Pilz PNOZ c1 24VDC 3n/o 1n/c - Manual (Page 9)

PNOZ c1
Operating Manual PNOZ c1
22197­EN­02 9
Operation
The unit is ready for operation when the Power LED is permanently lit.
LEDs indicate the status and errors during operation:
Status indicators
Power
Supply voltage is present.
CH.1
Safety contacts of channel 1 are closed.
CH.2
Safety contacts of channel 2 are closed.
Error indicators
All LEDs off
Diagnostics: Short across contacts/earth fault; unit switched off
} Remedy: Rectify short across contacts/earth fault, switch off supply voltage
for 1 min.
LED Power off
Diagnostics: Short circuit or supply voltage failure
} Remedy: Rectify short circuit or connect supply voltage.
Faults ­ malfunctions
} Contact malfunctions: If the contacts have welded, reactivation will not be possible after
the input circuit has opened.
Technical details
General 710001
Approvals CCC, CE, TÜV, cULus Listed
Electrical data 710001
Supply voltage
Voltage 24 V
Type DC
Voltage tolerance ­15 %/+10 %
Output of external power supply (DC) 2,5 W
Residual ripple DC 160 %
Continuous duty 100 %