
B–63833EN–1/02
2. PREPARATIONS FOR OPERATION
123
When an alarm is triggered in the CNC, the alarm is displayed on the
screen, and the alarm signal is set to 1.
If the voltage level of the memory backup battery falls to below a specified
level while the CNC is turned off, the battery alarm signal is set to 1.
[Classification] Output signal
[Function] The alarm signal reports that the CNC is in an alarm state.
The following are the alarms that may be issued:
(a) TH alarm
(b) TV alarm
(c) P/S alarm
(d) Overtravel alarm
(e) Overheat alarm
(f) Servo alarm
[Output condition] The alarm signal is set to 1 when:
– The CNC is placed in the alarm state.
The alarm signal is set to 0 when:
– The alarm has been released by resetting the CNC.
[Classification] Output signal
[Function] The battery alarm signal indicates that the voltage of the battery for the
memory has fallen to below a specified level while the CNC is off. In
general, this signal is used to turn on an LED to notify the operator.
[Output condition] The signal is set to 1 when:
– The battery voltage has fallen to below the specified level.
The signal is set to 0 when:
– The battery voltage has risen to the specified level or higher.
#7
F001
#6 #5 #4 #3 #2
BAL
#1 #0
AL
2.4
ALARM SIGNAL
General
Signal
Alarm signal
AL<F001#0>
Battery alarm signal
BAL<F001#2>
Signal address