0-55329-7
Description
Model Definition
0-55329-7: Full part number (Main Control/Regulator Board)
Alternative IDs: 0553297, O-55329-7
Status: Discontinued; no direct OEM replacement
Cross-Reference: Exact part match required; no drop-in equivalent
Family Note: 0-55329-x series for GV3000 regulation/control functions.
Technical Specifications
Form Factor: 3U PCB (≈248 × 171 mm)
Weight: ~0.55 kg
Logic Power: ±15 VDC, +5 VDC (regulated)
Control Signals: 0–10 VDC analog I/O, 24 VDC digital I/O
On-Board Components: 12+ ICs, 7 potentiometers, 1 relay, 1 LED indicator
Terminals: 20-screw terminal strip (front edge) for I/O connections
Protection: Overvoltage, undervoltage, overcurrent, thermal fault monitoring
Operating Temp: 0 °C to +55 °C
Mounting: 3U rack, goldfinger edge connector (backplane interface).
Interfaces & Communication
Backplane: 3U edge connector (power + control data exchange)
I/O Terminal Strip: 20 numbered screw connections for field wiring
Power Stage Link: Flat cables to gate driver boards (0-55325-x series)
Operator Interface: Ribbon cable to keypad/display
Diagnostics: Single power/fault LED; potentiometers for calibration
No Network: Hardwired I/O only (no fieldbus onboard).
Key Features
Central Regulation: Core speed/torque control for GV3000 drives
Signal Conditioning: Analog/digital conversion and noise filtering
Fault Management: Detects and reports power stage/input faults
Calibration Access: Seven potentiometers for fine-tuning drive parameters
3U Rack Compatibility: Directly interchangeable in GV3000 3U enclosures.
Application
Drive Systems: Reliance GV3000 series (230/460/575 VAC, 5–200 HP)
Industries: Conveyors, pumps, fans, extruders, machine tools, material handling
Function: Main control logic for V/Hz and vector-mode AC drives.
Compatibility
Compatible Drives: GV3000 (5–200 HP, 230/460/575 VAC)
Rack: Standard 3U GV3000 drive rack
Series: Works with 0-55325-x gate driver boards and other GV3000 peripherals.
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