MBZ300
25
Module description
6
Module description
6.1 Power module PM
Functions:
à
Monitoring of the mains power supply
à
Checking of the battery charge voltage
à
Switching over to battery operation in case of power failure
à
Connection for sensor used to monitor the battery
temperature
à
VdS tested
1
Operation (green)
2
Status (green)
3
Fault (yellow)
a
s
d
MBZ300
PM
230V
24V
230V
Displays
Symbol
Status
Mode of operation/fault
230V
24V
230V
green, steady lights
Mains operation
24V
230V
230V
green, flashes briefly (0.1 s)
off
Battery operation
230V
off
Power failure; voltage supply too low
230V
green, flashes rapidly
Communication fault BUS connection
24V
230V
off
System out of operation or system volt-
age OFF (deep discharge protection)
yellow, steady light
Fault; fuse or charging circuit defective
yellow, flashes slowly
Fault; no battery connection or fuse
with
PME
defective
yellow, flashes rapidly
Fault; system voltage switched off due
to overload
230V
24V
230V
green, steady lights
yellow, flashes slowly
Connection to
PME
interrupted (sys-
tem switches to battery operation)
The yellow fault display reacts with a delay of approx. 30 seconds.
Summary of Contents for MBZ300
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