20
4.4
Interface Definitions
4.4.1
CTRL-INTERFACE Definitions
The CTRL-INTERFACE(DB-25) is for laser control, the designation and definition is
below
：
Figure 8 CTRL-INTERFACE
Table 7 Definitions of 24 pin Ctrl Interface
PIN
No.
Name
LineMar
k
Type
Level
Drive
Curre
nt
Typical
Respons
e Time
Description
1
Interlock2A
ITL-2A
Contact
Closure
Input
---
---
<500ms
―EN954-1‖ or‖ISO13849-1
Cat.3PLd‖.
Passive contact, not
connected to external
voltage or grounding.
2
Interlock1A
ITL-1A
3
Interlock1B
ITL-1B
4
Interlock2B
ITL-2B
5
RS232Tx
TX
---
---
---
120ms
Transmit Data
6
RS232Rx
RX
---
---
---
Receive Data
7
RS232Com
GND
Return
---
---
RS-232 Return
8
Remote Key
Switch
RPA
Contact
Closure
Input
---
---
<1s
Activates the internal
control systempower supply
in REM mode. Passive
contact, not connected to
external voltage or
grounding.
9
RPB
10
Remote Start
Button
START-
A
Instantane
ous
Contact
Closure
Input
---
---
<1s
In REM mode, start the laser
main power supply.Passive
contact, not connected to
external voltage or
grounding.
11
START-
B
12
Analog Input
to Control
Current
1-10V
Analog
Input
1-10
VDC
1 mA
100us
Analog Input 1-10 VDC=
10 – 100% Setpoint
Table 7 (Continued)
