Amada ML-2550A, Operation Manual

Page: 142 / 229

142
ML-2550A/2551A
4. Programming
⇒
In more than 250 ms after a beam select signal input or in more than the time set
on the MEMORY SWITCH screen after the setting of welding conditions, close
the LASER 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. As the laser start acceptance time, 0.1 ms,
1.0 ms, 4.0 ms, 8.0 ms, or 16.0 ms can be selected by displaying the MEMORY
SWITCH screen from the INITIALIZE screen. For details, refer to Chapter 2, "3.
Changing the Acceptance Time for Laser Start Signal/Schedule Signal" on page
111.
⇒
Be sure to put the laser start pin in a closed circuit at least the time set on the
MEMORY SWITCH screen.
7
Setting Output Schedules (SCH.#02)
(1) Set the SCHEDULE number by combining pin No.29 to pin No.33 of the EXT.I/O
(1) connector. In this example, put pin No.29 of the EXT.I/O (1) connector to an
open circuit to turn OFF SCH.#01, and put pin No.30 in a closed circuit to turn on
SCH.#02.
⇒ Refer to "SCHEDULE Number Selection" on page 131.
8
Outputting Laser Light
(1) Put pin No.20 (Laser start) of the EXT.I/O (1) connector in a closed circuit.
Laser light is output simultaneously from BEAM1 and BEAM2.
⇒
The details are the same as Step
6
.
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 light)
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/
trouble output
Monitor normal/
trouble output
The time set on the MEMORY SWITCH
screen
50 ms
0.02 ms or more
16.0 ms or more
Output
40 ms
Output
16.0 ms or more
31 sec. max.
16.0ms or more
250 ms or more
Completion of charging
Over the time set on the MEMORY
SWITCH screen
↓ ↓ ↓
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 MEMORY
SWITCH screen
50 ms
16.0 ms or more
Output
50 ms
Output
31 sec. max.
16.0ms or more
16.0ms or more
40 ms or more
150 ms or more
Completion of charging
↓