YOKOGAWA UT150L (01) PDF MANUAL


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PDF Content Summary: s Checking Package Contents User’s Model UT150L Before using the product, check that its model & suffix codes are as you ordered. Manual Limit Controller Check the package contents against the list below. • Limit controller • Mounting bracket • User’s manual (IM 05C01E22-01E) IM 05C01E22-01E Apr. 2005 6th Edition 2. What is on the Front Panel ? Model and Suffix Codes Model Suffix code Description UT150L Limit Controller (1/16 DIN size) Please read through this user's manual to ensure correct usage of the controller and keep it handy for Control output –R N Relay output (time-proportional PID or on/off control) Always N quick reference. Option 1. Notice 2. What is on the Front Panel? 3. Installing the Controller 4. Panel Cutout Dimensions and External Dimensions 5. Wiring 6. Hardware Specifications 7. Key Operations (Parameter Settings) 8. Limit Control Function 9. Troubleshooting The following safety symbol is used both on the product and in this user’s manual. This symbol stands for “Handle with Care.” When displayed on the product, the operator should refer to the corresponding explanation given in the user’s manual in order to avoid injury or death of personnel and/or damage to the product. In the manual the symbol is accompanied by an expla- nation of the special care that is required to avoid shock or other dangers that may result in injury or loss of life. The following symbols are used in this manual only. NOTE Indicates that operating the hardware or software in a particular manner may lead to damage or result in system failure. IMPORTANT Draws attention to information that is essential for understanding the operation and/or features of the product. s Exemption from Responsibility Make sure that all of the precautions are strictly adhered to. Yokogawa Electric Corporation assumes no liability for any damage resulting from use of the instrument in contradiction to the precautions. Also, Yokogawa Electric Corporation assumes no liability to any party for any loss or damage, direct or indirect, caused by the use or any unpredictable defect of the instrument. CAUTION • To prevent electric shock, the source of power to the controller must be turned off when mounting the control- ler on to a panel. • Since the controller is not of explosion-proof type, do not use this controller in combustible or explosive gas atmospheres. NOTE To install the controller, select a location where: 1. No-one may accidentally touch the terminals; 6. There are no resulting magnetic disturbances; 2. Mechanical vibrations are minimal; 7. The terminal board (reference junction compen- 3. Corrosive gas is minimal; sation element, etc.) is protected from wind; 4. The temperature can be maintained at about 23°C with 8. There is no splashing of water; and minimal fluctuation; 9. There are no flammable materials. 5. There is no direct heat radiation; /AL /EX /RET /RS Alarm outputs (2 points) Digital input (1 point) PV retransmission output in 4 to 20mA Contents Communication function ........................................................... 1 ................................. 1 Revision Record ...................................... 1 IM 05C01E22-01E 1st Edition: Oct. ’00 2nd Edition: Feb. ’01 3rd Edition: Mar. ’01 4th Edition: Jun. ’04 5th Edition: Sep. ’04 6th Edition: Apr. ’05 .................................. ................................ .......... ..... 1 .......................................................... 2 ..................................... 2 ...................... 2 ....................................... 4 ............................................... 4 1 1 for UT150L 1 1. Notice 3. Installing the Controller Never place the controller directly on flammable items. If the controller has to be installed close to flammable items or equipment, be sure to enclose the controller in shielding panels positioned at least 150mm away from each side. These panels should be made of either 1.43mm thick metal-plated steel plates or 1.6mm thick uncoated steel plates. q Mount the controller at an angle within 30° from horizontal with the screen facing upward. Do not mount it facing downward. s Mounting the Controller 150mm 150mm 150mm 150mm a. PV display (red) Indicates PV (measured value) and character information such as parameter codes and error codes. b. SP display (green) Indicates SP (target setpoint) and parameter values. d. Alarm 1 (AL1) lamp (red) Lit when alarm 1 is activated. e. Alarm 2 (AL2) lamp (red) Lit when alarm 2 is activated. 30° (MAX) Panel 2. Push the bracket to the panel, and then secure the bracket 1. Affix the bracket over the back into position. end of the controller. a.c.e.b.UT150LBracket d.