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CONFIGURATION CABLE
D485 MODBUS TO DEVICENET CONVERTER – USER GUIDE
The PC connector is indicated as B in Figure 2-1: D485 electrical connections on page 2–2.
This connector is used to connect the D485 to a PC using the configuration cable for
configuration and monitoring purposes.
A configuration cable can be purchased from GE Multilin. The wiring for the configuration
cable is shown below.
D-sub 9 female (PC)
1
RS232 Rx
2
3
RS232 Tx
4
Ground
5
6
7
8
9
The pinout for the modular 4/4 RJ11 connector (connects to the D485) is shown below.
Table 2–2: Configuration cable pin assignments (D485 end)
Pin
Description
1
Signal ground
2
Signal ground
3
RS232 Rx, data input to D485
4
RS232 Tx, data output from D485
Figure 2-4: Configuration cable (D485 end)
The pinout for the DSUB 9-pin serial plug (connects to the PC) is shown below.
Table 2–3: Configuration cable pin assignments (PC end)
Pin
Description
1
Not connected
2
RS232 Rx, data input to PC
3
RS232 Tx, data output from PC
4
Not connected
5
Ground
6 to 9
Not connected
Modular 4/4 RJ11 connector (D485)
1
2
3
4
Connects to D485
Connects to PC serial port
Figure 2-3: Configuration cable
4
3
2
1
INSTALLATION
Ground
Ground
Rx
Tx
2–3
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