Connecting Power Supplies To Rs232 Or Rs485 Bus; Single Power Supply - Nemic-Lambda TDK-Lambda Genesys GEN6-100 Manual

7.4 CONNECTING POWER SUPPLIES TO RS232 OR RS485 BUS

7.4.1 Single power supply

1. Select the desired interface RS232 or RS485 using rear panel setup switch SW1-6 (section 4-4).
- RS232: Down position
- RS485: Up position
2. Connect rear panel IN connector to the controller RS232 or RS485 port using a suitable shielded
cable.
Refer to Figures 7-2, 7-3 and 7-4 for available RS232 and RS485 cables.
13
1
Socket
5
1
Socket
5
1
Socket
DB-25 CONNECTOR
PIN NO.
1
2
3
7
Fig.7-2: RS232 cable with DB25 connector (P/N: GEN/232-25)
DB-9 CONNECTOR
PIN NO.
HOUSING
2
3
5
Fig.7-3: RS232 cable with DB9 connector (P/N: GEN/232-9)
DB-9 CONNECTOR
PIN NO.
HOUSING
9
8
1
5
4
Fig.7-4: RS485 cable with DB9 connector (P/N: GEN/485-9)
L=2m typ.
8 PIN CONNECTOR
NAME PIN NO. NAME
SHIELD
SHIELD
TX 8
RX
7
RX
TX
1
SG
SG
L=2m typ.
8 PIN CONNECTOR
NAME PIN NO. NAME
HOUSING
SHIELD
SHIELD
RX 7
TX
8
TX
RX
SG 1
SG
L=2m typ.
8 PIN CONNECTOR
NAME PIN NO.
NAME
HOUSING SHIELD
SHIELD -
6 RXD
TXD
+
TXD 3 RXD
1
SG - SG
5
RXD TXD
4
+
RXD TXD
50
REMARKS
TWISTED
PAIR
REMARKS
TWISTED
PAIR
REMARKS
-
TWISTED
+
PAIR
-
TWISTED
+
PAIR
8
1
8
1
8
1