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What are the critical design precautions (DANGER) for the MITSUBISHI ELECTRIC GT2103-PMBD?
When designing a system with the MITSUBISHI ELECTRIC GT2103-PMBD, observe the following critical precautions to prevent hazardous conditions, death, or severe injury:
• Some failures of the GOT or cable may keep the outputs on or off. An external monitoring circuit should be provided to check for output signals which may lead to a serious accident. Not doing so can cause an accident due to false output or malfunction.
• Do not use the GOT as the warning device that may cause a serious accident. An independent and redundant hardware or mechanical interlock is required to configure the device that displays and outputs serious warning.
• When the GOT detects its backlight failure, the GOT disables the input operation on the touch switch(s). The GOT backlight failure can be checked with a system signal of the GOT.
• Even when the display section has dimmed due to a failure, the input operation of the touch switches may still be enabled. This may cause an incorrect operation. For example, if an operator assumes the dimming is due to the screen save function and touches the display, a touch switch may be activated. The GOT backlight failure can be checked with a system signal of the GOT.
• The display section is an analog-resistive type touch panel. Simultaneous pressing of two or more areas may activate the switch between those areas. Do not press two or more areas simultaneously.
• When programs or parameters of the controller (such as a PLC) monitored by the GOT are changed, be sure to shut off the power of the GOT promptly and power on the GOT again. Not doing so can cause an accident due to false output or malfunction.
• If a communication fault occurs during monitoring, communication between the GOT and PLC CPU is suspended. The system should be configured to perform any significant operation using switches other than the GOT, assuming a communication fault will occur.
What are the general design and mounting precautions (CAUTION) for the MITSUBISHI ELECTRIC GT2103-PMBD?
Design Precautions:
• Do not bundle the control and communication cables with main-circuit, power or other wiring. Run these cables separately and keep them a minimum of 100 mm apart to prevent malfunction due to noise.
• Do not press the GOT display section with a pointed material like a pen or driver, as this can result in damage or failure.
• When the GOT is connected to the Ethernet network, be aware of IP address restrictions. For multiple GOTs, do not set the IP address (192.168.3.18) for the GOTs and controllers. For a single GOT, do not set this IP address for controllers except the GOT to avoid duplication.
• Turn on controllers and network devices to be ready for communication before they communicate with the GOT to avoid a communication error.
• When the GOT is subject to shock or vibration, or some colors appear on the screen, the screen might flicker.
Mounting Precautions:
• Before mounting or removing the GOT, be sure to shut off all phases of the external power supply used by the system to prevent failure or malfunction.
• Use the GOT in an environment that satisfies the general specifications in the manual. Not doing so can cause electric shock, fire, malfunction, or product damage.
• When mounting the GOT to the control panel, tighten the mounting screws to the specified torque range (0.20 N·m to 0.25 N·m). Undertightening or overtightening can cause the GOT to drop, short circuit, or malfunction.
• Remove the protective film of the GOT after installation.
• Operate and store the GOT in environments without direct sunlight, high temperature, dust, humidity, and vibrations.
• Do not use the GOT in an environment with oil or chemicals.
What are the wiring and maintenance precautions for the MITSUBISHI ELECTRIC GT2103-PMBD?
Wiring Precautions (DANGER/CAUTION):
• Be sure to shut off all phases of the external power supply used by the system before wiring to prevent electric shock, product damage, or malfunctions.
• Ground the FG terminal of the GOT power supply section by applying 100Ω or less, used exclusively for the GOT, to prevent electric shock or malfunction.
• Correctly wire the GOT power supply section after confirming the rated voltage and terminal arrangement to prevent fire or failure.
• Tighten the terminal screws of the power supply section in the specified torque range (0.22 N·m to 0.25 N·m) to prevent short circuits or malfunctions.
• Avoid foreign matter like chips and wire offcuts entering the GOT to prevent fire, failure, or malfunction.
• Plug the communication cable into the interface securely and tighten screws in the specified torque range to prevent short circuits or malfunctions.
Startup/Maintenance Precautions (DANGER/CAUTION):
• When power is on, do not touch the terminals to avoid electric shock.
• Before cleaning or retightening terminal screws, always switch off the power externally in all phases.
• Do not disassemble or modify the unit, as this can cause failure, malfunction, injury, or fire.
• Do not touch the conductive and electronic parts of the unit directly.
