Rockwell Automation 1758-RTU202 Datasite Installation Instructions - 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