Wire the controller for pulse input, Wiring for rs232 serial communications – Rockwell Automation 1758-RTU202 Datasite Installation Instructions User Manual
Page 12
12 DataSite Natural Gas Flow Meter and Remote Terminal Unit
Publication 1758-IN001C-EN-P - June 2011
Wire the Controller for Pulse Input
Wiring for RS232 Serial Communications
RS232 DTE to RS232 DTE without Handshaking
WARNING
Refer to Power Source Requirements for details on wiring.
12~24V
36
37
38
39
PI0
PI1
PI2
PI-
40
35
44385
5
GND
CTS
RTS
TxD
RxD
4
3
2
9
8
7
6
1
44377
1
2
3
4
5
6
7
8
CTS
RTS
GND
DTR
TXD
RXD
DCD
RS232 (DTE)
9
1
2
3
4
5
6
7
8
9
CTS
RTS
GND
DTR
TXD
RXD
DCD
DTE
44387
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