User Manual Manual

2-12 Equipment Description
Publication 825-UM001B-EN-P January 2001
Response Supply Voltage Failure
If the supply voltage fails, the setting data are retained.
Failure of Supply Voltage > 30 ms
• All energized output relays drop out
• The LED extinguishes
• The timer for “duration of supply failure” starts (maximum 8 h)
• The instantaneous set and statistical data are recorded
• The LCD extinguishes
Recovery of the Supply Voltage
• Initialization routine is started
• The time of occurrence and the duration of the supply failure are entered into
memory
• The thermal image is calculated and updated
• All output relays return to the state before the supply failure, except for relay #2 and
#3, when control is executed via communication
• LCD and LED activate