Connection 
  5.1 Electric 
SIPART PS2 with and without HART 
Operating Instructions, 10/2013, A5E00074631-11 
73 
Connection diagram for order numbers 6DR52..-0N...; 6DR52.5-0E...; 6DR53..-0N...; 6DR53.5-0E... 
 
  HART communicator for 6DR52..-0N... and 
   
Dotted connection lines: only for three-wire connection 
Figure 5-5  Device version 2-/3-/4-wire, with connection type 3-/4-wire (without Ex/with Ex d)