ABB Symphony Harmony Series, Instruction, Page: 385 / 402

PR7 - 2 WBPEEUI240751C0
Field Device Connection
□
6. If installing redundant I/O modules, insure the settings for
both I/O modules are the same.
Field Device Connection
Figure PR7-1 shows the circuit connections made after attach-
ing field wiring.
Figure PR7-1. Analog Input (Simplified)
D IF FE R E N T IA L
VO LTAG E
M E A S U R E D
IN P U T
± 1 0 V O R
± 1 00 m V
–
–
V
S O U R C E
+ +
T00 826B
T H E R M O C O U P L E
M E A S U R E D
IN P U T
–
–
R
L EA D 1
R
LE AD 2
+ +