
2Ć4
V
1
+
A/D
+
-
M
U
X
220K
220K
.1F10m
Terminal Board and
Cable Assembly
(M/N 61C549/61C550)
Current Input Module
(M/N 61C540)
UserĆSupplied
(Optional)
+
-
24V
+
-
V
2
+
250
ohma
.02%
SPPM
C
-
-
V
1
V
2
37ĆPin
DĆShell
Connectors
UserĆ
Supplied
24V
UserĆ
Supplied
4Ć20mA
Transmitter
A
1A
2A
3A
3B
Figure 2.2 Ć Typical Current Input Channel
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