• Cables connected to the unit must be run in ducts or clamped to prevent damage or connection faults.
• When unplugging a cable, do not pull from the cable portion. Hold the connector instead.
• Before touching the unit, always touch grounded metals to discharge static electricity from your body.
What are the specifications for the MITSUBISHI ELECTRIC GT2103-PMBD?
General Specifications
| Item | Specifications |
|---|---|
| Operating Ambient Temperature | 0 to 55°C (When mounted horizontally), 0 to 50°C (When mounted vertically) |
| Storage Ambient Temperature | -20 to 60°C |
| Operating Ambient Humidity | 10 to 90% RH, non-condensing |
| Vibration Resistance | Conforms to JIS B3502 and IEC61131-2 |
| Shock Resistance | Compliant with JIS B3502 and IEC61131-2 147m/s² (15G) Three times in each X, Y, or Z direction |
| Operating Atmosphere | No greasy fumes, corrosive gas, flammable gas, excessive conductive dust, and direct sunlight |
| Operating Altitude | 2000m (6562 ft.) max. |
| Installation Location | Inside control panel |
| Overvoltage Category | II or less |
| Pollution Degree | 2 or less |
| Grounding | Grounding with a ground resistance of 100Ω or less. If impossible, perform grounding to the control panel. |
Performance Specifications
| Item | GT2103-PMBD Specifications |
|---|---|
| Display Device | TFT monochrome display |
| Screen Size | 3.8″ |
| Resolution | 320 x 128 dots |
| Display Color | Monochrome (black and white) 32 scales |
| Backlight Type | 5 colors LED (white, green, pink, orange, red) (Not replaceable) |
| Backlight Life | Approx. 50000 h (operating ambient temperature: 25°C, display intensity: 50%) |
| Touch Panel Type | Analog resistive film |
| User Memory Capacity | Memory for storage (ROM): 3 MB |
| Life (Number of Write Times) | 100,000 times |
| RS-232 (Rear Face) | Not available on this model |
| RS-232 (Side Face) | Not available on this model |
| RS-422/485 | 1 channel Transmission speed: 115200/57600/38400/19200/9600/4800 bps. Connector shape: terminal block 5-pin. |
| Ethernet | 1 channel Data transfer method: 10BASE-T/100BASE-TX. Connector shape: RJ-45. |
| USB (Device) | 1 ch |
| Buzzer Output | Single tone (tone length adjustable) |
| Environmental Protective Structure | Outside enclosure: IP67F, Inside enclosure: IP2X |
| External Dimensions (W x H x D) | 113 x 74 x 32 mm (4.45 x 2.92 x 1.26) (inch) |
| Weight | 0.2 kg |
Power Supply Specifications
| Item | Specifications |
|---|---|
| Input Power Supply Voltage | 24 VDC (+10%, -15%) |
| Power Consumption (Under Maximum Load) | 2.6 W or less |
| Power Consumption (Backlight Off) | 2.0 W |
| Inrush Current | 30 A or less (1ms, 25°C, at the maximum load) |
| Permissible Instantaneous Power Failure Time | Within 5ms |
| Noise Immunity | Noise voltage: 1000 Vp-p, Noise width: 1 µs (by noise simulator of 30 to 100 Hz noise frequency) |
| Dielectric Withstand Voltage | 500 VAC for 1 minute (between the GOT’s power supply terminals and the GOT’s grounding terminal) |
| Insulation Resistance | 10 MΩ or larger by insulation resistance tester (between the GOT’s power supply terminals and the GOT’s grounding terminal) |
| Electrical Wire Size | Solid wire: 0.14 to 1.5 mm², Stranded wire: 0.14 to 1.0 mm² |
| Tightening torque (terminal screws) | 0.22 to 0.25 N·m |
What are the hardware features of the MITSUBISHI ELECTRIC GT2103-PMBD?
| No. | Name | Description |
|---|---|---|
| (1) | Display section | Displays the utility screen and the user-created screen. |
| (2) | Touch panel | For operating the touch switches in the utility and the user-created screen. |
| (3) | Ethernet interface | For communicating with a controller or connecting a personal computer (Connector shape: RJ-45). |
| (6) | RS-422/485 interface | For communicating with a controller (5-pin connector terminal block). |
| (8) | Power supply terminal | Power supply input terminal, FG terminal. |
| (9) | USB interface (Device) | For transferring data and storing data (Connector shape: Mini-B). |
| (10) | Terminating resistor setting switch | Switches the terminating resistor for the RS-422/485 communication port among 330Ω, OPEN, and 110Ω. |
| (11) | Installation fitting | For fixing the GOT to the control panel. |
| (12) | SD card interface | For SD card installed. |
| (13) | SD card access LED | ON: SD card accessed; OFF: SD card not installed or removal possible. |
| (14) | Battery | Space for housing the battery. |
| (15) | SD card unit connector (inside the cover) | For mounting the SD card unit. |
How do I install the MITSUBISHI ELECTRIC GT2103-PMBD into a control panel?
