Connecting Siwarex Jb To The Electronic Weighing System And Load Cell; Wiring Diagrams; Load Cells With Four-Wire System - Siemens SIMATIC ET 200SP Operating Instructions Manual

Connecting
4.3 Connection of analog load cells
4.3.1

Connecting SIWAREX JB to the electronic weighing system and load cell

Procedure
1. Open the cover of the SIWAREX JB.
2. Screw in an M16 x 1.5 cable gland for each load cell.
3. Screw in an M20 x 1.5 EMC cable gland for the signal cable to the electronic weighing
system.
4. Wire the SIWAREX JB to the load cell and the electronic weighing system in accordance
with Wiring diagrams (Page 28).
To learn how to connect the cable, see section Connecting cables to SIWAREX JB
(Page 31).
5. Close any unused opening in the enclosure with a blanking plug.
6. Connect the equipotential bonding conductor to the outside of the enclosure.
Use shielded cable lugs.
7. Close the cover of the SIWAREX JB according to the tightening torque.
4.3.2

Wiring diagrams

4.3.2.1

Load cells with four-wire system

Figure 4-2
28
Cable shield of the signal cable connected to EMC cable gland
SHIELD
SENSE-
EXC-
SIGNAL-
SENSE+
EXC+
SIGNAL+
Technology module TM SIWAREX WP351 HF
Operating Instructions, 01/2020, A5E47521010-AA
SENSE-
EXC-
SIGNAL-
SENSE+
EXC+
SIGNAL+