Connecting
6
All external connections are made via the terminal box.
Figure 6-1 SIWAREX WP321 process terminals on the base unit
6.1 24 V connection
The 24 V DC supply voltage is connected by means of the corresponding terminals on the base
unit.
Table 6-1 Connection of the 24 V supply
Labeling Function
L + +24 V voltage supply
M Ground voltage supply
6.2 Connection of analog load cells
Sensors equipped with strain gauges (DMS full bridge) can be connected to the electronic
weighing system. These sensors meet the requirements in section Technical data (Page 115).
Labeling Function Connection pin
Sig- Measurement cable load cell - 2
Sig+ Measurement cable load cell - 1
Sen- Sensor cable load cell - 4
Sen+ Sensor cable load cell + 3
SIWAREX WP321
Operating Instructions, 08/2019, A5E33715669A-AD 27
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