Cognex DMA-EZCCM-001, User Manual

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Byte Description Bit Description Comment
7
Data Block
Size ACK
0 ... 3
Data Block Size Ack
0 = 16 bytes (default)
1 = 32 bytes
2 = 64 bytes
3 = 136 bytes
4 = 232 bytes
4
5
6
7
Reader 2 Disabled
0 = Reader 2 Enabled (default)
1 = Reader 2 Disabled
8 ...
239
ResultData
---
Output is viewed from PLC perspective and shows data from PLC -> DMA-EZCCM-001
Control User Data Total Size
OUTPUT 8 bytes
16 bytes 24 bytes
32 bytes 40 bytes
64 bytes 72 bytes
136 bytes 144 bytes
Byte Description Bit Description Comment
0 Trigger Control
0 Trigger Enable
0 = Trigger via PhotoEye
1 = Trigger via Fieldbus
1 Trigger
0 = Trigger OFF
1 = Trigger ON
* only when Trigger Enable == 1
2
3
4 Force Run Mode
0 = Allow to open Setup Tool Connection
1 = Block Setup Tool Connection and stay in Run
Mode
5 Trigger Setting
0 = Individual Trigger per reader
1 = Trigger = triggers both readers
* Only for Trigger 2
6 Trigger Pin
0 = Pin 4 IN1
1 = Pin 2 IN2
7 Trigger Edge
0 = Rising edge
1 = Falling edge
1 Result Control
0 Results Ack Bit is used to acknowledge that the PLC has
successfully read the last result data. When set to true
the ‘Result Available’ bit will be cleared.
1
2
3
4
5
6
7
26
Getting Started