4. Programming
151
ML-5120A
Chapter 4 Laser Processing by External Input/ Output Signals (EXTERNAL CONTROL)
Introduction Part Operating Part Maintenance Part Appendixes
Installation and
Preparation Part
⇒
In more than 150 ms after a shutter open signal input or in more than the time set
on the CONFIG screen after the setting of processing conditions, close the LA-
SER START pin.
⇒
At delivery, the laser start acceptance time (time from a signal input till an actual
output of laser light) is set to 16 ms. Set the close circuit time referring to this
value. As the laser start acceptance time, 0.1 ms, 1 ms, 2 ms, 4 ms, 8 ms, or 16
ms can be selected by displaying the CONFIG screen. For details, refer to Chap-
ter 2, "7. Changing the Acceptance Time for Laser Start Signal/Schedule Signal"
on page 121.
⇒
At delivery, the output time for the end signal and the monitor normal/trouble sig-
nal is set to 20 ms. 20 ms, 30 ms, or 40 ms can be selected by displaying the
CONFIG screen.
⇒
Be sure to put the laser start pin in a closed circuit at least for 20 ms.
6
Setting Output Schedules (SCH.#02)
(1) Set the SCHEDULE number by combining pin No.27 to pin No.34 of the EXT. I/O
(2) connector. In this example, put pin No.27 of the EXT. I/O (2) connector to an
open circuit to turn OFF SCH.#01, and put pin No.28 in a closed circuit to turn on
SCH.#02.
7
Outputting Laser Light
(1) Put pin No.2 (Laser start) of the EXT. I/O (1) connector in a closed circuit.
Laser light is output from Beam 1.
⇒
The details are the same as Step 5.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Laser output
End output
Control switching
input
Ready output
SCHEDULE 1
input
SCHEDULE 2
input
BEAM SELECT 1
input
BEAM SELECT 2
input
Laser start input
HV-ON
OFF input
External input
acceptable input
(Laser light)
End output
SCHEDULE 1
input
SCHEDULE 2
input
Laser start input
Monitor normal/
trouble output
Monitor normal/
trouble output
Over the time set on the CONFIG screen
20ms or more
Output
50ms
Output
16.0ms or more
31 sec. max.
16.0ms or more
40ms or more
150ms or more
Completion of charging
↓
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Laser output
End output
Control switching
input
Ready output
SCHEDULE 1
input
SCHEDULE 2
input
BEAM SELECT 1
input
BEAM SELECT 2
input
Laser start input
HV-ON
OFF input
External input
acceptable input
Laser output
End output
SCHEDULE 1
input
SCHEDULE 2
input
Laser start input
Monitor normal/
abnormal output
Monitor normal/
abnormal output
Over the time set
on the CONFIG
screen
50ms
16.0ms or more
Output
50ms
Output
31 sec. max.
16.0ms or more
16.0ms or more
40ms or more
150ms or more
Completion of charging
↓
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