ACommunication
E
Ref. DCD01/3078 - TD412_en_C
36/62
Input / Output characteristics
Number Function Type Comments
1 - 20 Emergency stop A Dry contact
Input
Use and synchronize the 2 emergency stop
lines; failure to do so might cause a fault in
the CCU.
2 - 21 Emergency stop B Dry contact
Input
3 - 22 Interlock A Dry contact
Input
Use and synchronize the 2 interlock lines;
failure to do so might cause a fault in the
CCU.
4 - 23 Interlock B Dry contact
Input
5 - 24 Stop marking Dry contact
Input
Used to stop the marking cycle at any time.
Contact opening: stop marking
6 - 25 Start marking Dry contact
Input
Used to start up marking.
Contact closing: start marking
7 Not available
8 - 29 Shutter command Dry contact
Input
Pulse control to change the status of the shut-
ter
9 - 26 + 24 V DC / Grounding - 0 V 9 - Positive potential
26 - Negative potential
Maximum current: 500 mA (in total for all the
+ 24 V DC pins)
The grounds are shared by pins 26-27-28.
10 - 27 + 24 V DC / Grounding - 0 V 10 - Positive potential
27 - Negative potential
11 - 28 + 24 V DC / Grounding - 0 V 11 - Positive potential
28 - Negative potential
12 - 30 Key contact Dry contact
Input
Contact closing: key at position 1
13 - 31 Information - "Laser" alarm 13 - Output NPN+
31 - Output NPN-
Transistor closed: Laser source fault
14 - 32 Information - Ready to mar-
king
Dry contact
Output
Closed contact: file loaded - Waiting for start
marking
15 - 33 Information - Marking in
progress
Dry contact
Output
Closed contact: marking in progress
16 - 34 Information - Shutter’s con-
dition
16 - Output NPN+
34 - Output NPN-
Transistor closed: shutter open
Open transistor: shutter closed
17 - 35 Information - Key state 17 - Output NPN+
35 - Output NPN-
Transistor closed: key at position 1
Open transistor: key at position 0
18 - 36 Information: Emergency
stop
Dry contact
Output
Closed contact: emergency stop activated
19 - 37 Safety circuit reset Dry contact
Input
Contact closing: safety circuit reset
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