Product Description
Emerson VE4031S2T2B1 DeltaV Redundant Discrete Input Module
- Manufacturer: Emerson
- Model/Part Number: VE4031S2T2B1 (Alternate: KJ3201X1-BA1, 12P2535X)
- Description: Redundant Standard I/O Termination Block, Discrete Input, 8-Channel, 24 VDC, Dry Contact
Overview
- The Emerson VE4031S2T2B1 is a redundant discrete input module for the DeltaV M-series Distributed Control System. It features a redundant standard I/O termination block and supports 8-channel, 24 VDC dry contact inputs. Designed for high-reliability applications, it processes signals from field devices like switches and relays in industries such as oil and gas, chemical, and power generation, ensuring continuous operation through redundancy.
Technical Specifications
| Specification | Details |
|---|---|
| Model | VE4031S2T2B1 (KJ3201X1-BA1) |
| Series | DeltaV M-series |
| Type | Redundant Discrete Input Module, 8-Channel, 24 VDC, Dry Contact |
| Channels | 8 discrete input channels |
| Input Signal | 24 VDC, dry contact |
| LocalBus Power | 12 VDC at 100 mA |
| Field Circuit Power | 24 VDC at 75 mA |
| Weight | 0.3 kg |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Protection Rating | IP20 |
| Airborne Contaminants | ISA-S71.04-1985 Class G3, conformal coating |
| Mounting | T-type DIN rail, on I/O carrier |
| Certifications | CE, CSA, FM, ATEX, IECEx, Marine Certifications (ABS, DNV) |
| System Compatibility | DeltaV v8.3 or later |
Additional Information
- Functionality: The VE4031S2T2B1 processes eight 24 VDC dry contact discrete inputs for reliable data collection from field devices. Its redundant termination block ensures uninterrupted operation by switching to a backup module if the primary fails. The module supports hot-swappable installation, enabling maintenance without system downtime, and includes diagnostics for detecting open or short circuits.
- Environmental Durability: Designed for harsh industrial environments, the module features conformal coating to protect against airborne contaminants and operates reliably in extreme temperatures, shock, and vibration conditions.