Mercury 2+ Operator Terminal User Manual
Page 57 of 82
2019r0
Appendix D
R507/R507A
I.S. Interface
Module Wiring
Schedule
Safe Area Connections
Pin No
Area Usage
Description
1
Safe Area
RS422 RX+ from Host
2
Safe Area
RS422 RX from Host
3
Safe Area
RS422 TX+ to Host
4
Safe Area
RS422 TX+ to Host
5
Safe Area
+24 V Nom. Supply
6
Safe Area
0V/GND Nom. Supply
7
Safe Area
RS232 RX from Host
8
Safe Area
RS232 TX to Host
Field connections to Mercury 2+
Pin No
Area Usage
Description
9
None
Not Used
10
None
Not Used
11
None
Not Used
12
None
Not Used
13
Hazard Area M2+ J5, Pin No. 4 (RX2)
14
Hazard Area M2+ J5, Pin No. 3 (RX1)
15
Hazard Area M2+ J5, Pin No. 2 (TX2+)
16
Hazard Area M2+ J5, Pin No. 1 (TX1+)