Product Description

Model Number Interpretation

• 45C1: Base part number for AutoMate/AutoMax series I/O rail, dedicated to digital input/output expansion in Reliance PLC systems. No suffix indicates standard revision.

Technical Specifications

• Type: Digital I/O Rail (24VDC logic)

• Channels: 16 input / 16 output points

• Terminals: Integrated screw terminals (2 per channel for separate commons, optional jumper strip for linking)

• Voltage: 24VDC nominal (18–30VDC range)

• Current: 1A per channel, 8A total

• Mounting: DIN rail or panel mount

• Temperature: -20°C to +60°C operating

• Dimensions: ~48mm × 220mm × 35mm

• Weight: ~0.8kg

Interface & Configuration

• Wiring: Direct screw-terminal connection (no external terminal block needed)

• Communication: Backplane connection to AutoMax PLC CPU (no standalone comms)

• Expansion: Supports up to 8 I/O rails per PLC rack

• Commoning: Isolated commons per channel, configurable via jumpers

Core Functions

• Provides digital on/off control for industrial sensors, actuators, and relays

• Isolates I/O signals from PLC backplane for noise immunity

• Simplifies system wiring and maintenance with integrated terminals

• Enables reliable discrete control in manufacturing, material handling, and process lines

Application Scenarios

• Reliance AutoMax PLC-based automation systems

• Legacy industrial drive control (matching 422029-2A tachometer generators)

• Factory floor discrete control (conveyors, pumps, valves, limit switches)

• Replacement part for aging Reliance control systems

Usage & Maintenance

• Mount securely on DIN rail or panel; torque terminals to 0.8–1.0Nm

• Keep rail clean and dry; avoid moisture/dust buildup

• Inspect terminals quarterly for tightness and corrosion

• Disconnect 24VDC power before servicing

• Replace only with identical 45C1 units for compatibility