Connecting Power Supplies To The Rs-232 Or Rs-485 Bus - TDK-Lambda Genesys User Manual

8.4.

Connecting Power Supplies to the RS-232 or RS-485 Bus

8.4.1. Single Power Supply
a) Select the desired interface, RS-232 or RS-485, using the rear panel setup switch
SW1-6 (Section 4.3).

SW1-6 DOWN: RS-232

SW1-6 UP: RS-485
b) Connect the rear panel J3-IN connector to the controller RS-232 or RS-485 Digital
communication port using a suitable shielded cable.
Refer to Figures 8-2, 8-3 and 8-4 for available RS-232 and RS-485 cables.
13
1
Sockets
Fig.8-2: RS-232 cable with DB25 connector (P/N: GEN/232-25)
5
1
Sockets
Fig.8-3: RS-232 cable with DB9 connector (P/N: GEN/232-9)
5
1
Sockets
Fig.8-4: RS-485 cable with DB9 connector (P/N: GEN/485-9)
L=2m typ.
DB-25 CONNECTOR 8 PIN CONNECTOR
NAME PIN NO.
PIN NO.
1 SHIELD
2 TX 8
3 RX 7
7 1
SG
L=2m typ.
DB-9 CONNECTOR 8 PIN CONNECTOR
PIN NO. NAME PIN NO.
SHIELD HOUSING
HOUSING
2 RX 7
3 TX 8
5 1
SG
8 PIN CONNECTOR
DB-9 CONNECTOR
PIN NO. NAME PIN NO.
HOUSING HOUSING
SHIELD
-
9 TXD 6
+
3
8 TXD
1 SG 1
-
5 5
RXD
4
4 +
RXD
79
83532002 Rev C
REMARKS
NAME
SHIELD
TWISTED
RX
PAIR
TX
SG
REMARKS
NAME
SHIELD
TWISTED
TX
PAIR
RX
SG
L=2m typ.
REMARKS
NAME
SHIELD
-
RXD TWISTED
+
RXD PAIR
SG
-
TXD
TWISTED
+
TXD
PAIR
8
1
8
1
8
1