Follow these steps to install the MITSUBISHI ELECTRIC GT2103-PMBD:
1. Prepare the Panel:
• Cut an installation hole in the control panel with the following dimensions: 105 mm (4.14 in) width (+1 mm, -0 mm) and 66 mm (2.60 in) height (+1 mm, -0 mm).
• Ensure the panel thickness is between 1 mm (0.04 in) and 4 mm (0.16 in).
• Use a panel that has no warpage, damage, or unevenness on its surface to ensure a waterproof effect.
2. Install Packing:
• Install the supplied packing into the packing installation groove on the rear face of the GOT.
3. Mount the GOT:
• Insert the rear face of the GOT into the panel opening.
4. Secure with Fittings:
• Insert the hook of an installation fitting (4 supplied) into the mounting hole on the GOT housing.
• Slide the installation fitting toward the rear face of the GOT, then slide it to the left to fix it in place.
• Tighten the mounting screw on each fitting within the specified torque range of 0.20 N·m to 0.25 N·m. Use 4 fittings, two at the top and two at the bottom of the GOT.
CAUTION: Tighten mounting screws within the specified torque range. Undertightening can cause the GOT to drop or lose its waterproof/oilproof effect. Overtightening can damage the GOT or distort the panel.
5. Remove Protective Film:
• After installation is complete, remove the protective film from the display section.
How do I install and remove an SD card on the MITSUBISHI ELECTRIC GT2103-PMBD?
IMPORTANT: Before inserting or removing an SD card, either turn off the GOT power or set the SD card access to [Access inhibit] in the GOT utility to prevent data corruption or system malfunction.
Installing the SD Card
1. On the GOT, touch [Utility main menu] → [Data control] → [SD card access] → [Permissions], and select [Access inhibit].
2. Check that the SD card access LED turns off. This indicates it is safe to insert the card.
3. Open the SD card cover.
4. Insert the SD card with its front side (name plate side) facing outward until it clicks into place.
5. Close the SD card cover.
6. To enable access, touch [SD card access] again and select [Permissions]. Check that the SD card access LED turns on.
Removing the SD Card
1. On the GOT, touch [Utility main menu] → [Data control] → [SD card access] → [Permissions], and select [Access inhibit].
2. Check that the SD card access LED turns off. This indicates it is safe to remove the card.
3. Open the SD card cover.
4. Push the SD card in gently to release it, then carefully remove it. Support the card by hand as it may pop out.
5. Close the SD card cover.
CAUTION: While the SD card access LED is on, do not remove the SD card or power off the GOT. Doing so can result in damage to the SD card and files.
What is the procedure to start operating the MITSUBISHI ELECTRIC GT2103-PMBD?
Follow this outline to operate the MITSUBISHI ELECTRIC GT2103-PMBD:
1. Prepare Project Data:
• Install GT Designer3 Version1 on a personal computer.
• Create the project data (screens, logic, etc.) for your application using GT Designer3 Version1.
2. Install Option Unit (if applicable):
• Install any optional units to the GOT as required.
3. Install the GOT and Wire Power Supply:
• Mount the GOT into the control panel.
• Carry out the wiring for the power cables to the GOT’s power supply terminal.
4. Write Package Data to the GOT:
• Transfer the package data (which includes your project data and necessary applications) from the personal computer to the GOT. This can be done via USB, Ethernet, or from a data storage device like an SD card.
5. Connect the GOT and the Controller:
• Turn off the power to the GOT.
• Connect the GOT and the controller (e.g., PLC) with the appropriate communication cable.
6. Start Monitoring:
• Turn on the power to the GOT and the connected system.
• The GOT will start monitoring and displaying the project data you created.
What are the daily and periodic inspection items for the MITSUBISHI ELECTRIC GT2103-PMBD?
