National Instruments RMX-410 Series, User Manual

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79
NATIONAL
INSTRUMENTS
Socket
Socket
DB-9 CONNECTOR 8 PIN CONNECTOR REMARKS
PIN NO. NAME PIN NO. NAME
HOUSING SHIELD HOUSING SHIELD
2 RX 7 TX TWISTED
3 TX 8 RX PAIR
5 SG 1 SG
Fig.7-3: RS232 cable with DB9 connector
DB-9 CONNECTOR 8 PIN CONNECTOR REMARKS
PIN NO. NAME PIN NO. NAME
HOUSING SHIELD HOUSING SHIELD
9 TXD- 6 RXD- TWISTED
8 TXD+ 3 RXD+ PAIR
1 SG 1 SG
5 RXD- 5 TXD- TWISTED
4 RXD+ 4 TXD+ PAIR
Fig.7-4: RS485 cable with DB9 connector
7.4 Connectig Power Supply To RS232 Or RS485 BUS
Connect rear panel IN connector to the controller RS232 or RS485 port using a suitable shielded
cable. Refer to Figures 7-3 and 7-4 for available RS232 and RS485 cables.