[ How to remove the bracket ] To move the bracket, push down the center of the upper and lower parts of the controller softly. f.h.The bracket is released from the latch. g. i. Name Function 1. General Mounting 2. Side-by-side Close Mounting (Splash-proof construction is unavailable) min. 70 0 7. inmN If Nis >the 5, then number measure of controllers. the actual length. 45+0.60 1 6. xamPanel thickness Unit: mm c. EXCEEDED lamp (green) Lit while PV is exceeding SP value. f. Output (OUT) display lamp • Lit when PV exceeds SP value. This lamp does not go out until “confirming operation” is done (see Page 4). Note: Output relay contact is off when OUT lamp lights. h. Data change (down) key • Pressing the key decreases the data value. Holding down the key will gradually increase the speed of change. [(N –1)×48+45] +0.60 5 26 .0+5 40g. Reset/Data change (up) key • Pressing the key for 1 second or longer in “operating display ➀ or ➁” puts out Output(OUT) display lamp. (This operation is the “confirming operation”.) • Pressing the key for 1 second or longer in “confirmation display” resets “exceeded status(PV exceeds SP value)”, “duration time” or max./min. PV value those UT150L observed before. • Pressing the key increases the data value. Holding down the key will gradually increase the speed of change. i. SET/ENT key (data registering key) (Indicated as simply the key hereafter.) 6 .0+540 25 • Registers the data value changed using the data change keys. • Switches between parameter setting displays sequentially. • Pressing the key for 3 seconds or longer in the operating display retrieves the operating parameter setting display. • Pressing the key for 3 seconds or longer in either an operating or setup parameter setting display transfers back to the operating display ➀. 8.44. xam8 .74. xam48 12 100 8 48 .44. xam1 to 10 1 IM05C01E22-01E 4. Panel Cutout Dimensions and External Dimensions 5. Wiring 6. Hardware Specifications CAUTION 1) Before you start wiring, turn off the power source and use a tester to check that the controller and cables are not receiving any power in order to prevent electric shock. 2) For safety, be sure to install a circuit breaker switch (of 5A and 100V AC or 220V AC, and that conforms to IEC60947) near the controller so as to be operated easily, and clearly indicate that the device is used to de- energize the controller. 3) Wiring should be carried out by personnel with appropriate electrical knowledge and experience. NOTE 1) Use a single-phase power source. If the source has a lot of noise, use an isolation transformer for the primary side and a line filter (we recommend TDK’s ZAC2205-00U product) for the secondary side. When this noise-prevention measure is taken, keep the primary and secondary power cables well apart. Since the controller has no fuse, be sure to install a circuit breaker switch (of 5A and 100V AC or 220V AC, and that conforms to IEC standards) and clearly indicate that the device is used to de-energize the controller. 2) For thermocouple input, use shielded compensating lead wires. For RTD input, use shielded wires which have low resistance and no resistance difference between the 3 wires. See the table given later for the specifications of the cables and terminals and the recommended products. 3) The control output relay cannot be replaced even though it has a limited service life (100,000 relay contacts for the resistance load). Thus, an auxiliary relay should be used so that the load can be turned on and off. 4) When using an inductive load (L) such as an auxiliary relay and solenoid valve, be sure to insert a CR filter (for AC) or diode (for DC) in parallel as a spark-rejecting surge suppressor to prevent malfunctions or damage to the relay. 5) When there is the possibility of being struck by external lightning surge, use the arrester to protect the instrument. NOTE Always fix a terminal cover bracket to the UT150L limit controller before wiring if an optional anti-electric- shock terminal cover (part number: L4000FB) is used. 7. Key Operations (Parameter Settings) • EN61000-3-3 EMC standards: and Complies EN55011 with (CE). EN61326, EN61000-3-2, The instrument continues to operate at a measuring accuracy of within ±20% of the range during tests. NOTE At power-on, the controller displays the operating display ➀, but if the input range setting remains OFF, then “IN” appears. In this case, press the key to display the input range code you want to use, then press the key to register it. Note: If you cannot change the parameter setting value, check the key- lock parameter (LOC) setting. • • • • However, Input: Input Input Measured Thermocouple: type: accuracy 1 point Universal; (at Value 23 ±2°C±1digit ±2°C can (PV) Input be selected by software ambient temperature) • ±4°C for thermocouple input –200 to –100°C • ±3°C for thermocouple input –100 to 0°C • ±5°C for type R and S (±9°C for 0 to 500°C) • • • • • • Sampling • RTD: Voltage ±9°C ±1°C±1digit for period (mV, type for V): B measured (accuracy ±0.3%±1digit value is not input: guaranteed Burnout detection: Functions for thermocouple (burnout upscale only; cannot be switched Input resistance: 1MΩ or greater for thermocouple Approx. 