INSTALLATION
CONFIGURATION CABLE The PC connector is indicated as B in Figure
A P485/D485 configuration cable can be purchased from GE Multilin. The wiring for the configuration cable is shown below.
Modular 4/4 RJ11 connector (P485) | ||||
| 1 |
| 1 | Ground |
RS232 Rx | 2 |
| 2 | Ground |
RS232 Tx | 3 |
| 3 | Rx |
| 4 |
| 4 | Tx |
Ground | 5 |
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| 6 | Connects to P485 |
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| 7 |
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| 8 |
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| 9 |
| Connects to PC serial port | |
Figure 2-3: Configuration cable
The pinout for the modular 4/4 RJ11 connector (connects to the P485) is shown below.
Table 2–2: Configuration cable pin assignments (P485 end)
Pin | Description |
|
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1 | Signal ground |
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2 | Signal ground |
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3 | RS232 Rx, data input to P485 |
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4 | RS232 Tx, data output from P485 |
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|
4
3
2
1
Figure 2-4: Configuration cable (P485 end)
The pinout for the DSUB
Table 2–3: Configuration cable pin assignments (PC end)
Pin | Description |
|
|
1 | Not connected |
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2 | RS232 Rx, data input to PC |
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3 | RS232 Tx, data output from PC |
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4 | Not connected |
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5 | Ground |
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6 to 9 | Not connected |
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P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE |