Emerson VE4001S2B1 Discrete Input Card

Overview

The Emerson VE4001S2B1 is a high-performance discrete input (DI) module designed for the DeltaV™ Distributed Control System (DCS). It provides 8 channels of 24V DC dry contact inputs, enabling reliable signal acquisition from switches, relays, and sensors. The module supports fast response times and robust isolation, ensuring seamless integration in industrial environments. It communicates via RS-485 and supports MODBUS RTU protocol for efficient data transfer.

Technical Specifications

• Model: VE4001S2B1

• Type: Discrete Input Card

• Channels: 8 discrete input channels

• Input Type: 24V DC, dry contact

• Response Time: ≤ 1 ms

• Operating Voltage: 24 VDC

• Power Consumption: Approximately 2 W

• Communication Protocol: RS-485, supports MODBUS RTU

• Operating Temperature: –40°C to +70°C

• Storage Temperature: –40°C to +85°C

• Humidity Range: 5% to 95% RH (non-condensing)

• Protection Rating: IP20

• Airborne Contaminants: ISA-S71.04-1985 Class G3 (with conformal coating)

• Shock Resistance: 10 g, ½ sine wave for 11 ms

• Vibration Tolerance: 1 mm peak-to-peak (5–13.2 Hz); 0.7 g (13.2–150 Hz)

• Dimensions (HxWxD):  10.7 cm × 4.1 cm × 10.5 cm

• Weight: 1.2 kg

• Mounting Type: Panel or DIN rail