Micromod MOD: MODCELL Multiloop Processor 2002N Model C and Associated Hardware - Manual (Page 41)

MODCELL Multiloop Processor
ELECTRICAL CONNECTIONS
S-3031-18
Figure 3- 5 . Typical Input Circuits for 2002A Current Input Module and 2012A Current Input Module
with 2-wire transmitter power
S21
S22
4 to 20
mA dc
+
–
LOWER
TERMINAL
HOUSING
Non 2-Wire
Transmitter
1
2
SH4
A/D
BASE INSTRUMENT
2002A CURRENT INPUT
MODULE (Module Location 21)
Processor
Input
Isolation
+10V Iso
Power
4 to 20
mA dc
+
–
2-Wire
Transmitter
2
1
SH5
A/D
2012A CURRENT INPUT
MODULE (Module Location 22)
Processor
Input
Isolation
+24V Iso
1
2
DATA
SEL
CLK
GND
+5V dc 3
6
4
7
5
DATA
SEL
CLK
GND
+5V dc 3
6
4
7
5
2
1
A
B
Shield
Connection to
Either Terminal
+10V Iso
3 5