Description
Emerson VE4002S1T2B5 is a 32 – channel 24V DC high – side discrete output (DO) card, a core component of the Emerson DeltaV Traditional I/O series, designed to reliably drive on – site discrete devices like valves, relays, and motor starters in harsh industrial process control scenarios. Emerson VE4002S1T2B5 offers a high – density channel layout, enabling 32 independent output channels in a compact DIN – rail – mountable form factor, which effectively reduces the control cabinet space occupation and installation costs. Each channel of Emerson VE4002S1T2B5 supports a 2A output current, and the card has a total power consumption of 80W, capable of stably driving multiple heavy – load on – site devices simultaneously. Emerson VE4002S1T2B5 is seamlessly integrated with the DeltaV DCS, supporting unified configuration and diagnostics via DeltaV software, which helps maintenance personnel quickly locate and resolve channel – related faults. The industrial – grade design of Emerson VE4002S1T2B5 allows it to operate normally in the temperature range of – 40°C to +70°C, and its IP20 protection rating and high – side switching design enhance the anti – interference ability and operational safety of the module, making it a reliable choice for critical control links in the oil and gas, chemical, and power generation industries. In addition, Emerson VE4002S1T2B5 is equipped with independent LED indicators for each channel, facilitating real – time monitoring of the working status of each output channel, and improving the efficiency of on – site troubleshooting.
Technical Parameters Emerson VE4002S1T2B5
| Parameter Item | Parameter Value |
|---|---|
| Product Type | 32 – Channel 24V DC High – Side Discrete Output Card (Emerson VE4002S1T2B5) |
| Core Function | Drive on – site discrete devices, independent channel control, fault diagnosis, DeltaV system integration |
| Number of Channels | 32 independent discrete output channels |
| Output Type | High – side switching |
| Output Voltage | 24V DC |
| Per – Channel Output Current | 2A |
| Total Power Consumption | 80W |
| Operating Temperature | – 40°C to +70°C |
| Storage Temperature | – 55°C to +85°C |
| Protection Rating | IP20 |
| Mounting Method | DIN rail (TS35/7.5 or TS35/15) |
| Dimensions | 86.8 mm×55.1 mm×32.4 mm |
| Weight | Approximately 0.5 kg |
| Connection Method | M12 threaded connection, standard I/O termination block |
| System Compatibility | Emerson DeltaV DCS (Traditional I/O series) |
| Channel Indication | Independent LED status indicators for each channel |
Advantages and Features Emerson VE4002S1T2B5
- High – Density Channel Layout: Emerson VE4002S1T2B5 provides 32 output channels in a small size, maximizing the utilization of control cabinet space and reducing the number of required modules.
- Strong Load – Driving Capacity: Each channel of Emerson VE4002S1T2B5 can output 2A current, which can easily drive heavy – load on – site devices such as large – capacity relays and small – power motors.
- Seamless DeltaV Integration: Emerson VE4002S1T2B5 can be integrated with DeltaV DCS seamlessly, supporting unified configuration, monitoring, and fault diagnosis, thus reducing the difficulty of system management.
- Reliable Industrial Design: The wide operating temperature range and IP20 protection rating of Emerson VE4002S1T2B5 ensure stable operation in harsh industrial environments, and the high – side switching design improves the anti – interference ability and safety of the system.
- Easy Maintenance: The independent LED indicators of Emerson VE4002S1T2B5 help quickly identify channel faults, and the modular design makes installation and replacement simple and fast.
Application Cases Emerson VE4002S1T2B5
- Oil Refinery Safety Valve Control: A large – scale oil refinery adopted Emerson VE4002S1T2B5 to control 96 safety valves in its cracking unit. The 32 – channel design reduced the number of required modules by 60%, and the high – side switching and fault diagnosis functions of the card reduced the unplanned downtime caused by valve control failures by 35%.
- Chemical Plant Motor Starter Control: A chemical manufacturer used Emerson VE4002S1T2B5 to drive 48 motor starters in its reactor area. Each channel’s 2A output current ensured stable start – up and operation of the motors, and the integration with DeltaV DCS realized centralized monitoring of the motor operation status, improving the production efficiency by 20%.
- Power Plant Auxiliary Equipment Control: A thermal power plant integrated Emerson VE4002S1T2B5 into its auxiliary system to control water pumps, fans, and other equipment. The card’s wide temperature range adaptability ensured stable operation in the high – temperature environment of the power plant, and the LED indicators enabled quick troubleshooting, reducing the maintenance time by 28%.
Competitor Comparison
| Feature | Emerson VE4002S1T2B5 | Siemens S7 – 1500 DO 32x24V DC | Rockwell ControlLogix 1756 – OB32 |
|---|---|---|---|
| Channel Count | 32 (high – side switching) | 32 (sink/source configurable) | 32 (sink output) |
| Per – Channel Current | 2A | 1A | 1A |
| System Integration | DeltaV DCS seamless integration | Siemens TIA Portal | Rockwell Studio 5000 |
| Mounting | DIN rail | DIN rail | Rack – mount |
| Power Consumption | 80W | 65W | 70W |
| Channel Indication | Independent LED | Group LED | Independent LED |
| Price Range | Mid | Mid – High | High |
Selection Suggestions
- Select Emerson VE4002S1T2B5 for DeltaV DCS Traditional I/O expansion projects that need to drive multiple 24V DC discrete devices with a single module.
- Prioritize Emerson VE4002S1T2B5 for applications that require a 2A per – channel output current to drive heavy – load on – site equipment such as large relays and small motors.
- Choose Emerson VE4002S1T2B5 for projects with limited control cabinet space, as its high – density channel design can minimize the number of modules and save installation space.
Precautions
- When installing Emerson VE4002S1T2B5, ensure that the DIN rail is firmly fixed, and leave an appropriate heat – dissipation space around the module to avoid overheating due to poor heat dissipation.
- Do not exceed the 2A per – channel current limit of Emerson VE4002S1T2B5 to prevent damage to the channel output circuit caused by overload.
- Use standard M12 cables and matching termination blocks for Emerson VE4002S1T2B5 to ensure stable signal transmission and avoid poor contact.
- Calibrate and check the channel status of Emerson VE4002S1T2B5 regularly with DeltaV configuration software to ensure the accuracy and reliability of output signals.
- Avoid installing Emerson VE4002S1T2B5 in an environment with excessive dust, moisture, or corrosive gas, and keep the module within the IP20 protection – rated use conditions.


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Shipment: DHL UPS FedEx, etc
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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922
Wechat:+86 15343416922