Mechanical Reference
J5
RS-232
J5
RS-485
6 N/C 6 N/C
5 GND 5 N/C
4 RX 4 N/C
3 TX 3 GND
2 N/C 2 -TX/RX (B)
1 N/C 1 +TX/RX (A)
P10
1 EXT PRT
2 GND

P1 POWER
ac HI ac LO ac GND
1 2 3

P2 RELAY 1 P3 RELAY 2 P4 ANALOG OUTPUT
N.O. N.C. COM N.O. N.C. COM VOLT OUT CURRENT OUT GND RETURN
1 2 3 1 2 3 1 2 3
Options in Italics

TB1 RELAY 1 TB1 RELAY 2
N.O. N.C. COM N.O. N.C. COM
1 2 3 4 5 6

TB1 POWER TB1 ANALOG OUTPUT
ac HI ac LO ac GND VOLT OUT CURRENT OUT GND RETURN
7 8 9 10 11 12

BTB4 RTD INPUT 1 TB4 RTD INPUT 2
+EXE +SIG -SIG -EXE -EXE -SIG
+SIG
+EXE
1 2 3 4 5 6 7 8



TB1 RELAY1 TB1 RELAY2
N.O. N.C. COM N.O. N.C. COM
1 2 3 4 5 6
TB1 POWER
TB1 ANALOG OUTPUT
ac HI ac LO ac GND RETURN VOLT OUT CURRENT OUT GND RETURN
N.C. dc+ dc- 10 11 12
7 8 9      
Options in Italics

TB4 THERMOCOUPLE IMPUTS
T1- T1+ T2+ T2-
B A C D




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