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8 Monitoring
8.3.3 List of alarms
06.90
8.3.3
List of alarms
1
Battery alarm
Back-up battery voltage
too
low
-
On POWER ON
-
Cyclic
Replace battery
(see
Section
7.2.1).
Battery voltage has dropped so low
that backup of the
user
memory
can
only guaranteed for a short time.
Replace battery
(see
Instruction Manual), old batteries
must
be disposed
of separately.
Do
not
switch off
the control, otherwise data will be lost.
Cause:
Scan:
Explanation:
Remedy:
Caution
/
2
Operator panel
error
Cause:
Scan:
Keyboard is
not
ready, cable damaged
Cyclic
3
PLC
stop
Cause:
Scan:
Effect:
PLC
not
operational
Cyclic
Interlocking
of NC START
Setpoint relay drop
(setpoint 0)
Removal of NC READY 2.
Servo
enable is removed in MD
1
56 after delay
has elapsed
(servo
enable relays drop
out)
NC/PLC interface
is
put
into the inactive
state
Cyclic and alarm-controlled operation of PLC interrupted. It is
not
possible to traverse the machine.
Use
the programmer
to
read out the cause of the interruption
(USTACK).
Explanation:
Remedy:
4
Invalid unit system
On POWER
ON
After modification of MD
Conversion factor
taken as
1
In MD NC 5002 an illegal combination of measuring
system
unit
(position resolution) and input
unit
system (conversion
factor
greater
than
10)
was selected.
Correct MD bit 5002 and switch control on/off.
Scan:
Effect:
Explanation:
Remedy:
8-5
©
Siemens AG 1990 All Rights Reserved
6ZB5 410-0EE02
SINUMERIK
805,
SW2
(BA)
r.
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- Switching the Control on and off
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