1MΩ for DC V input Maximum allowable signal source resistance : 250Ω for for 0 to 400°C) 500ms or RTD input off) or DC mV input. thermocouple or DC mV input • • • 2kΩ for DC V input Maximum allowable wiring resistance for RTD input: 10Ω/wire (The resistance values of three wires must be the same.) Allowable input voltage: ±10V DC for thermocouple or DC mV input ±20V DC for DC V input Noise rejection ratio: Normal mode noise: Min. 40dB (50/60Hz) Common mode noise: Min. 120dB • (Min. Error of 90dB reference for DC junction V input) compensation: ±1.5°C ±2.0°C (at (at 15-35°C) 0-50°C) • The detector Applicable reference JIS/IEC/DIN standards: junction (ITS90) Thermocouple compensation cannot and resistance be switched temperature off. • • Relay Output: Output contact 1 type: point output Contact capacity: 3A at 240V AC or 3A at 30V DC (with resistance load) Note: The control output relay cannot be replaced by users. Alarm Functions Power Supply and Isolation s Power Supply Power supply Voltage Frequency Rated at 100-240VAC (±10%) 50 or 60Hz Maximum power consumption 8VA max. (4W max.) Memory Non-volatile memory Withstanding voltage Between primary terminals and secondary terminals (See note 1.) 1500V AC for 1 minute Insulation resistance Between primary terminals and secondary terminals 20MΩ or more at 500V DC (See note 1.) Note 1: The primary terminals are the power supply terminals and relay output terminals. The secondary terminals are the analog input and output terminals, the voltage pulse output terminals, and the contact input terminals. s Isolation The bold lines below indicate reinforced isolation, and the broken line indicates functional isolation. • (100-240V Power supply AC) terminals • (relay Control contacts) output terminals • (2 Alarm relay output contacts) terminals Note: Neither the measured value input terminals nor input terminals for the /EX option are isolated from the internal circuit. Measurement category 1CAT.1 2CAT.2 3CAT.3 4CAT.4 • • • Measured value input 2 input terminal for Internal circuit terminals /EX Control Output • • Control RS-485 output terminals terminals: for Voltage /RS pulse q Cable Specifications and Recommended Products Power supply and relay contact output 600V vinyl insulated wire/cable, JIS C3307, 0.9 to 2.0mm2 Thermocouple input Shielded compensating lead wire, JIS C1610 sAlarm • PV Alarm high limit, types: Functions PV 22 low types limit, (Option Deviation (waiting Code high action /AL limit, or can Deviation /HBA) be set low by limit, software): De- energized on deviation high limit, De-energized on deviation low limit, Deviation high and low limits, Deviation within high and low limits, De-energized on PV RTD input Shielded wire (3-wire), UL2482 (Hitachi cable) Other signals Shielded wire • high Relay Alarm limit, contact output: De-energized capacity: 2 relay 1A on PV at contacts 240V low limit, AC or Fault 1A at diagnosis 30V DC output, (with resistance FAIL output load) Note: The alarm output relays cannot be replaced by users. q Recommended Terminals Use M3.5 screw-compatible crimp-on terminals with an insulating sleeve, as shown below. The retransmission output is provided only when the /RET option is specified. • • • Output Maximum Output accuracy: signal: load Measured resistance: ±0.3% of value span 600Ω in (at 4-20mA 23±2°C DC ambient temperature) Contact Inputs The • • • • • contact inputs are provided only when the /EX option is specified. Function: Resetting “exceeded status” Input: 1 point Input type: Non-voltage contact or transistor contact input Contact capacity: At least 12V/10mA On/off judgment: On state for 1kΩ or less; off state for 20kΩ or greater • For Construction: Construction, side-by-side Dust-proof close Mounting, installation and drip-proof the and front controller panel Wiring conforming loses its dust- to IP65. • • • • proof and drip-proof protection. Casing: ABS resin and polycarbonate Case color: Black Mounting: Flush panel mounting Terminals: Screw terminals ø 3.7mm ø 3.7mm Retransmission Output • No.61010-1, Safety: Complies approved with IEC/EN61010-1 by UL508. (CE), approved by C22.2 Certified by FM-3810 and FM-3545. Installation category : CAT. II Pollution degree : 2 (IEC/EN61010-1, C22.2 No.61010-1) Measurement category : I (CAT. I : IEC/EN61010-1) Rated measurement input voltage : 10V DC max.(across terminals), 300V AC max.