A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Product Introduction
The Emerson VE4021 KJ2004X1‑BA1 DeltaV Remote Interface Unit (RIU) is a rugged I/O interface designed to extend DeltaV™ distributed control system connectivity into remote areas of a plant or facility. It provides reliable acquisition and transmission of digital and analog signals from field devices back to the central DeltaV controller. By reducing long cable runs and enabling distributed I/O architectures, this module enhances system flexibility, cuts installation costs, and improves overall system robustness.
Engineered for demanding industrial environments, the VE4021 combines dependable hardware with seamless DeltaV integration. Its modular build simplifies installation and maintenance efforts, making it a trusted choice for process and discrete control applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Series | DeltaV™ |
| Model Number | VE4021 KJ2004X1‑BA1 |
| Module Type | Remote Interface Unit |
| I/O Support | Multiple digital and analog I/O interfaces (system dependent) |
| Communication Interface | DeltaV backplane / network |
| Mounting | Panel or DIN rail (system carrier) |
| Operating Temperature | –20 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 5–95 % non‑condensing |
| Protection Rating | IP20 (indoor enclosure) |
| Power Supply | 24 V DC nominal |
| Dimensions (H × W × D) | ~200 × 100 × 60 mm |
| Weight | Approx. 1.2 kg |
