INSTALLATION
P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE
2–3
CONFIGURATION CABLE
The PC connector is indicated as
B
in Figure 2-1: P485 electrical connections on page 2–2.
This connector is used to connect the P485 to a PC using the configuration cable for
configuration and monitoring purposes.
A P485/D485 configuration cable can be purchased from GE Multilin. The wiring for the
configuration cable is shown below.
Figure 2-3: Configuration cable
The pinout for the modular 4/4 RJ11 connector (connects to the P485) is shown below.
Figure 2-4: Configuration cable (P485 end)
The pinout for the DSUB 9-pin serial plug (connects to the PC) is shown below.
Table 2–2: Configuration cable pin assignments (P485 end)
Pin
Description
1
Signal ground
2
Signal ground
3
RS232 Rx, data input to P485
4
RS232 Tx, data output from P485
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
1
2
3
4
5
6
7
8
9
1
2
3
4
D-sub 9 female (PC)
Modular 4/4 RJ11 connector (P485)
Ground
Ground
Rx
Tx
RS232 Tx
RS232 Rx
Ground
Connects to PC serial port
Connects to P485
1
2
3
4
Summary of Contents for P485
Page 2: ......
Page 36: ...4 14 P485 MODBUS TO PROFIBUS CONVERTER USER GUIDE SOFTWARE OVERVIEW ...
Page 42: ...5 6 P485 MODBUS TO PROFIBUS CONVERTER USER GUIDE COMMUNICATION MODEL ...
Page 56: ...8 6 P485 MODBUS TO PROFIBUS CONVERTER USER GUIDE ADVANCED FUNCTIONS ...
Page 74: ...10 2 P485 MODBUS TO PROFIBUS CONVERTER USER GUIDE MISCELLANEOUS ...