Chapter
11
85
ML-73
□□
EL
11.1 External Input and Output (EXT. I/O)
11.1.1 Input and Output Signals
■
Input Signals
Input format:Photo-coupler input
Input rating: 24 V DC
11.1External Input and Output (EXT. I/O)
When using the EXT. I/O connector, attach the supplied ferrite core on the marker
side as shown below.
Applicable outer diameter of cable:
φ7.0
mm to
φ11.8
mm
If the ferrite core is not attached, the marker may malfunction by induction noise.
Pin No.
Signal
Signal description
1
+24 V output
Power supply for external I/O.
2
Marking start
*1
When closed, marking starts.
3
Marking stop
When closed, marking stops.
4
Laser start
When closed, the LD is activated, after which the LD activates.
5
Guide beam
When closed, the guide beam is emitted.
6
Reset errors
When closed, error output is canceled.
7
Stop serial counter
*2
When closed, the serial counter stops counting up or down.
8
Reserved
Do not use.
9
Laser stop
*3
When opened, marking operations are stopped and the LD goes out.
Inputting the error reset signal after closing clears emergency stop.
10
DI common
Common terminal for input signals.
19
0 V
Ground for +24 V DC output.
20
NC
Not used.
24
Counter reset
*3
When closed, the serial counter is reset to the minimum or maximum
value.
25
Remote/Local
control switching
*4
When closed, switches to remote control.
Ferrite core
(supplied)
Marker-side
EXT. I/O connector
Summary of Contents for ML-73 EL Series
Page 1: ...Z11OM1209102 02 Fiber Laser Marker ML 73 EL OPERATION MANUAL Original instructions...
Page 4: ......
Page 133: ...Appendix...