1. Model Definition

• 0-57412: Base DC drive field regulator module

• -2: Revision 2, updated hardware layout, partial conformal coating

2. Basic Specifications

• Function: Closed‑loop field voltage/current regulation for DC motors

• Calibration: 4 selectable current ranges

• Power: 5 V DC from backplane; field power external

• PWM Output: Up to 50 kHz

• Operating Temp: 0 °C to +60 °C

• Storage Temp: −40 °C to +85 °C

• Dimensions (W×H×D): 32 × 298 × 187 mm

• Weight: ~0.71 kg

• Conformal Coating: Partial (Rev 2 upgrade)

• Manual: J-3610 / J-3640 (supplement)

3. Interfaces & Communication

• P6 (9‑pin D‑Sub): Isolated armature voltage feedback

• P5 (9‑pin D‑Sub): To field power module

• P4 (25‑pin D‑Sub): PWM output to field winding

• Backplane: AutoMax DCS 5000 system bus

• Status LEDs: Power, OK, Fault, Field Drive Active

4. Key Functions

• Constant field current control for stable torque/speed

• High‑frequency PWM for efficient excitation

• Isolated armature voltage feedback for accuracy under load

• Four current ranges for motor matching

• Overcurrent, open‑circuit, power fault detection

• Improved layout and partial coating vs Rev 1

5. Applications

• AutoMax DCS 5000 DC motor field control

• Rolling mills, extruders, paper machines

• Replacement for 0-57412-1; upgrade path to -D/-E

• Legacy systems needing stable field regulation

6. Revision Comparison

• -1: Rev 1, no coating, early layout

• -2: Rev 2, partial coating, updated components

• -D: Rev D, full coating, enhanced protection

• -E: Rev E, final mainstream, full conformal coating