3
www.productivity2000.com
Sales 800-633-0405
.032A
2-Wire 4-20 mA
Transmitter
fuse
.032A
fuse
Note: Do not connect both ends of shield.
I+
I+
COM
4-Wire 4-20 mA
Transmitter
Current Input Circuits
2-Wire Transmitter
4-Wire Transmitter
An Edison S500-32-R 0.032A fast-acting
fuse is recommended for current loops.
+24VDC User
Supplied Power
+
–
+
–
User Supplied
Transmitter Power
AC or DC
+
.032A
fuse
COM
I+
3-Wire Current
Transmitter
3-Wire Transmitter
+
–
+24VDC User
Supplied Power
+ –
+ –
COM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
ISOLATED
ANALOG
CIRCUIT
POWER
CH11 ADC
CH15 ADC
CH12 ADC
CH16 ADC
COM
COM
COM
COM
I1+
I5+
I2+
I6+
I3+
I7+
I4+
I8+
+V
+V
-V
-V
I9+
I13+
I10+
I14+
I11+
I15+
I12+
I16+
CH9 ADC
CH13 ADC
CH10 ADC
CH14 ADC
CH3 ADC
CH7 ADC
CH4 ADC
CH8 ADC
CH1 ADC
CH5 ADC
CH2 ADC
CH6 ADC
+
ISOLATED ANALOG
CIRCUIT COMMON
INTERNAL
MODULE
CIRCUITRY
ZL-RTB20
Labels
Wiring Diagram
Schematic
