The Allen-Bradley 1756-IA16I/A is a ControlLogix 16-point isolated AC digital input module. It provides 16 individually isolated inputs for monitoring 120 V AC field signals and is designed for installation in a ControlLogix chassis. Rockwell Automation specifies an operating input range of 79–132 V AC at 47–63 Hz.
Features
- 16 individually isolated AC input channels
- Designed for 120 V AC field signals
- Wide 79–132 V AC operating range
- Input-to-input and input-to-backplane isolation
- Software-configurable change-of-state operation
- User-selectable input filtering
- Built-in input status indication
- Supports ±200 μs input timestamping
- Fits into a standard one-slot ControlLogix chassis
- Compatible with 1756-TBCH and 1756-TBS6H removable terminal-block housings.
Typical Applications
- ControlLogix PLC systems
- Industrial machine automation
- Motor and equipment status monitoring
- AC contactor and relay feedback
- Process-control systems
- Manufacturing automation
- Marine and offshore control systems
- Monitoring 120 V AC field devices
