Siemens 6DR1901-5/6DR1902-5 Intelligent Electric Valve Positioner
Brand：SIEMENS
model：6DR1901-5/6DR1902-5
Warranty: 12 months
Lead Time：3-day working day
Country of origin: USA Price: Please contact us
Product weight：0.44kg
Shipping Port: China
Payment: Bank of Chicago, Bank of Singapore
Siemens 6DR1901-5/6DR1902-5 Intelligent Electric Valve Positioner
Product Specifications & Parameters
The 6DR190x-5 series belongs to the SIPART DR19 family, featuring a compact $96 \times 48 \text{ mm}$ format.
| Parameter | Specification Details |
| Model Variants | 6DR1901-5: 24V AC/DC Power Supply 6DR1902-5: 115V/230V AC Power Supply |
| Input Channels | 2 Analog Inputs (standard), expandable via modules |
| Output Channels | 1 Analog Output (0/4 to 20 mA), 2 Relay Outputs |
| Display | Dual digital LED display (PV and SP) + Bargraphs |
| Control Logic | PID, P, PD, PI, or On/Off control |
| Interface | RS 232 / RS 485 (optional via plug-in modules) |
| Sampling Time | 100 ms (fast response for dynamic processes) |
| Protection Class | Front panel: IP64; Rear terminals: IP20 |
Key Product Advantages
Modular Flexibility: The basic unit can be expanded with additional input/output modules (digital inputs, analog outputs, or communication interfaces) to suit specific site requirements.
Intuitive Operation: Equipped with clear digital displays and green/red LED bargraphs for immediate visual confirmation of the process value and setpoint.
Built-in Functions: Includes specialized functions like Square Rooting (for flow measurement) and Linearization (for thermocouples/sensors).
Seamless Integration: Supports standard communication protocols for integration into higher-level SCADA or PLC systems.
Durability: Built to withstand harsh industrial environments with high electromagnetic compatibility (EMC).
Important Considerations & Maintenance
Wiring Safety: Ensure the power supply matches the specific model (e.g., do not connect 230V to a 6DR1901-5 unit).
Heat Dissipation: When installing multiple units in a control cabinet, maintain the recommended spacing to avoid overheating.
Configuration: The device is programmed via the front keys or through "SIPROM DR" software. Accurate parameterization of the PID values is crucial to prevent process oscillation.
Signal Interference: Use shielded cables for analog inputs/outputs to prevent electrical noise from affecting the measurement accuracy.
Industrial Applications
The SIPART DR19 is a "workhorse" in sectors requiring precise regulatory control:
Chemical & Petrochemical: Controlling reactor temperatures and pressure vessels.
Food & Beverage: Managing pasteurization temperatures and sterilization processes.
Water Treatment: Maintaining pH levels and flow rate regulation.
Furnace Construction: Precise ramp/soak control for industrial ovens and kilns.
Power Generation: Auxilliary control loops for cooling water and steam systems.
Comparison Table: 6DR1901-5 vs. 6DR1902-5
| Feature | 6DR1901-5 | 6DR1902-5 |
| Power Supply | $24 \text{ V AC/DC}$ | $115/230 \text{ V AC}$ (Switchable) |
| Typical Usage | Low voltage cabinets/Mobile units | Standard plant power grids |
| Weight | Approx. 0.6 kg | Approx. 1.0 kg |
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapor
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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