PRODUCT DESCRIPTION
ALLEN BRADLEY 198-PL21R - Programmable Limit Switch Module
The ALLEN BRADLEY 198-PL21R is a microprocessor-based programmable limit switch module designed for precise position-based control in industrial automation systems. It replaces traditional mechanical cam switches, offering enhanced flexibility and accuracy for sequencing, indexing, and motion control applications. This module integrates with external encoders to provide real-time position feedback, enabling the precise activation of 21 discrete relay outputs based on programmed angular or linear positions.
Technical Specifications:
- SERIES/FAMILY: 198 Series Programmable Limit Switch
- COMPONENT TYPE: Programmable Limit Switch Module
- ELECTRICAL SPECS:
- INPUT VOLTAGE: 24VDC (typical for control power)
- OUTPUT TYPE: Relay (Form C, based on 'R' designation)
- NUMBER OF OUTPUTS: 21 programmable relay outputs
- OUTPUT CURRENT: 2A @ 24VDC / 120VAC (typical per output)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Enclosed module for control cabinet installation
- MOUNTING: DIN rail or panel mount
- INTERFACE/CONTROL:
- FEEDBACK INPUT: Quadrature encoder input (A/B/Z) for position sensing
- PROGRAMMING INTERFACE: Discrete I/O or serial communication for configuration
- OUTPUT CONFIGURATION: Programmable ON/OFF points for each output based on position
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (typical for control cabinet components)
- COOLING METHOD: Convection cooled
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial machinery requiring precise position control, including packaging equipment, presses, material handling systems, and assembly lines
- INTEGRATION: Compatible with ALLEN BRADLEY PLC systems for coordinated control and monitoring