Toptech RCU II DIV2 - 5.4.4.2 4-20 mA Wiring

40
5.4.4.2 MultiLoad II 4 – 20 mA Wiring
I/O DIGITAL/
ANALOG
I/O 2 METER
METER 0 METER 1
4-20 mA-IN
+
-
+
-
+
-
5V
12V
+
-
I+
4-20 mA
I-
V+
V-
I+
I-
+
-
4-20 mA
i
4-20mA
%
i
4-20mA
%
4-20 mA-IN
I+ 1

I- 2

V+ 1
COM 2
IOUT 3
N/A 4
4-20 mA
IN
4-20 mA
OUT
IO_DA TB6
4-20 mA IN.I+
4-20 mA IN.I-
4-20 mA IN.I+
4-20 mA IN.I-
4-20 mA OUT.I
4-20 mA OUT.GND
4-20 mA OUT.V+
4-20 mA OUT.I
4-20 mA OUT.V+
4-20 mA OUT.GND
I+ 1
I- 2
V+ 1

COM 2

IOUT 3

N/A 4
4-20 mA
OUT
IO_DA TB6
4-20 mA
IN
+
1

+
2
+
3
+
4
+
5
-
6

IO_DA TB2A
12Vdc
I-
I+
4-20 mA
I-
I+
4-20 mA
i
4-20mA
%
(0 Vdc)
12-30 Vdc
i
4-20mA
%
(0 Vdc)
12-30 Vdc
*Note: The 4-20 mA receiver does not contain a voltage source. The loop must be powered either by the transmitter or by an external power supply. The
I/O Board adds 75 Ohms to the loop.
*
*
‡Note: The 4-20mA output requires a power source (12-30vdc). The 12vdc output can be used as shown here.
12 – 30 Vdc
‡
‡