Connection 
  5.1 Electric 
SIPART PS2 with and without HART 
Operating Instructions, 10/2013, A5E00074631-11 
83 
 
Option modules Ex i/Ex n/Ex t 
Which option module is fitted in which positioner 
The order number of the positioner is present on its nameplate. This coded order number 
indicates which option module is already installed in your device. The following table lists the 
assignment between positioner and installed option module. 
List of option modules fitted in positioners with the following types of protection: 
●  Intrinsic safety "Ex i" 
●  Non-incendive "Ex nA" 
●  Protection by enclosure "Ex t" 
 
Contains the following installed option 
module 
Order number for installed 
option module 
6DR5..a-0b.1.-0.A.  Alarm module ATEX; alarm module 
6DR4004-6A; 6DR4004-7A 
Mechanical limit switch module 
I
y
 module ATEX; I
y
 module FM/CSA 
y
y
a = 0; 1 or 2  
b = E, D, F, G, K 
The captions of the following connection graphics for the option modules are made up of the 
name and order number of the option module.