(across ground) Rated transient overvoltage : 1500V (Note) Note : It is a value on the safety standard which is assumed by IEC/EN61010-1 in Measurement category I, and is not the value which guarantees an apparatus performance. Caution: This equipment has Measurement category I, therefore do not use the equipment for measurements within Measurement categories II, III and IV. Environmental Conditions sNormal • • • • • • • • • • • sMaximum incline Warm-up Ambient Rate Ambient Magnetic Continuous Continuous Short-period Shock: Mounting Altitude: of is 98m/schange temperature:0-50°C not humidity: 2000m angle: field: time: Operating vibrations vibrations allowed. vibrations: Effects 2 (10G) of At 400A/m Upward or temperature: least 20-90% less for of of from Conditions above 30 14.7m/sincline or 11 5 14 to minutes less RH (0-40°C milliseconds to Operating 14Hz: sea 150Hz: 10°C/h of (no 2 (1.5G) up level condensation when Amplitude to mounted side-by-side) or less allowed) of 1.2mm or less 4.9m/s2 (0.5G) or less for 15 seconds or less or less 30 degrees; downward s UT150L Terminal Arrangement Communication Function (1) • Conditions • • (2) • • sTransportation • • • Temperature effects The communication function is provided only when the /RS option is specified. (For details, read the user’s manual of the communication functions IM 05C01E22-10E.) sCommunication • • Personal UT communication Ladder link module computer communication: of the link: module FA-M3 Used Protocol for of Used controller the communication for FA-M3, (from communication Yokogawa or with a programmable a personal Electric with computer, Corporation). a ladder or • controller the MODBUS MODBUS communication: of protocol. other manufacturers. Used for communication with equipment featuring Thermocouple, DC mV and DC V input: ±2μV/°C or ±0.02% of F.S./°C, Retransmission Output Alarm Outputs Measured Value (PV) Input whichever is the larger Resistance temperature detector: ±0.05°C/°C 11Analog output: ±0.05% of F.S./°C 12713 Effect from fluctuation of power supply voltage (within rated voltage range) Analog input: ±0.2μV/V or ±0.002% of F.S./V, whichever is the larger Analog output: ±0.05% of F.S./V When “/RET” When “/AL” is specified 8 is specified and Storage Conditions Temperature: –25 to 70°C Humidity: 5 to 95% RH (no condensation allowed) sCommunication • • • • • synchronization, Applicable Number Maximum Communication Baud rate: of 2400, communication controllers standards: method: non-procedural 4800, Interface Complies that Two-wire or 9600 can distance: be bps half-duplex, with connected: 1,200m EIA RS-485 start-stop Up to 31 1415 Universal input-selectable input type 1+ALM2 TC Input RTD Input DC mV or V Input ALM1 2 – COM NORSB(+) COM RSA(–) SG When “/RS” is specified (Note) BbA External Contact Inputs 45 +67+7– 8 8 – 11162127313841495 15 10 Power Supply 9 L10 N 100-240V AC Internal Wiring Entrance Cable 4 3 1 T 2 (Note) : /RS and /EX cannot be specitied Control Output Safety and EMC Standards at the same time. Relay Contact Output RS-485 345 Description For measurements performed on circuits not directly connected to MAINS. For measurements performed on circuits directly connected to the low voltage installation. For measurements performed in the building installation. For measurements performed at the source of the low-voltage installation. Remarks RESET COM Appliances, When “/EX” is specified portable equipments, (Note) etc. Distribution board, circuit breaker, etc. Overhead wire, cable systems, etc. q UT150L Measured Input Range Codes List Input type Range (°C) Range code (°C) Range (°F) Range code (°F) Unspecified OFF–270 to 1370°C 1 –300 to 2500°F 31(1) You can move between parameter setting displays using the key. (2) To change the set value, ( i ) Change the display value with the or key (the period flashes). (ii) Press the key to register the setting. K 0.0 to 600.0°C 2 32.0 to 999.9°F 320.0 to 400.0°C 3 32.0 to 750.0°F 33–199.9 to 200.0°C 4 –300 to 400°F 34elpuocomrehTJTE R S B –199.9 to 999.9°C 5 –300 to 2100°F 35–199.9 to 400.0°C 6 –300 to 750°F 36–199.9 to 999.9°C 7 –300 to 1800°F 370 to 1700°C 8 32 to 3100°F 380 to 1700°C 9 32 to 3100°F 390 to 1800°C 10 32 to 3200°F 40N –200 to 1300°C 11 –300 to 2400°F 41L –199.9 to 900.0°C 12 –300 to 1600°F 42(3) At the operating display ➀ or ➁, pressing the key for at least 3 seconds retrieves the operating parameter setting display. U –199.9 to 400.0°C 13 –300 to 750°F 43Platinel 2 0 to 1390°C 14 32 to 2500°F 44(4) At the operating parameter setting display, pressing the key for at least 3 seconds transfers back to the oper- ating display ➀. Registering the key-lock parameter LOC to “–1” retrieves the setup parameter setting display. –199.9 to 850.0°C 15 –199.9 to 999.9°F 45DTRPt100 0.0 to 400.0°C –199.9 to 200.0°C –19.9 to 99.9°C 16 32.0 to 750.0°F 4617 –300 to 400°F 4718 —(5) At the setup parameter setting display, pressing the key for at least 3 seconds transfers back to the operating display ➀. e gatlovC D0 0 to 0 1 JPt100 to to to 100mV 10V 5V 5V –199.9 to 500.0°C 19 –199.9 to 999.9°F 48 20 21 22 23 CAUTION To prevent electric shock, the controller should be mounted on the panel so that you do not accidentally touch the terminals when power is being applied. NOTE The controller is shipped with the parameters set at the factory-set defaults. Check the default values against