Model Number Definition

• 0-: Standard Reliance board prefix

• 60029: Series identifier (SA 3000 parallel interface card)

• 1: Hardware revision (1st version, standard communication feature set)

Technical Specifications

• Card Type: Parallel Interface / Communication Card

• Compatibility: AutoMax SA 3000 series AC/DC drives

• Data Bus: 16‑bit parallel, bidirectional

• Connector: D‑sub 25‑pin (female) on front panel

• Logic Voltage: +5 V DC (from rack backplane)

• Communication Speed: Up to 1 Mbps

• Isolation: 500 V DC (signal‑to‑backplane)

• Operating Temperature: 0–55 °C

• Storage Temperature: -20–70 °C

• Dimensions (W×H×D): Approx. 30 × 220 × 180 mm

• Weight: Approx. 1.5 kg

• Mounting: Standard slot in SA 3000 rack

• Status Indicators: 3 LEDs (PWR, ACT, FLT)

Interface & Communication

• Front Panel:

  • D‑sub 25‑pin: Parallel I/O to external PLC/controller

  • LEDs:

    • PWR (green): On = +5 V OK

    • ACT (yellow): Blinking = data activity

    • FLT (red): On = communication fault

• Backplane Edge Connector:

  • Power: +5 V, GND

  • Parallel data: 16 data lines, 4 control lines

  • Status: Fault output, reset input

• Protocol: Reliance proprietary parallel protocol (compatible with AutoMax PLCs)

Core Functions

1. Parallel Data Communication: Transmits/receives 16‑bit command, status, and setpoint data between drive and external controller.

2. Drive‑PLC Integration: Enables remote start/stop, speed reference, torque control, and fault monitoring from a host PLC.

3. Signal Conditioning & Buffering: Buffers and level‑shifts parallel signals for noise immunity in industrial environments.

4. Fault Detection & Reporting: Checks for parity errors, timeouts, and bus conflicts; reports faults to the drive and external system.

5. System Diagnostics: Provides LED status for quick troubleshooting of communication links.

Applications

• AutoMax SA 3000 Drives: High‑power AC/DC drives for metal rolling, paper machines, extruders, cranes, and conveyors.

• Legacy System Upgrades: Replaces older interface cards to restore communication with existing PLCs (e.g., Reliance Automate).

• Industrial Motion Control: Used in lines requiring fast, deterministic parallel control (vs. slower serial links).

• Plant Maintenance: Spare part for keeping aging SA 3000 drive systems operational.

Usage & Maintenance

Installation

• Install only with rack power OFF; insert into designated slot and secure with front‑panel screws. No hot‑swap.

• Ensure D‑sub connector is tightened; use shielded cable for external wiring.

Configuration

• Set drive parameters for parallel communication (baud rate, address, data format) via drive keypad or software.

• Wire external PLC to D‑sub 25‑pin per Reliance pinout diagram.

Routine Maintenance

• Every 3–6 months: Power off, clean dust from card and connector; check for bent pins on D‑sub.

• Verify LED status: PWR ON, ACT blinking during normal operation.

Troubleshooting

• No communication: Check +5 V, D‑sub wiring, drive communication parameters.

• FLT LED ON: Check for cable damage, loose connections, or PLC logic errors.

• Intermittent errors: Clean connector contacts; use shielded cable; check for EMI sources.

Storage & Shipping

• Store in anti‑static bag at -20–70 °C, dry and dust‑free.

• Ship with cushioning; avoid bending the PCB or damaging the D‑sub connector.