7 Configuration level
29
7.12 C 121 Count for relay switching operations
7.13 C 122 Operating hours counter
Meaning
Value range
(factory setting in bold)
Count for relay switching operations
This is the actual counted amount of switching operations for the relay.
If the limit-value set under C120 (factory setting 1000) is reached,
error message 0001 is displayed and the relay is deenergized.
If this error is acknowledged, counting starts again from 0.
0 to 9999
Meaning
Value range
(factory setting in bold)
Operating hours counter
This indicates the number of hours the instrument is in operation.
The times when the instrument was connected to the power supply are added
together.
This counter cannot be acknowledged and once it reaches 10,000 hours,
displays hours in thousands (10t).
0 to 99999
Summary of Contents for safetyM TB/TW
Page 19: ...5 Commissioning the instrument 17 2011 12 31...
Page 42: ...9 DIN approved probes 2011 12 31 40...
Page 50: ...13 What if 2011 12 31 48...
Page 51: ......
