Siemens SIPART Series - 5.1.4.2 Split range Ex i;Ex n;Ex t

Connection
5.1 Electric
SIPART PS2 with and without HART
82 Operating Instructions, 10/2013, A5E00074631-11
5.1.4.2
Split range Ex i/Ex n/Ex t
①
Non-hazardous area
⑥
Device 2 - positioner: 6DR52.0; 6DR52.1;
6DR52.2
②
Potentially explosive atmosphere
⑦
Actuating range 2
③
Device 1 - positioner: 6DR52.0; 6DR52.1;
6DR52.2
⑧
Binary input 2
④
Actuating range 1
⑨
Total actuating range Iy
⑤
Binary input 1
⑩
Signal source
⑪
Power source
Figure 5-15 Series connection of 2 positioners, e.g. split range (auxiliary power wired separately),
Ex i/Ex n/Ex t