Part Number Definition

• 0-57408-D

  • 0-57408: Base AutoMax power/drive interface card

  • D: Revision D (final production revision, enhanced environmental & firmware specs)

• Full name: Power Module Interface Module for AutoMax / DCS 5000

• Compatibility: Drop-in replacement for 0-57408-1/1A/1B/1C/B; fully compatible with 0-57407 CPU series, 57C493 power supply, and standard AutoMax drive modules.

Technical Specifications

• Manufacturer: Reliance Electric (now Rockwell Automation)

• Function: Isolates, routes, and conditions power/control signals between CPU, power module, analog I/O, and drive controller.

• Front Panel:

  • 3 × RS-232 DB9 female: TO POWER MODULE, TO ANALOG I/O, TO DRIVE CONTROLLER

  • 4-position CURRENT CALIBRATION terminal block

• Operating Voltage: 120 VAC / 24 VDC

• Operating Temperature: -10°C to +60°C (extended range vs. Rev B)

• Isolation: 2500 VAC optical isolation (channel-to-channel)

• Conformal Coating: Yes (added in Rev D for harsh environments)

• Dimensions: 342 × 205 × 30 mm (1.25” slot)

• Weight: Approx. 0.76–1.0 kg

• Protection: IP20

• Power Consumption: ≤ 18 W

Front Panel & Indicators

• No LEDs or display; ports/terminals clearly labeled.

• Supports hot-swap installation/removal.

Key Features

• Central galvanic isolation and signal routing for power, analog, and drive control signals in AutoMax racks.

• Dedicated current calibration terminal block for on-site drive loop tuning.

• Three isolated RS-232 ports for reliable serial communication.

• Standard AutoMax backplane form factor, no adapter needed.

• Revision D upgrades:

  • Extended temperature range (-10°C to +60°C)

  • Conformal coating for dust/moisture resistance

  • Firmware optimization for higher noise immunity and system stability

Revision Comparison (0-57408 Series)

• 0-57408-1: Original, 0–60°C, no coating

• 0-57408-1A: Minor firmware tweak

• 0-57408-1B / B: PCB/firmware optimization, 0–60°C, no coating

• 0-57408-D: Final revision, -10–60°C, conformal coating, enhanced firmware

Applications

• System: Reliance AutoMax / DCS 5000

• Industries: Metallurgy, pulp & paper, water treatment, power generation, offshore/harsh manufacturing

• Use: Drive system integration, multi-motor control, analog signal conditioning, power module coordination in DCS racks.

Installation & Maintenance

• Install into an empty AutoMax backplane slot, secure latches, connect RS-232 cables and calibration wiring.

• Quarterly: Check cables and mounting hardware.

• Biannually: ESD-safe cleaning of connectors and panel.

• Interchangeable with all 0-57408 revisions; no program changes required.