Overview
The Square D 8030-CRM-220 is a remote interface module designed for the SY/MAX Class 8030 programmable controller family. This 4 function digital I/O rack was designed and manufactured by Square D as part of the SY/MAX 8030 series. With this module, you can remotely monitor and interface with up to 4 points on your system, providing increased control and efficiency. The 8030-CRM-220 module is meant to be used with the SY/MAX programmable controllers.
Key Features
- Five LED status indicator lights on the front labeled as “RUN,” “HALT,” “CHANNEL ERROR,” “I/O ERROR,” and “MODULE ERROR,” with the first being green and the rest red
- Capability to handle tasks from small single-machine systems to systems requiring hundreds or thousands of remote I/O and register functions; allows remote location of both register and digital racks from a SY/MAX processor unit
- Compact design allows for easy installation and integration into existing systems
- 4-function digital interface for flexible remote I/O configuration
- Terminal connectors for straightforward wiring
Technical Specifications
The 8030-CRM-220 module has an approximate total weight of 2.54 lbs or 1.15 kg. This module features five terminals on the bottom for connection to control circuits and remote I/O systems.
Typical Applications
- Remote I/O and register distribution in legacy SY/MAX 8030 systems
- Distributed process control across multiple machine stations
- Integration of remote digital input/output modules with central SY/MAX processors
- Industrial automation upgrades requiring extended remote monitoring capabilities
- Retrofit applications for existing SY/MAX-based facilities
Compatibility & Replacements
Compatible With
- Square D SY/MAX Class 8030 programmable controllers
- SY/MAX 8030 series processor units
- Remote I/O and register module configurations
- Distributed control systems using SY/MAX architecture
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Related interface modules in the SY/MAX 8030 family include the CRM-210, CRM-211, CRM-222, and CRM-510, but direct replacement compatibility should be confirmed based on your specific system configuration.
Works With
- Square D SY/MAX Class 8030 programming and configuration software
- Remote I/O terminal modules and register racks
- Local and distributed control network configurations
- Legacy industrial automation systems using SY/MAX protocol




