Emerson 2840A13G06 Product Description

Overview

Key Features

• Q‑Line Quad Digital Input Architecture: Four fully isolated input channels engineered for WDPF and Ovation DCS platforms.

• Galvanic Isolation per Channel: 1500 V AC channel‑to‑backplane isolation eliminates ground loops and electrical interference, ensuring signal integrity in noisy industrial environments.

• Broad Signal Compatibility: Accepts dry contact, wet contact, and 24 V DC input signals, supporting direct connection to switches, relays, and sensor contacts.

• Rugged Industrial Construction: High‑grade PCB with a durable metal enclosure provides resistance to vibration, dust, moisture, and temperature extremes.

• Hot‑Swappable & Rack‑Mountable: Standard DCS rack form factor allows replacement during operation without system shutdown.

• Seamless System Integration: Fully compatible with Westinghouse WDPF I/II and Emerson Ovation DCS for direct drop‑in replacement.

• Onboard Diagnostic LEDs: Channel‑level status and fault indicators enable quick troubleshooting and maintenance.

• 24/7 Continuous Operation: Designed for long‑term reliability in power, chemical, and oil‑gas facilities with minimal failure rates.

Technical Specifications

• Manufacturer: Emerson (formerly Westinghouse)

• Model Number: 2840A13G06

• Product Type: Q‑Line QDI Card / Quad Digital Input Module

• Compatible Systems: Westinghouse WDPF DCS, Emerson Ovation DCS

• Input Channels: 4 isolated digital input channels

• Input Signal Types: Dry contact, wet contact, 24 V DC

• Isolation Voltage: 1500 V AC (channel‑to‑backplane)

• Input Impedance: High impedance to minimize loading of field devices

• Operating Temperature: –20 °C to +60 °C (–4 °F to +140 °F)

• Relative Humidity: 5 % to 95 % non‑condensing

• Enclosure: Industrial metal casing

• Weight: Approximately 1.42 kg (3.13 lbs)

• Dimensions: Standard DCS rack‑mount form factor

• Compliance: Meets industrial safety and EMC standards for process control equipment

Applications

• Power Generation: Thermal, combined‑cycle, and nuclear plants for boiler status, turbine interlocks, and safety system inputs.

• Chemical & Petrochemical Plants: Monitoring valve positions, pump status, and safety interlocks in production and storage areas.

• Oil & Gas: Refineries, offshore platforms, and gas processing plants for discrete signal acquisition and system coordination.

• Water Treatment: Pump status, valve position, and alarm signal monitoring in municipal and industrial water facilities.

• Metallurgy: Steel mills and metal processing plants for furnace interlocks, rolling mill status, and production line safety signals.

Installation & Integration

Maintenance & Support

• Routine Maintenance: Inspect for physical damage, dust accumulation, and loose connections; verify LED status indicators periodically.

• Repair Services: Authorized providers offer standard (2–4 weeks) and rush repair options for faulty units.

• Warranty: Typically covered by a 12‑month warranty against manufacturing defects (terms vary by supplier).