Overview
The Banner CM3RA is a stand-alone MAXI-AMP sensor control module designed for photoelectric sensor systems. This versatile amplifier combines a power supply, photoelectric amplifier, programmable timing logic, and electromechanical relay output in a single compact module. The CM3RA uses Banner’s custom-designed CMOS modulator/demodulator/amplifier circuit, offering high immunity to both ambient light and electrical interference, making it ideal for industrial automation and process control applications where reliable sensor detection is critical.
Key Features
- Programmable for LIGHT or DARK operate and either high or low hysteresis
- Input response time selectable at 0.3, 2, or 10 milliseconds
- SPDT electromechanical relay with 250V AC max, 24V DC max, 5 amps maximum contact rating
- High immunity to ambient light and electrical interference
- Alignment Indicating Device (AID™) system for easy setup
- Compact plug-in module design for easy installation
Technical Specifications
- Input Voltage: 105–130V AC / 12–28V DC
- Input Current: 70 mA (remote sensor)
- Output: SPDT electromechanical relay + SPST NPN on/off (no timing)
- Relay Contact Rating: 250V AC max, 24V DC max, 5 amps (resistive load)
- Series: CM Series (MAXI-AMP)
- Sensor Compatibility: Remote photoelectric sensors
- Operating Mode: Programmable light or dark operate
- Response Time Options: 0.3, 2, or 10 milliseconds
- Country of Origin: United States
Typical Applications
The Banner CM3RA is well-suited for:
- Photoelectric sensor detection and control in manufacturing and packaging lines
- Position sensing and object detection systems
- Automated machine guarding and safety systems
- Material handling and sorting applications
- Industrial process control where reliable amplification of photoelectric sensor signals is required
Compatibility & Replacements
Compatible With
- Banner photoelectric sensors (remote type)
- Multi-Beam sensor systems
- Industrial control systems using 105–130V AC or 12–28V DC power
- PLC and industrial automation systems via relay contacts
Replaces / Drop-In Replacement For
The CM3RA is part of the Banner CM Series amplifier family. Other modules in the series (CM3RB, CM5RA, CM5RB) may share similar form factors, but verify compatibility with your system integrator before ordering for direct replacement applications.
Works With
- Banner Multi-Beam photoelectric sensor families
- Industrial control relays and PLC discrete I/O
- 24 VDC and 110 VAC industrial control systems
- Standard screw-terminal wiring and DIN-rail mounting systems












