Product Introduction

Model Interpretation

• 57403‑E: Base model; E denotes hardware revision E (enhanced protection and components).

• 0‑57403‑E: Full AutoMax part number (leading 0 = standard I/O module).

• 57403: Product family = high‑power 115 VAC output module.

• ‑E: Revision with upgraded PCB, higher inrush tolerance, and improved surge suppression; backward compatible with earlier revisions.

Technical Parameters

• Channels: 16 independent outputs (0–15).

• Output Type: Solid‑state, 115 VAC (50/60 Hz).

• Load Voltage: 70–132 VAC.

• Rated Current: 2.0 A per channel; max total 32 A.

• Inrush Current: High inrush capacity for capacitive/inductive loads.

• Leakage Current: ≤2 mA (off‑state).

• On‑State Resistance: <10 Ω.

• Response Time: <12 ms.

• Backplane Power: +5 VDC, ~600 mA.

• Isolation: 2500 VAC field‑to‑logic; 1500 VAC channel‑to‑channel.

• Protection: Overcurrent, short‑circuit, thermal shutdown, transient voltage suppression; self‑recovery after fault.

• Operating Temperature: 0 °C to +60 °C.

• Humidity: 5%–95% non‑condensing.

• Weight: ~1.1 kg.

Interface and Communication Configuration

• Backplane Interface: Edge connector for AutoMax dedicated backplane bus; provides power and data exchange with CPU.

• Field Interface: Screw terminals (0–15) with four isolated common groups (C1–C4) (4 outputs per common).

• Indicators: 16 channel status LEDs + power/fault LED on front panel.

• Communication: No independent network ports; all I/O data via AutoMax backplane bus.

Core Functions

• Converts 5 V logic signals from PLC into 115 VAC drive signals for high‑power field devices.

• Drives motor starters, large solenoids, contactors, heaters, and high‑inrush loads.

• Provides individual channel overcurrent/short‑circuit protection with automatic recovery.

• Feeds back channel status to CPU for diagnostics and system monitoring.

• Supports hot swapping in properly configured AutoMax systems.

Application Scenarios

• Replacement/maintenance of legacy AutoMax PLC/DCS in heavy industry.

• Process control in metallurgy, paper, chemical, and power sectors.

• Driving 115 VAC high‑power devices in assembly lines, material handling, and machine tools.

• Systems requiring high isolation and high inrush current capability.

Operation and Maintenance Instructions

• Installation: Power off rack before insertion; align and seat firmly, tighten mounting screws.

• Wiring: Connect loads to 0–15 and commons to C1–C4; use rated wire gauge, avoid over‑torque.

• ESD Protection: Use anti‑static wristband/mat when handling; static may damage circuits.

• Routine Maintenance: Quarterly inspection of terminals for looseness/corrosion; keep clean and dust‑free.

• Troubleshooting: Check channel LEDs; verify load voltage/wiring before module replacement.

• Replacement: Replace entire module if internal fault; do not repair PCB.