Cognex DS900 Series, Reference Information

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TTL (LLL) Level
The multifunction port can be used with any of the following configurations:
Configuration In1 In2 In3
0 Encoder with index, positive edge works with the index
1
N A B
1 Encoder without index, additionally line trigger possible
2
Trigger A B
2 Line trigger Trigger
3 Line trigger, load up to 4 user modes Trigger Mode Bit 0 Mode Bit 1
4 Load up to 8 user modes Mode Bit 0 Mode Bit 1 Mode Bit 2
5 Transmit in time stamp Bit 0 Bit 1 Bit 2
Note :
l
Use a shielded cable with twisted wires.The shielded Multifunction cable (CCB-2901868-05) is
recommended. It uses an M12-12 connector with male pins, providing access to trigger and inputs.
l
If the sensor is connected to a network adapter/switch that is capable of PoE and if you also use the power
supply of the multifunction port, these two power supplies have to be galvanically isolated.
1
The encoder input counts each edge. Quadrature encoders typically output 4 edges per encoder step.
2
The encoder input counts each edge. Quadrature encoders typically output 4 edges per encoder step.
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Switching Inputs