1. Basic Information

• Brand: RELIANCE Electric（also ABB / Baldor‑Reliance）

• Model No.: 0-52711-9

• Category: Industrial Control Board / Drive I/O Card

• Alias: 64‑Bit Digital Input Card, 64‑Channel Discrete Input Module, Drive Rack Input Board

• Construction: Five‑sided industrial PCB, gold‑plated edge connector, conformal coating

• Features: Plug‑in rack mount, ESD‑sensitive, high noise immunity

2. Function & Positioning

3. Core Specifications

• Input Channels: 64‑point discrete digital input

• Input Voltage: 115 VAC (standard)

• Data Interface: 64‑bit parallel, backplane edge connector

• Form Factor: 5‑sided board, no front panel

• Operating Temp: 0 °C to +55 °C

• Humidity: 5%–95% non‑condensing

• Status LEDs: Power OK, Data Valid

• Switch Settings: 8‑position DIP switches (address/function setup)

4. Compatible Accessories

• Standard Reliance drive rack / backplane

• Edge‑connector retention clips & mounting screws

• 115 VAC field wiring terminal strips

• Signal isolation relays (optional)

• Anti‑static bag (for handling/shipping)

5. Applications & Industries

• Industrial Drives: Reliance Electric, Baldor‑Reliance, ABB drive systems

• Manufacturing: Conveyors, cranes, machine tools, assembly lines

• Process Industries: Oil & gas, water treatment, pulp & paper, chemical

• Power & Energy: Power plant auxiliaries, renewable energy equipment

• Material Handling: Ports, logistics, warehousing automation

• Legacy Retrofit: Direct replacement for obsolete 0-52711 series input cards