the “Parameter List” in the following page, and change the parameter settings that need to be changed. The following section (on Page 3) explains how to set and register parameter values. When “In” appears, press the The procedure for changing SP (target setpoint) can be found on “Changing Setpoint (SP)”. You can set the other key to display the input range code parameters in the same way. you want to use, then press the There are no setup displays for parameters specific to functions, such as the optional alarm output functions, if they key to register it. After this were not selected at ordering. operation, the controller shows the The setting of some parameters (such as the Alarm 1 type parameter AL1) determines whether the other parameters operating display ➀. (Alarm 1 setpoint: A1) are displayed or not. The flowchart will help you understand how this works. For example, to select thermocouple type E (°F), set the range code to 37. 0.0 to 100.0 User-scalable No range NOTE 2 IM05C01E22-01E s A Power ON Changing Setpoint (SP) Step 1: Confirm that the controller shows the operating display ➀ or ➁ during normal operation. Step 2: To enter the operating parameter setting display, press the key for at least 3 seconds. The display for the setpoint (SP) appears. Press for at least 3 seconds. Step 3: Press the or key to change the current SP value to the required value. In this example, SP is changed to 200°C. The period flashes while the value is being changed. Step 4: Press the key once to register the setting. SP is now changed. Another press of the key calls up the Alarm-1 setpoint display. To return to the operating display ➀, press the key for at least 3 seconds. Operating parameter setting display NOTE When measured input range code has been already set, the operating display 1 shown below appears. No is displayed Yes *Operating displays 1 and 2 are changeable. ? (by setting the parameter “OP.SL”) Press the key Operating display 1 * to move between items. Measured input value (PV) Target setpoint (SP) Operating display 2 *Blank (no PV display) Press the key Target setpoint (SP) to do “Confirming operation” A (time) Press the key Duration time to reset the valve (Duration time /Max. or Min. PV value) (high) or (low) Maximum or minimum PV value NOTE Changing certain setup parameters may automatically initialize the operating parameters. Therefore, after you change the setup parameters, always check the operating parameter settings to find out if appropriate values have been set for them. If the operating parameters have been initialized, set them to their appropriate values.Press the key to move between items. NOTE Set -1 to enter the setup parameter setting display. But if LOC=1 or 2 is already set, the parameter value can not be changed by setting LOC=-1 only. To change the parameter value, set LOC=0 at first (for disabling keylock), then set LOC=-1 once again. Displayed When “In” appears, press the key to display the measured input SP value cannot be changed at operating display 1 , 2 range code you want to use, then press the key to register it. Note:If no key is pressed for a After this operation, the controller period of two minutes or more while in the operating or setup shows the operating display 1 . parameter setting display, the controller automatically returns to the operating display 1 . Confirmation display 1 Press the (Note) key for at least 3 seconds. (To operating display 1 ) Confirmation display 2 Setup parameter setting display Press the key for at least 3 seconds. Press the (Note) key for IN at least 3 seconds. (To operating display 1 ) Press the key DPto move between items. RHRL The period goes out. SPH SPL Displayed when DC voltage s Parameter Lists Numbers in ( ) are the parmeter setpoints that apply when the communication function is used. Ex. OFF(0), ON(1) SP AL1 input range code is set AL2 for the /AL option HY1 • Displayed only for the /AL option. HY2 • Not displayed when AL1, AL2 = OFF • Not displayed when AL1, AL2 = 21 or 22 HYS DIS Displayed only for the /EX option0: No key lock 1: Prevents operations from being changed except for the changing of SP 2: Prevents all parameter changing operations Displayed for the /RS option –1: Set -1 to enter the setup parameter setting display. But if LOC=1 or 2 is already set, the parameter value can not be changed by setting LOC=-1 only. To change the parameter value, set LOC=0 at first (for disabling keylock), then set LOC=-1 once again. s Alarm Function List Note: The alarms numbered 1 to 10 have no waiting action, while alarms 11 to 20 have a waiting action. The waiting action turns off the PV and deviation alarms that occur from the start of the control operation until a stable state is reached. (1) Operating Parameters: Parameters changed rather frequently during operation. SP value can be changed as this “SP” setting display. SP LOC= Code Name Setting range and unit Default User setting