
MODCELL Multiloop Processor
ELECTRICAL CONNECTIONS
S-3031-16
Figure 3- 3. Typical Input Circuit for 2004A Solid State Input Module
S11
S10
–
+
L2 or –
L1 or +
2
1
BASE INSTRUMENTUPPER
TERMINAL
HOUSING
1
2
2004A
_
_
_
10, 11
_
SOLID STATE RELAY INPUT MODULE
(Module Location 10)
1
2
2004A
_
_
_
12, 13, 14, 15
_
SOLID STATE RELAY INPUT MODULE
(Module Location 11)
AC/DC
Power
Supply
To
Micro-
processor
3 +5V
4
5
OR
To
Micro-
processor
3 +5V
4
5
2
1
OR
DC Power
Supply
31
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