Festo CPX-CTEL-4-M12-5POL, Description

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2 System overview, CTEL system
Festo – P.BE-CPX-CTEL-EN – 1601b – English 17
Setting the I/O mode
DIL switch group 1 S1.1 S1.2 Function
OFF OFF Module unused
1)2)
OFF ON Operation as pure output module
ON OFF Operation as pure input module
ON ON Mixed operation (inputs and outputs)
1) Factory setting
2) No devices connected; DIL switch group 2 without function
Tab. 2.5
If the CTEL master module is not used, i.e. there are no devices connected, DIL switch
group 2 has no function and the I/O length is automatically set to 0 bytes in each case.
Setting the I/O length
DIL switch group 2 S2.1 S2.2 Function
OFF OFF 8 bytes I/Os (2 bytes per I-Port)
1)
OFF ON 16 bytes I/Os (4 bytes per I-Port)
ON OFF 24 bytes I/Os (6 bytes per I-Port)
ON ON 32 bytes I/Os (8 bytes per I-Port)
1) Factory setting
Tab. 2.6
The I/O length specified always applies for all 4 I-Ports (max. 8 bytes per I-Port).