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Installing the optional modules
5.1 General information about the installation of option modules
⑦
Friction clutch adjustment wheel
⑧
Actuating disc for A2, terminals 51 and 52
⑪
I
module
y
⑫
Alarm unit
5.1.3
Installing the optional modules in the "flameproof enclosure" version
The following optional modules are available for the positioner in the flameproof enclosure:
● I
● Alarm unit
Preparations for installation
Risk of explosion
You must fulfill the following conditions before supplying auxiliary power to the positioner in
potentially hazardous areas:
• The installed electronic unit has been approved.
• The enclosure of the positioner is closed.
• The duct openings for electronic connections must be closed. Only use the EEx d
• You must install an ignition trap if you use a "conduit piping system". The maximum
The module cover ① protects and fixes the optional modules mechanically. Proceed as
follows for the preparations for installation:
1. Disconnect the power supply lines or de-energize them.
2. Open the safety catch ⑫. Unscrew the screw cap ⑥.
3. Unlatch the four fixing screws ⑪.
4. Remove the entire adapter ⑦. If required, rotate the positioner until the coupling can be
detached easily.
5. Unscrew the both fixing screws ② using a screwdriver.
6. Remove the module cover ①.
58
module
y
DANGER
certified cable inlets or sealing plugs.
distance between the ignition trap and the positioner's enclosure is 46 cm or 18".
Sign set
⑲
Warning sign on the side opposite to the type plate
⑳
Wiring diagram
SIPART PS2 with PROFIBUS communication
Operating Instructions, 09/2007, A5E00127926-07
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