SIWAREX WT241 
Manual, 05/2015, A5E36046748A  181 
 
 
SIWAREX WP241 manual 
in various languages 
Free download from the Internet WP241 manuals 
(http://support.automation.siemens.com/WW/view
/de/64722267/133300) 
Ethernet patch cable CAT5 
To connect the SIWAREX to a PC (SIWATOOL), 
SIMATIC CPU, panel, etc. 
SIWAREX JB junction box 
For parallel connection of load cells 
SIWAREX EB extension box 
For extending load cell cables 
Ex interface, type SIWAREX IS 
With ATEX approval for intrinsically-safe connec-
tion of load cells, including manual, suitable for 
the load cell groups SIWAREX CS, U, M, FTA, P, 
WP231, WP321, and WP241 
  With short-circuit current < 199 mA DC 
  With short-circuit current < 137 mA DC 
Cable Li2Y 1 x 2 x 0.75 ST + 2 x (2 x 0.34 ST) - 
CY 
  To connect SIWAREX CS, U, M, P, A, 
WP231, WP321, and WP241 to the junction 
box (JB), extension box (EB) or Ex interface 
(Ex-I) or between two JBs, for fixed laying 
  Occasional bending is possible 
  10.8 mm outer diameter 
  For ambient temperature -20 to +70 °C