Siemens SIPART PS2 Operating Instructions Manual page 295

Note
Properties of the cable
To avoid interference, the cable between 19" slide-in module, positioners 6DR59.. and the field
should have the following signal pairs (twisted pair):
● Discharge - / Discharge +
● Supply - / Supply +
● GND / POS
● V_REF GND
①
Control system
③
Field distributor
⑤
Shield
⑦
19" slide-in module
Figure F-3 Grounding concept 19" slide-in module 4 to 20 mA version
SIPART PS2 with and without HART
Operating Instructions, 05/2017, A5E00074631-AC
Positioner with remote control electronics
②
3 x 1 cable to the control system
④
Connection point
⑥
Positioner 6DR5910
Ground = Ground
F.2 19" slide-in module
295