136
ML-5120A
3. Connector Functions
Pin No. Description
2
LASER START
When Pin 3 is closed, the laser beam is output. Make sure that the circuit is left closed
for at least the time set on the CONFIG screen. When the signal is input repeatedly,
make sure that the circuit is left open for at least the time set on the CONFIG screen be-
tween each input.
3
LASER STOP
When outputting the laser using Pin 2, close this pin.
For the repeated output for which the number of outputs is set in "REPEAT" on the
SCHEDULE screen, the laser output is stopped by closing the pin during a laser output.
The closed circuit time should be 1 ms or more.
4
LD power supply ON/OFF
When this pin is closed, the LD power supply is turned ON.
When this pin is opened, the LD power supply is turned OFF.
5
Guide beam
While this pin is closed, the guide beam is output.
6
TROUBLE RESET
If trouble arises, an alarm is activated. When the cause of trouble has been eliminated
and this pin is closed, the alarm will be canceled.
7
Unused
Do not connect anything.
8
Unused
Do not connect anything.
9
Old emergency stop (LASER STOP)
When this pin is opened, the equipment is brought to an emergency stop, which is in the
same state as the CONTROL keyswitch is OFF.
<Note>
This pin can be used only when replacing our old products. Use the E-STOP
connector for the emergency stop signal in accordance with machine safety
standards.
10 Input COM
19
0 V OUT
Power supply for external input signals. This pin is exclusively used for the ML-5120A.
Do not use it for any other purpose.
24
Unused
Do not connect anything.
25
CONTROL CHANGEOVER
While this pin is closed, the external input signals are eective.
Output Pins of EXT. I/O (1) Connector
Pin No. Description
11
LD power supply preparation
While the LD power supply is on, this pin is closed internally.
12
Reserve
For scanner processing. Do not connect anything.
13
Ready
When the laser can be output and a valid schedule is selected, this pin is closed inter-
nally.
14
Trouble
If trouble arises, this pin is opened internally until it is reset.
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