Wiring
OPM223/253
22
4.2
Alarm contact
4.3
Post-connection check
After wiring up the electrical connection, carry out the following checks:
C07-OxM2x3xx-04-06-00-xx-001.eps
Fig. 19: Recommended fail-safe switching for the alarm contact
A Normal operating status
B Alarm condition
Normal operating status:
• Device in operation
• No error message present
(Alarm LED off)
› Relay energised
› Contact 42/43 closed
Alarm condition
• Error message present (alarm LED red)
or
• Device defective or voltage-free (alarm
LED off)
› Relay de-energised
› Contact 41/42 closed
Device status and specifications
Remarks
Are the transmitter or the cable externally damaged?
Visual inspection
Electrical connection
Remarks
Are the installed cables strain-relieved?
No loops and cross-overs in the cable run?
Are the signal cables correctly connected acc. to the wiring
diagram?
Are all screw terminals tightened?
Are all cable entries installed, tightened and sealed?
Are the PE distributor rails grounded (if present)?
Grounding at place of installation
41
42
43
41
42
43
A
B
Summary of Contents for OPM223
Page 2: ......
Page 95: ...OPM223 253 Technical data 95...
Page 100: ...Appendix OPM223 253 100...
Page 103: ...OPM223 253 103...
Page 104: ...BA194e 00 07 09 71106576 Printed in Germany FM SGML 6 0 DT 71106576...