Bosch CL400 - ZS400 Monitor Functions; Monitoring During Start-Up

Flexible Automation
Central processing unit ZS400
4-33
1070 072 143-101
4.8 ZS400 monitor functions
Monitoring, permanent
Power supply module:
D Monitoring the input voltage for over and undervoltage
D Monitoring the +5V and +12V for over and undervoltage.
D Monitoring the temperature of the power supply module at 60 _C
+10%
Fan unit:
D Standstill of one or several fans
D Falling below the 24 V supply voltage
Monitoring during startup
D Selftest
D Comparing system modules at the system bus with entries in the SK
table
D Comparing assignment at peripheral bus with peripheral assign list
in the OM2
Monitoring of the peripheral assign list can be switched off in data
word 2 of the OM2.
D Failure of buffering for the retentive memory areas of the ZS400 by
plugging or unplugging the ZS400
D Load test of buffer battery
Monitoring, cyclic
D Monitoring the cycle time for maximum value of 2 s ±0.5 s
Below this maximum value, a further monitor can be defined in orga
nisation module OM2.
D Monitoring the assignment time at system bus for maximum 1 s
±0.5 s