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11.3.2 Electrical connection
For the electrical connection (code 1110) (M12 plug), we recommend the M12 connectors for EX areas from IFM, series
ENC**A.
The M12 plugs may only be assembled, connected and commissioned by trained personnel. The trained personnel must have
expertise in types of ignition protection, and regulations and provisions for operating media in EX areas.
1. Securely lay the connection cables or ensure sufficient tension relief.
2. Refer to the technical data and cable gland documentation for details of the wire cross sections.
3. Protect the product and the cables from damage.
4. Only clean the product with an anti-static or damp cloth.
5. Only operate the product when it is fully assembled.
6. Only connect the product to intrinsically safe electric circuits that are approved with an EC type examination certificate and
which do not exceed the maximum values of the respective sensors for Ui, Ii, Pi, Ci and Li.
12 Error clearance
Error
No stroke
No feedback
Cover cannot be attached
Grub screw not working
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Error cause
No mounting kit available
Process valve faulty
Wrong mounting kit installed
Incorrect assembly
Switch not set
Wrong mounting kit installed
Voltage is not connected
Sealing ring inserted incorrectly
Sealing ring damaged
Cables protruding over the edge of the
base
Grub screw unscrewed too far, nut fell
out
17 / 24
Error clearance
Check mounting kit
Replace process valve
Replace mounting kit
Check assembly, wiring and connection
Set switch
Replace mounting kit
Connect voltage
Insert sealing ring correctly
Replace sealing ring
Check the cable routing and shorten the
cables if necessary
Reinsert the nut, screw in the grub screw
(during assembly, only undo the grub
screw, do not unscrew it completely)
12 Error clearance
GEMÜ 1231
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