A
Communication
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
