Siemens SIMATIC ET 200SP Operating Instructions

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
&DEOHJODQG
&DEOHJODQG
6VKLHOGVXSSRUWHOHPHQW
-XQFWLRQER[
6LJQDOFDEOH
(OHFWURQLF:HLJKLQJ6\VWHP
/RDGFHOO
%ODFN
*UD\
5HG
%OXH
*UHHQ
:KLWH
3$/
SIGNAL-
EXC-
SENSE-
SHIELD
EXC+
SENSE+
SIGNAL+
SIGNAL+
SENSE+
EXC+
SIGNAL-
SENSE-
EXC-
Figure 4-2 Cable shield of the signal cable connected to EMC cable gland
Connecting
4.3 Connection of analog load cells
Technology module TM SIWAREX WP351 HF
28 Operating Instructions, 01/2020, A5E47521010-AA

Siemens SIMATIC ET 200SP Specifications

General

System Type	Distributed I/O System
Mounting	DIN Rail
Communication Protocol	PROFINET, PROFIBUS
IP Rating	IP20
Category	I/O Systems
Supply Voltage	24 V DC
Modularity	Yes
Hot Swapping	Yes
Storage Temperature	-40°C to +70°C
Digital Inputs	Yes
Digital Outputs	Yes
Analog Inputs	Yes
Analog Outputs	Yes
Communication Interface	PROFINET, PROFIBUS
Number of Modules	Up to 64
Relative Humidity	5 to 95% (non-condensing)
Operating Temperature	-25°C to +60°C