Setpoint for limit alarm Minimum value (SPL) to maximum vlalue (SPH). Unit: °C/°F A1A2 A1 Alarm 1 setpoint s PV alarm Unit: °C/°F Setting range: minimum value to maximum value of measured input range (scale) Max. value of measured input range (scale) (PV alarm) s Deviation alarm Unit: °C/°F A2 Setting range: –100 to 100% of the measured input range (scale) span FLBS LOC HI.LO Alarm 2 setpoint OP.SL Min. value of measured input range (sacle) (PV alarm) R.MD PSL ADR BPS PRI STP DLN Relay hysteresis for control output 0.5% of measured input range (scale) span FL PV input filter OFF(0), 1 to 120 seconds OFF(0) 0% of measured BS PV input bias –100 to 100% of measured input range (scale) span input range (scale) span LOC 0°C/°F to the temperature that corresponds to 100% of the HYS measured input range (scale) span When LOC=–1, transfers to the setup parameter setting display Key lock 0 When –1 (2) Setup Parameters: Parameters rarely changed in normal use after once having been set. Code Name Setting range and unit Default User setting 1 to 23, and 31 to 48 (See input range code list on Page 2.) OFF(0): No input (If no input type is specified at the time of ordering, you must set the input type.) Restart mode 0: Limit output is ON at power on in any cases. 1: Limit output is OFF at power ON when PV doesn't exceed SP. OFF(0), or the input range code specified with order DP Measured IN input type (Displayed at voltage input) (Displayed at voltage input) (Displayed at voltage input) R.MD Decimal point 0: position of measured input No decimal place (nnnn) 1: One decimal place (nnn.n) 2: Two decimal places (nn.nn) 3: Three decimal places (n.nnn) 1 RH Maximum value of measured input range (scale) (RL + 1) to 9999 Unit: % 100.0 Action “Opn” opened the temperature lamp and and is Alarm “Cls” on closed; control and indicate off; “(on)” setpoints. and that and white the “(off)” triangles relay indicate contact indicate that is type code Closed contact Open contact during alarm during alarm Action “Opn” opened the temperature lamp and and is Alarm “Cls” on closed; control and indicate off; “(on)” setpoints. and that and white the “(off)” triangles relay indicate contact indicate that is type code Closed contact Open contact during alarm during alarm RL Alarm type Alarm type Minimum of range measured (scale) value input –1999 Unit: % to (RH –1) 0.0 SPH Maximum value of No alarm Hysteresis OFF Hysteresis 6measured input range (scale) SPL Maximum value of setpoint range (SPL+1°C) to the maximum range (scale); Unit: °C/°F value of the measured input 111 Measured value Alarm setting (See note.) De-energized on deviation low limit 16 (See note.) Temperature setpoint Deviation high and low limits Measured value Minimum value of high PV limit Opn (off) Opn (on) Cls (off) Minimum value of setpoint range Minimum value of measured input range (scale) to (SPH –1°C) Unit: °C/°F measured input range (scale) Hysteresis Hysteresis AL1 Alarm 1 type OFF(0) or a value from 1 to 22 (see the table of alarm function list) Hysteresis Hysteresis Opn (off) Cls (on) Hysteresis Alarm setting Measured value Deviation setting Measured value 1(PV high limit alarm) 27low PV limit Cls (on) Opn (off) 12 (See note.) Cls Opn Cls (on) (off) (on) Deviation setting Measured value (See 17 note.) AL2 Alarm 2 type OFF(0) or a value from 1 to 22 (see the table of alarm function list) Alarm 1 2(PV low limit alarm) Hysteresis Temperature setpoint HY1 hysteresis 0 to 100% of measured input range (scale) span 8Unit: °C/°F 18 (See note.) DIS 0.5% of measured 3Deviation Cls (on) input range (scale) span Cls (on) within high HY2 13 and low Measured value (See note.) limits Deviation setting Temperature setpoint Temperature setpoint Alarm 2 Deviation Opn (off) Opn (off) hysteresis high limit Deviation setting HI.LO Limit control type HI(0): High limit LO(1): Low limit HI(0) Hysteresis9Cls (on) Opn (off) OP.SL 19 Measured value (See note.) Temperature setpoint 4Hysteresis Operating display ➀ Deviation low limit 14 De-energized on PV Cls (off) Opn (on) (See note.) high limit Measured value Alarm setting selection Hysteresis Opn (on) Cls (off) Measured value Temperature setpoint Alarm setting Measured value 0: PV and SP 1: Only SP (No PV display) 0 Deviation setting 0 The way of 10confirming operation 20 (See note.) ADR KEY(0): De-energized Hysteresis5De-energized By key operation DI(1): By digital input KEY(0) on deviation Cls (off) high limit Opn (on) Deviation setting 15 (See note.) on PV low limit The output contact is opened in the following events: The contact is closed at input burnout. 