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2018-05-09
Fig. 10.3. Electrical wiring diagram for connecting the meter to an external power supply source.
Table 10.1. Numbering of the calculator screw terminals
Terminal no.
Destination
5, 6
Supply temperature sensor T1 (bipolar)
7, 8
Return temperature sensor T2 (bipolar)
50
Pulse input/output 2 (GND)
51
Pulse input/output 2 (IN/OUT 2)
(volume value output in the test mode)
52
Pulse input/output 1 (GND)
53
Pulse input/output 1 (IN/OUT 1)
(energy value output in the test mode)
Table 10.2. Numbering of the screw terminals for the optional communication modules
Terminal no.
Destination
20
current loop module (+)
21
current loop module (-)
24, 25
M-Bus module (bipolar)
60, 61
12-24 V DC power for the Modbus module (bipolar)
90
Modbus module (+)
91
Modbus module (-)
Table 10.3. Numbering of the screw terminals for the optional external power supply module
Terminal no.
Destination
54, 55
external power supply connector (bipolar)
Communi-
cation
module
Battery
External power
supply module
Connection to external
power supply
Connection to wired
communication network
e.g. M-Bus, Modbus etc.
