Siemens FS720 Commissioning, Maintenance, Troubleshooting page 65

Entry in the calibration
report
10th to max. 252nd
Voltage drop on the
individual 'Voice alarm
sounder beacon/Voice al.
sound. beacon base'
devices on the line
Building Technologies
Fire Safety
Possible content*
FDS227 - RR
Device 1/2/1/1 PASS U = 23.4 V
FDS227 - RR
Device 1/2/1/1 FAIL U = 15.7 V
* The specified lines, devices, and values are only examples.
Calibrating an FDnet/C-NET detector line
Calibration report
Description
Entries 10 to max. 252 show the
calculated voltage drop on each 'Voice
alarm sounder beacon/Voice al. sound.
beacon base' device in the line.
The following results are possible:
● Pass: The calculated operating
voltage for the 'Voice alarm sounder
beacon/Voice al. sound. beacon
base' device in question is ≥ 16 V
for devices with beacon and ≥ 12 V
for devices without beacon.
● Fail: The calculated operating
voltage for the 'Voice alarm sounder
beacon/Voice al. sound. beacon
base' device in question is < 16 V
for devices with beacon and < 12 V
for devices without beacon.
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A6V10210416_j_en_--
2018-08-29