Siemens SIWAREX WL200 Series - Page 26

Connecting
5.3 Connecting up
SIWAREX WL200
26 Operating Instructions, 07/2016, A5E02199611B-03
Procedure
Note
Measurement errors
Observe the warnings concerning extending or shortening the connecting cables in section
→
Lengthening and shortening the connecting cable (Page 31).
If at all possible, do not shorten the connecting cables in a four
-wire system.
Note
No calibration approval
In scales requiring official calibration, the connecting cables for load cells in a four
-wire
system must not be shortened or lengthened.
1. Connect the recommended grounding cables: → Planning (Page 27)
2. Connect the load cells in accordance with the connection principle and with reference to
the specified signal assignments: → Connecting principle (Page 22)
3. For load cells with a four-wire system, position the wire jumpers in the junction box as
follows:
Table 5- 2 Wire jumpers for load cells with four-wire system
Wire jumper
From terminal
To terminal
1
EXC-
SENSE-
2
EXC+
SENSE+
Note
Malfunction
If the wire jumpers are missing, the SIWAREX weighing module signals a wire break.