Daily Inspection Items
| Inspection Item | Inspection Method | Criterion | Corrective Action |
|---|---|---|---|
| GOT installation status | Check for loose screws. | Securely tightened | Retighten screws with the specified torque. |
| Connection status (Loose terminal screws) | Retighten screws with a screwdriver. | Not loose | Retighten terminal screws. |
| Usage status (Dirt on the protective sheet) | Visual check | Not outstanding | Replace the sheet with a new sheet. |
| Usage status (Foreign material adherence) | Visual check | No foreign matter adherence | Remove and clean the foreign material. |
Periodic Inspection Items (Half-yearly or yearly)
| Inspection Item | Inspection Method | Criterion | Action |
|---|---|---|---|
| Ambient temperature | Make measurement with thermometer. | Display section: 0 to 50°C. Other portions: 0 to 55°C. | Check temperature inside control panel. |
| Ambient humidity | Make measurement with hygrometer. | 10 to 90%RH | Check humidity inside control panel. |
| Power supply voltage check | Measure 24VDC voltage across terminals. | 20.4 to 26.4VDC | Change supply power if out of range. |
| Check for looseness/dirt | Visual check | No dirt, foreign matter sticking | Remove, clean. |
| Battery voltage | Check voltage status in the Utility. | No alarm displayed | Replace with new battery when it has reached its specified life span. |
How do I clean the screen of the MITSUBISHI ELECTRIC GT2103-PMBD?
To clean the MITSUBISHI ELECTRIC GT2103-PMBD, wipe the dirty part with a soft cloth using neutral detergent or ethanol.
Precautions for screen cleaning:
Do not use solvents such as acetone, benzene, toluene, and alcohol. These solvents may deform the protective sheet or peel the paint on the surface. Additionally, do not use spray solvents, as this may cause an electrical failure of the GOT and peripheral devices.
How do I troubleshoot the MITSUBISHI ELECTRIC GT2103-PMBD if it does not operate normally?
If the MITSUBISHI ELECTRIC GT2103-PMBD is not operating normally, use the following check sheet to diagnose the issue.
(1) GOT Status
| Phenomenon | Cause/Status | Action |
|---|---|---|
| Error occurs on the screen | If an error code is displayed, take the action for that specific error code. | If the status does not change, proceed to check the screen display. |
| The screen is completely black. | The liquid crystal display or BootOS may be faulty. | Perform the following in order: 1) Reinstall BootOS. 2) Reinstall standard monitor OS. If not restored, 3) Reinstall CoreOS and then standard monitor OS. If still not restored, proceed to product investigation. |
| The screen is completely white or has a line displayed. | The GOT hardware may be faulty. | Proceed to product investigation. |
| The screen freezes. | The screen display is not updated and any operation is not allowed. | Check the status of the GOT when it freezes. |
| Buzzer sounds continuously. | The read device of the system information may have turned ON, turning ON the Buzzer output signal. | Check the setting of the read device. If no error, check the status of the GOT when it freezes. |
What is the restoration procedure if the MITSUBISHI ELECTRIC GT2103-PMBD is malfunctioning?
If the MITSUBISHI ELECTRIC GT2103-PMBD has malfunctioned (e.g., frozen screen), follow these procedures in order. If the GOT is restored at any step, monitor its operation. If it is not restored, proceed to the next step.
| Step | Action | Possible Cause | Notes |
|---|---|---|---|
| (A) | Press the GOT reset switch. | The GOT may have malfunctioned temporarily due to noise. | |
| (B) | Power the GOT OFF, then ON. | Power OFF the PLC before powering the GOT ON again. | |
| (C) | Reset or power ON/OFF the PLC CPU. | ||
| (D) | Power the GOT and PLC CPU ON/OFF simultaneously. | ||
| (E) | Connect the cable again. | The cable connection may be faulty. | Securely connect the cable. If an error occurs again, proceed to product investigation. |
| (F) | Reinstall the project data. | Data may have been destroyed. | Do not power the GOT OFF while transferring data. If an error occurs again, proceed to product investigation. |
| (G) | Reinstall the OS. | ||
| (H) | Take action based on the “GOT installation status check sheet”. | The GOT may have malfunctioned temporarily due to noise. | Refer to the installation status check sheet for wiring and grounding improvements. |
| (I) | If the GOT is not restored by steps (A) to (H). | Product may be faulty. | Proceed to product investigation. |
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