MKS Serial Communication Module Pin-outs

Serial Communication Module Wiring:

Pin RS232 RS422/RS485
(4-wire)
RS485
(2-wire)
1 - - -
2 RxD RxD+(A) -
3 TxD TxD+(A) Data+(A)
4 - - -
5 Ground Ground Ground
6 - - -
7 RTS TxD-(B) Data-(B)
8 CTS RxD-(B) -
9 - - -

Need help?

Contact an Application Specialist by sending an email to MKS Instruments or call 978-645-5500.