21 • Program error • ROM error • RAM error • power failure Abnormal Alarm output = ON 0: PC-link communication Protocol selection 1: PC-link communication with sum check 2: Ladder communication 3: MODBUS in ASCII mode 4: MODBUS in RTU mode 0 PSL Fault 1 to 99 However, the number of controllers that can be connected diagnosis per host device is 31 at the maximum. output FAIL output • A/D converter error • RJC error 22 • EEPROM error BPS Waiting action °C Taken normal. as Normal Low limit alarm PRI Controller address Baud rate 2.4(0): 2400 bps 4.8(1): 4800 bps 9.6(2): 9600 bps Parity NON(0): Disabled EVN(1): Even parity ODD(2): Odd parity 1 9.6(2) setpoint In this area, the alarm output is turned off even when a measured value falls below the low limit alarm setpoint. Power-on Time EVN(1) STP Stop bit 1 or 2 bits 1 bit DLN Data length 7 or 8 bits • 8 bits when ladder, MODBUS (RTU) 8 bits • 7 bits when MODBUS (ASCII) 3 IM05C01E22-01E s Description of Parameters This section describes the parameter functions specific to the UT150L limit controller. (The functions described in other sections of this manual and the general functions are not discussed.) Parameter Function Relay hysteresis for control output HYS PV input bias BS For control, you can set a hysteresis around the on/off point (SP) to prevent chattering. PV input filter FL On/off point (SP) ON OFF Hysteresis This function should be used when the PV display value may fluctuate greatly, for example, when the measured input signal contains noise. The filter is of the first-order lag type, and FL sets the time constant. If a larger time constant is set, the filter can remove more noise. Input 2-seconds filter 10-seconds filter This function adds a bias value to the measured input value, and the result is used for display and control computation. PV value inside the controller =measured input value + PV input bias This function is useful for carrying out fine adjustment when the PV value is within the required accuracy but it differs from the value obtained by other equipment. Decimal point position For DC voltage input, the input signal can be scaled for the particular engineering unit. For example, if you set the of measured input input type (IN) at range code 22, the initial range is 0.0 to 100.0. a. Using DP, set the decimal point position fit for the engineering unit you want to use. (In the example below, the 2 DP digits to the right of the decimal point) b. Next, register the scale values of the measured input scale using RH and RL. (In the example below, RH=10.00 Maximum/minimum and RL=0.00) value of measured input range (scale) 0.0 (1V) Initial scale 100.0 (5V) RH, RLMeasured input scale 0.00 (RL) (after being scaled) 10.00 (RH) Register the decimal point position using DP. Maximum/minimum Using the SPH and SPL parameters, you can limit the setting range of the target setpoint (SP) within the measured value of target setpoint input range (scale). range This function prevents SP from being mistakenly set at too large or too small a value (beyond the setting range). SPH, SPL 8. Limit Control Function s Limit Control When a measured value (PV) exceeds a setpoint (SP), “EXCEEDED” lamp lights, and “OUT” lamp turns ON (A). The limit output relay is de-ener- gized then. “EXCEEDED” lamp turns off when PV goes into normal condition, while the output (OUT) display lamp stays on as it is (B). The output (OUT) display lamp turns off when a confirming operation is done by an operator (C). The way to con- firm is pressing the “ ” key (or by an external contact, according to the setting of setup parameter DIS). The confirming operation is not accepted during PV exceeds SP (D) (during EXCEEDED lamp lights*). State of output relay is de-energized whenever “OUT” lamp is on. * Check the “HYS” value if the EXCEEDED lamp is not turn off when PV is lower than SP. NOTE The confirming operation cannot be done by communication (RS-485). s Confirming Operation Do the confirming operation when you start limit con- trol. This operation must be necessary every time when the controller is powered on. By the confirming opera- tion, state of output relay is energized and the output (OUT) display lamp turns off, if the PV does not exceed SP.s Power On Status The state of output relay at power -on can be set by a setup parameter restart mode "R.MD". (1) When "R.MD" is set to 0. The output relay is always de-energized (opened) at power-on, even if PV does not exceed SP (A). The output (OUT) display lamp is lit. After the confirming operation, state of output relay is energized (closed) and the output (OUT) display lamp turns off if the PV does not exceed SP (B). (A) (B) (C) (A) (D) (B) SP HYSPV EXCEEDED litLampoff OUT litLamp off Output onrelay off Operation confirmation confirmation (accepted) (not accepted) Step 1: Confirm that the controller shows the operating display ➀ and the output (OUT) display lamp lights. Step 2: Press the key for at least 1 second to turn off the output (OUT) display lamp. The confirming operation is now finished. Note 1: The output (OUT) display lamp does not turn off during the EXCEEDED lamp lights. Note 2: Check the “HYS” value if the EXCEEDED lamp is not turn off when PV is lower than SP. (A) (B) SP HYSPV EXCEEDED litLampoff OUT