Appendix A - SMC-IO-01 Auxiliary I/O Module
1040-0011 Revision 54
5 APPENDIX A - SMC-IO-01 AUXILIARY I/O
MODULE
5.1 INTRODUCTION
The Auxiliary I/O module provides additional digital I/O capability to the SMC, and exposes the SMC
digital signals using 3.5mm Phoenix Contact industrial-automation-style connectors. The Auxiliary
I/O module can be attached to the SMC main module as a plug-in daughter card or via ribbon cables.
It has the following features:
• 16 optically isolated, 24V-compatible inputs on two 12-pin plug-in Phoenix Contact strips
• 16 open-collector 5- to 24V-compatible outputs on two 12-pin plug-in Phoenix Contact
strips
• Two XY2-100-compatible 25-pin D-Sub connectors for dual scan head operation
• Console COM port access via one 9-pin D-Sub male connector
• RS-485 smart-stepper COM access in a 5-pin plug-in Phoenix Contact strip
• Two step-and-direction motor control ports in dual 5-pin plug-in Phoenix Contact strips
• Two MOTF encoder inputs in dual 10-pin plug-in Phoenix Contact strips
• SMC system control and status pins in dual 10-pin plug-in Phoenix Contact strips
Mating connectors for the 3.5mm Phoenix Contact strips are available from many sources. The
screw-type mating connector number is MC 1,5/xx-ST-3,5 where xx is the number of pins.
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