Siemens SIPART PS2 Compact Operating Instructions page 20

Connection diagram for order numbers 6DR52..-0E/D/F/G/K...; 6DR53..-0E/D/F/G/K...
①
Non-hazardous area
②
Potentially explosive atmosphere
③
Basic electronics
Dotted connection lines: only for three-wire connection
Figure 4-8 Device version 2-/3-/4-wire, with connection type 3-/4-wire (Ex i/Ex n/Ex t)
4.1.3.2 Split range
For further information about "Split-range" operation, refer to the detailed operating instructions for your respective device
version.
20
④
Binary input 1
⑤
HART communicator
only for 6DR52..-0E/D/F/G/K...
⑥
Power source
SIPART PS2 (6DR5...)
A5E03436683-02, 01/2013