95
C External Bus Pinout
Table 18 External bus pinout
Pin Name Description
1 NC Not connected
2 RS485- Negative (inverted) RS485 data signal
3 Interlock loop+ Positive connection of the safety interlock loop. Connect pin 3 to
pin 4 Interlock loop- to enable laser emission.
4 Interlock loop- Negative connection of the safety interlock loop. Connect pin 4 to
pin 3 Interlock loop+ to enable laser emission.
5 GND 0 volt / ground
6 GND 0 volt / ground
7 +12 V + 12 volt supply voltage for external accessories
8 +12 V + 12 volt supply voltage for external accessories
9 Emission Logic output – set high (5V) when laser emission is enabled. To
indicate laser emission using an external LED, connect the anode
of an LED to this pin. Connect the LED’s cathode to GND (pin no.
5,6, 13 or 14).
Note: The pin features a 240 Ω internal series resistor to support
connecting an LED.
10 RS485+ Positive (non-inverted) RS485 data signal
11 Not in use For future use. Do not connect this pin.
12 Interlock This pin outputs a logic high (5V) when the interlock circuit is
closed and has been reset. This signal indicates the interlock is
enabled and can be optionally used to control safety related
precautions on the External bus.
13 GND 0 volt / ground
14 GND 0 volt / ground
15 +12 V + 12 volt supply voltage for external accessories.
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