Siemens SITRANS VP100 Electric Valve Positioner
The SITRANS VP100 series smart electric valve positioner is used for the control of pneumatic linear or rotary actuators.
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Detailed introduction
The SITRANS VP100 series intelligent electric valve positioner is used for the control of pneumatic linear or rotary actuators. The intelligent electric valve positioner drives the actuator to achieve the same position as the set value for the valve opening. Additional input functions can be used to lock the valve position or drive the valve to a safe position. A binary input has been integrated into the base product as a standard configuration to achieve this functionality.
Here’s a focused breakdown of the key features of the Siemens SITRANS VP100 Electric Valve Positioner:
Automatic Initialization: Seamless setup with self-adjusting zero and stroke ranges—no manual calibration needed.
Compact, Robust Design: Housed in an aluminum casing that’s built for industrial environments.
Adaptive Online Control: Continuously fine-tunes performance for accurate valve positioning, even with process fluctuations.
Low Air Consumption: Optimized pneumatics ensure energy-efficient operation during steady state.
Binary Input for Safety Functions: Enables tight shut-off or predefined safety positioning based on control logic.
Multi-Actuator Compatibility: Works with both linear and rotary actuators using the same device.
Intuitive User Interface: Three-button configuration with a clear dual-line LCD—simple, no external devices required.
Fail-Safe Capabilities: Can be configured to take a safe valve position in the event of signal loss.
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA (with optional HART version in some variants) |
| Control Type | Electric valve positioner for pneumatic actuators |
| Actuator Types | Linear and rotary |
| Air Supply Pressure | 1.4 to 6 bar (20 to 90 psi) |
| Air Consumption | < 0.06 Nm³/h at steady state |
| Display | Dual-line LCD with 3-button operation |
| Material Housing | Aluminum |
| Ingress Protection | IP66 / NEMA 4X |
| Ambient Temperature Range | –20°C to +80°C |
| Binary Input | 1 input for safety functions (e.g., fail-safe mode) |
| Fail-Safe Configuration | Programmable position on signal loss |
| Mounting | Direct to actuator (per NAMUR or VDI/VDE standards) |
| Communication | Analog (no fieldbus/HART in standard version) |
| Certifications | CE, ATEX (optional), SIL-capable (on request) |
Frequently Asked Questions – SITRANS VP100
Q1: What type of actuators can the VP100 control?
A: It supports both linear and rotary pneumatic actuators with the same model—no need for separate variants.
Q2: Is the VP100 easy to set up?
A: Yes. It features automatic initialization that adjusts zero and stroke range without manual calibration.
Q3: Does it support fail-safe operation?
A: Absolutely. The VP100 includes a binary input for safety functions and can be configured to move to a predefined position on signal loss.
Q4: What kind of input signal does it accept?
A: It operates on a standard 4–20 mA analog signal. Some variants may support HART communication.
Q5: How is it operated?
A: Through a three-button interface and a dual-line LCD—no external tools required.
Q6: Is it suitable for harsh environments?
A: Yes. It has an IP66/NEMA 4X-rated aluminum housing, making it dust-tight and water-resistant.
Q7: What makes it energy-efficient?
A: Its low air consumption (< 0.06 Nm³/h at steady state) helps reduce operating costs.
Q8: Can it be mounted directly on actuators?
A: Yes. It supports direct mounting per NAMUR or VDI/VDE standards.
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