57407
Description
1. General Information
Part Number: 57407 (0-57407-4H/4J, 57C407)
Manufacturer: Reliance Electric (Rockwell Automation / Baldor)
Series: AutoMax PLC / DCS 5000 Distributed Control System
Type: 68000 CPU Processor Module
Application: Main processor for DCS 5000; executes control programs, data processing, network communication
Status: Obsolete (discontinued); refurbished/surplus available
Mounting: AutoMax 6/10/16‑slot rack, plug‑in backplane
Manual: D‑2712
2. Electrical Specifications
Backplane Supply: +5 VDC, ±12 VDC
Power Supply Requirement: Must use with 57C493 power supply
Processor Core: Motorola 68000 CPU
Communication Ports: 2 × RS‑232 (female D‑sub) – for programming & local communication
LED Indicators:
Green OK LED (status)
2 × FAULT CODE LEDs (1st / 2nd fault detection)
Power Dissipation: ≤ 12 W
3. Mechanical Characteristics
Form Factor: Slim AutoMax plug‑in module
Dimensions (W × D × H): 31.8 × 187.3 × 38.1 mm (1.25 × 7.375 × 1.5 in)
Weight: Approx. 0.9 kg (2.0 lbs)
Front Panel: OK LED, 2 fault code indicators, 2 RS‑232 ports
Connection: Rear gold‑finger edge connector (backplane); front RS‑232 ports
Coating: Conformal coated (moisture/dust resistance)
4. Environmental Ratings
Operating Temperature: 0 °C to +55 °C
Storage Temperature: -20 °C to +70 °C
Humidity: 10%–90% RH, non‑condensing
Altitude: Up to 3,000 m (10,000 ft)
Certifications: UL, CSA, CE (original standards)
5. Key Features
Dedicated 68000 CPU for DCS 5000 system control
Dual RS‑232 ports for programming & HMI connection
Two‑stage fault code detection for advanced diagnostics
Hot‑swap capable (replace without system shutdown)
Processor mixing not allowed: All CPUs in rack must be 57407
Fully compatible with AutoMax racks & DCS 5000 I/O modules
6. Compatibility
Racks: AutoMax 6‑slot, 10‑slot, 16‑slot racks
Power Supply: 57C493 (mandatory)
I/O Modules: 57401, 57405, 57406, 57408 series
Replacement: 57407‑4H/4J & 57C407 fully interchangeable
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