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2.4.
1650 connection diagrams
2.4.1.
General diagram
~
OUT 4
~
IN 5
IN 4
IN 3
IN 2
IN 1
COM
B (Data +)
Option
Modbus RTU
A (Data -)
(M) = M0
communication
or ME
Current transformer
36
CT1
35
second current transformer
for 2-phase /3-phase load
34
CT2
33
Option CT (H) = 2
32
+
+
OUT A2
31
-
30
+
OUT A1
29
-
28
27
+
26
25
-
for model with option auxiliary input (Aux1)
LEGEND
~
Power supply
PWR
~
+
Linear input in
voltage / current
-
Input for
current
transformer
C
37
36
38
35
NO
39
34
40
33
41
32
42
31
43
30
44
29
45
28
46
27
47
26
48
25
+
5V, 10V, 20mA,
+
VP2
+
1V, 1.2V, 2.4V, high impedance
-
Optional third input AUX2 (H) = 3
+
5 V, 10 V
+
+
VP1
VT2
+
+
T
T
60 mV
1 V, 20 mA
-
-
-
Auxiliary input
= 1
= 2 o 3
Isolated digital
inputs
+
Thermocouple
input
-
Input
PT100
T
T
JPT100
2 / 3wires
80209C_MHW_850-1650-1850_20-2020_ENG_pag. 29
~
12
PWR
~
11
C
10
+
+
VT
-
-
9
NO
C
8
+
-
7
NO
C
6
+
+
C
-
-
5
NO
4
3
+
2
T
T
1
-
Main input (Main)
With Ethernet communication option(M) = E0 or ME
NO
Relay output
C
~
Long-life solid state
~
relay output
+
Logic output
-
Isolated logic output
+
Isolated analog output
-
with option OUT1
Master Modbus (B) = G
OUT 3
OUT 2
OUT 1
+
5 V, 10 V
+
60 mV, 1 V, 20 mA
-
-
B (Data +)
RS485 serial line
A (Data -)
+
Supply
VT
transmitter
-
+
Supply
VP
potentiometer
-
12
11
10
9
8
7
6
5
4
3
2
1
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