Free English ADVANTECH BB-485DRCI (01) PDF document. Download the PDF, use the online viewer, or browse the FAQs for easy troubleshooting.
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What are the functions of the LEDs on the ADVANTECH BB-485DRCI?
The ADVANTECH BB-485DRCI has the following LEDs:
Power LED
Red = ON when power is applied.
Data LEDs
Red = FLASH when data is present on the port.
What warnings should be noted regarding the ADVANTECH BB-485DRCI for UL Class1/Division 2 environments?
The following warnings apply to the ADVANTECH BB-485DRCI:
POWER, INPUT AND OUTPUT (I/O) WIRING MUST BE IN ACCORDANCE WITH CLASS I, DIVISION 2 WIRING METHODS [ARTICLE 501.10(B) OF THE NATIONAL ELECTRICAL CODE, NFPA 70] AND IN ACCORDANCE WITH THE AUTHORITY HAVING JURISDICTION.
WARNING – EXPLOSION HAZARD – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2.
WARNING – EXPLOSION HAZARD – WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING OR WIRING MODULES.
WARNING – EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS.
What items are required to use the ADVANTECH BB-485DRCI?
Before you begin, be sure you have the following:
+ ADVANTECH BB-485DRCi Serial Converter
+ Required, but not included:
10-48Vdc Power Supply, 0.2 A
RS-232 Cable (converter is a DCE device)
RS-422/485 Cable
How do I set the DIP switches for the ADVANTECH BB-485DRCI for different Communications Modes?
The DIP switches for Communications Mode are set as follows:
| COMMUNICATIONS MODE | SWITCH | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| RS-485 2-Wire, Half-Duplex | ON | ON | ON | ON |
| RS-485 4-Wire, Full-Duplex | ON | OFF | OFF | OFF |
| RS-422, Full-Duplex | OFF | OFF | OFF | OFF |
How do I set the Built-in Termination Resistor on the ADVANTECH BB-485DRCI?
The Built-in Termination Resistor is set using switch 5:
| BUILT-IN TERMINATION RESISTOR | SWITCH 5 |
|---|---|
| Use Built-in 120Ω Termination | ON |
| Use External or No Termination | OFF |
How do I set the Built-in Transmit Bias Resistor on the ADVANTECH BB-485DRCI?
The Built-in Transmit Bias Resistor is set using switch 6:
| BUILT-IN TRANSMIT BIAS RESISTOR | SWITCH 6 |
|---|---|
| Use External or No Bias Resistor | ON |
| Use Built-in 1.2K Ω Transmit Bias Resistor | OFF |
How do I set the Built-in Receive Bias Resistor on the ADVANTECH BB-485DRCI?
The Built-in Receive Bias Resistor is set using switch 7:
| BUILT-IN RECEIVE BIAS RESISTOR | SWITCH 7 |
|---|---|
| Use External or No Bias Resistor | ON |
| Use built-in 1.2K Ω Receive Bias Resistor | OFF |
What is the DIP switch setting for RS-422/485 4-Wire mode on the ADVANTECH BB-485DRCI?
| DIP SWITCH | RS-422/485 4-WIRE | ||||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| ON/OFF | OFF | OFF | OFF | *** | *** | *** |
Position 1 = ON for RS-485, OFF for RS-422.
Positions 5, 6, 7 are used for termination and biasing.
Positions 8-12 are used to set baud rate.
What is the DIP switch setting for RS-485 2-Wire mode on the ADVANTECH BB-485DRCI?
| DIP SWITCH | RS-485 2-WIRE | ||||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| ON | ON | ON | ON | *** | *** | *** |
Positions 5, 6, 7 are used for termination and biasing.
Positions 8-12 are used to set baud rate.
What is the pinout for the DB9 connector on the ADVANTECH BB-485DRCI?
The DB9 Pinout for the ADVANTECH BB-485DRCI is:
| PIN | SIGNAL | DIRECTION |
|---|---|---|
| 1 | DCD | *** |
| 2 | RD | Output |
| 3 | TD | Input |
| 4 | DTR | *** |
| 5 | GND | *** |
| 6 | DSR | *** |
| 7 | RTS | *** |
| 8 | CTS | *** |
| 9 | RI | *** |
Pins 1, 6 & 4 are tied together internally.
Pins 7 & 8 are tied together internally.
What is the terminal block pinout on the ADVANTECH BB-485DRCI?
The terminal block pinout for the ADVANTECH BB-485DRCI is:
| POSITION | SIGNAL |
|---|---|
| A | Ground |
| B | RDB (+) |
| C | RDA (-) |
| D | TDB (+) |
| E | TDA (-) |
How are RS-422/485 Timeouts configured on the ADVANTECH BB-485DRCI?
Pre-defined timeouts are set using switches 8 through 12. Resistor selectable baud rates are set by inserting a through-hole resistor (R-11) on the circuit board. Timeout selections are equal to one character time at the indicated baud rate. Setting the converter to 9600 will generally work at 9600 and higher baud rates. In RS-422 mode, timeouts are not required.
SWITCH SELECTABLE
| Baud (Kbps) | 8 | 9 | 10 | 11 | 12 | Timeout (ms) |
|---|---|---|---|---|---|---|
| 2.4 | ON | OFF | OFF | OFF | OFF | 4.37 |
| 4.8 | OFF | ON | OFF | OFF | OFF | 2.03 |
| 9.6 | OFF | OFF | ON | OFF | OFF | 1.02 |
| 19.2 | OFF | OFF | OFF | ON | OFF | 0.57 |
| 38.4 | OFF | OFF | OFF | OFF | ON | 0.27 |
RESISTOR SELECTABLE
| Baud (Kbps) | 8 through 12 | R11 Value | Timeout (ms) |
|---|---|---|---|
| 1.2 | OFF | 820 KΩ | 8.32 |
| 57.6 | OFF | 16 KΩ | 0.16 |
| 115.2 | OFF | 8.2 KΩ | 0.08 |
How do I perform a Loopback Test on the ADVANTECH BB-485DRCI?
Configure the ADVANTECH BB-485DRCI for RS-485 four-wire, 9600 baud.
Jumper terminals B to D and C to E.
Connect a PC to the RS-232 port using HyperTerminal or similar program, connect to the appropriate COM port. (Remember to set the baud rate to 9600.)
Turn off HyperTerminal local echo.
Transmit data. The same data should be returned.
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