litLamp off Output onrelay off Operation Power-on confirmation (accepted) confirmation (accepted) Fig.1 Power-on status of high limit control when R.MD = 0 4 IM05C01E22-01E s Duration Time (Refer to the confirmation display ➀ in the flowchart on page 3) The time while PV exceeds SP is counted and stored in the memory. It is displayed in the “TIME” in the confirma- tion display ➀. Display time range: 00.00 to 99.59 q How to RESET • Push the “ ” key for about one second to reset the duration time in the confirmation display ➀ where “TIME” is displayed. When the count is reset, “0.00” is displayed until PV exceeds SP again. • The time count is reset when power is turned on. • If PV exceeds SP while the old time count data is retained in the memory, the old data should be automatically reset, and the new time counting starts from “0.0”. • It is impossible to reset the time count while PV exceeds SP by any operation. • Duration time cannot be reset by an external contact or communication (RS-485). s Maximum/Minimum Value The maximum value or minimum value of PV is stored in the memory and displayed in the “HI” or “LO” display in the confirmation display ➁. When the control type is specified as high limit control, the maximum value is displayed in the “HI” display, and the control type is specified as low limit control, the minimum value is displayed in the “LO” display. When the PV exceeds SP and then return to the normal status, Maximum/Minimum value is retained as it is, but when PV exceeds SP again, it is automatically reset and start taking new value for its maximum/minimum value. q How to RESET • Push the “ ” key for about one second to reset the maximum/minimum value in the confirmation display ➁ where “HI” or “LO” is displayed. The value is reset, and the value immediately after the confirmation should be recognized as a maximum or minimum value. • When the power is turned-on, the memory should be reset and the first PV should be recognized as maximum. • Maximum/minimum value cannot be reset by an external contact or communication (RS-485). • It is impossible to reset the maximum/minimum value while PV exceeds SP by any operation. 9. Troubleshooting In the event of an abnormality, perform the following checks as outlined by the flowchart. Is the controller defective? Yes Completely inactive? No Yes Yes Check the model and suffix codes Check the power supply voltageNormal? No No Yes No Contact us for repair Problem solved No No No No (2) When "R.MD" is set to 1. The state of output relay is ener- gized (closed) and the output (OUT) display lamp turns off if the PV does not excced SP at power- on. Key operation failure? Display failure? I/O signal failure? Communication failure? Yes Yes Yes Check the terminal connection Check key-lock Turn the power off, Verify the I/O spec. of the power supply setting then on of controller Verify the spec. of I/O destinations function Communication included? No communication capability Check the communication- related parameters Is locked? the key Correct it Check the communication wiring Normal? Verify the spec. of Yes Yes Cancel the setting communicating partner s Error Display during Operation (1) If the controller displays one of the following, carry out the appropriate remedy for the particular error. Display (2) The controller needs to be repaired if any of the indications in the table below appear. In these cases, do not try to repair the controller yourself. Order a new controller or contact us for repair. Display Unknown (at power-on) All extinguished (at power-on) “Err” (at power-on) Error content Remedy P.Er Flashing period on PV display The parameter is abnormal Check the settings of all the parameters and set them at their proper values. B.o Input burnout Check the sensor wiring and correct it. OOO PV over-scale Check the input type and range settings and (PV exceeds its effective range.) correct them. PV under-scale UUU (PV falls below its effective range.) Communication failure Press any key to stop the flashing. (for /RS option only) Error content CPU failure Power source failure Calibration abnormal Display Flashing “Err” (at power-on) Flashing “Err” (during operation) Error content RAM or ROM failure A/D converter failure, RJC failure, or EEPROM failure s When Power Failure Occurred during Operation q Momentary power failures of less than 20ms have no effect on the controller operation (i.e., normal operation continues). q For power failures longer than 20ms, however the status will be as follows. (The controller action at power recovery is the same as at power-on.) • Alarm action: Continues (but alarms with a waiting action enter the waiting state once) • Setting parameters: Maintained (A) SP HYSPV EXCEEDED litLampoff OUT litLamp off Output onrelay off Operation Power-on confirmation (accepted) Fig.2 Power-on status of high limit control when R.MD = 1


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