A0006415
15 Recommended fail-safe switching for the alarm contact
A Normal operating status
B Alarm condition
Normal operating status Alarm condition
Device in operation and no error message
present (alarm LED off):
• Relay energized
• Contact 42/43 closed
Error message present (alarm LED red) or device
defective or de-energized (alarm LED off):
• Relay de-energized
• Contact 41/42 closed
5.3 Post-connection check
Carry out the following checks once you have made the electrical connection:
Device state and specifications Notes
Are the devices and cables free from damage on the outside? Visual inspection
Electrical connection Notes
Are the mounted cables strain relieved?
Are the connected cables provided with strain relief?
Is the cable run correct, without loops and cross-overs?
Are the power cable and signal cables connected correctly and in
accordance with the wiring diagram?
Are all the screw terminals tightened?
Are all the cable entries fitted, tightened and leak-proof?
Are the PE distributor blocks grounded (if present)? Grounding is carried out at the point of
installation.
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