Hardware reference guide

Modicon Quantum Overview
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Quantum Intelligent/Special Purpose I/O Modules
Overview
Quantum Intelligent/Special Purpose I/O modules operate with minimum
intervention from the Quantum controller after initially downloading module
parameters or programs. The Quantum intelligent/special purpose I/O modules
include the following.
z High Speed Counter modules (EHC)
z ASCII Interface module (ESI)
z High Speed Interrupt module (HLI)
z Single Axis Motion Modules (MSx)
z Multi-Axis Motion Modules (MMS)