The Opto 22 PB16AH 16-Position I/O Module Mounting Rack is a robust vintage industrial automation component engineered to provide organized, reliable interfacing for Opto 22 solid-state I/O modules and control systems. Featuring 16 clearly numbered module positions (0–15), integrated screw-terminal bus connections, 5V logic connections, COM terminals, a 2A fuse, and a substantial multi-pin interface connector, this rack is an excellent choice for industrial control restoration, PLC and automation projects, equipment repair, OEM applications, and vintage Opto 22 system rebuilds. The genuine Opto 22 construction, distinctive green PCB design, and original-era documentation/packaging make this a particularly appealing find for technicians, engineers, collectors, and anyone looking for an authentic PB16AH I/O mounting rack and terminal strip bus system.
Specifications:
- Brand: Opto 22
- Model: PB16AH
- I/O Capacity: 16 module positions
- Module Positions: 0–15
- Logic Supply: 5V Logic
- Terminal Connections: Screw-type terminal strip
- Common Connection: COM
- Protection: 2A fuse
- Interface: Multi-pin I/O connector
- PCB: Industrial-grade green printed circuit board
- System: Opto 22 PB-Series I/O
- Configuration: Modular I/O mounting and terminal bus arrangement
Applications:
- Industrial automation and process control
- PLC and computer-based control systems
- Factory automation equipment
- Industrial I/O signal interfacing
- Opto 22 solid-state I/O systems
- Machine control and monitoring
- OEM industrial control panels
- Equipment repair and replacement
- Vintage automation system restoration
- PLC/I/O system upgrades and retrofits
- Industrial electronics testing and development
- Spare parts for Opto 22 control installations
- Automation equipment maintenance
- Engineering and prototyping projects

















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