1. Product Model

2. Brand

3. Product Category

4. Alias

• Official: LSCA – Logic Signal Conditioning Board

• Other: Tach/Reference/Armature Voltage Calibration Board, Signal Conditioning Card

5. Basic Information

• Manufacturer: Reliance Electric (USA)

• Form factor: 19” rack‑mount plug‑in card (Cardpack chassis)

• Status: Obsolete / Discontinued (used, refurbished, surplus only)

• Weight: approx. 0.45 kg (1 lb)

• Faceplate: 3 rotary dials (0–10 scale), board number, Reliance logo, two mounting screws

• NSN: 5998‑01‑094‑2842

6. Function & Positioning

• Core Function: Conditions and calibrates logic-level control signals for DC drives

  • Tach Calibrate: Adjust tachometer feedback signal gain

  • Reference Calibrate: Trim speed reference signal accuracy

  • Arm. Volt. Calibrate: Set armature voltage feedback scaling

• Positioning: Precision calibration interface for Reliance MaxPak/PRL DC drives; ensures accurate speed and voltage regulation

7. Core Performance Parameters

• Input: Low‑level logic/feedback signals (tach, reference, armature voltage)

• Output: Conditioned, calibrated signals to drive regulator board

• Adjustment: 3‑turn rotary dials (0–10) for independent calibration

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -40°C to +85°C

8. General Matching Accessories

• Drive main control board

• Shielded signal cables

• Rack mounting hardware

• Calibration tool (screwdriver)

9. Applicable Equipment & Industry

• Applicable Equipment:

  • Reliance MaxPak DC drives

  • Legacy PRL and Cardpack systems

  • Large industrial DC rectifier drives

• Applicable Fields:

  • Steel rolling mills

  • Paper & converting machines

  • Mining & material handling

  • Heavy‑duty industrial automation