6DR1901-5/6DR1902-5 SIEMENS

6DR1901-5/6DR1902-5 Siemens Basis unit

Brand：SIEMENS Model number：6DR1901-5/6DR1902-5

Country of origin: Germany Product weight：0.55kg

HS code：8517623990

Product Details：

Product Dimensions：

The Siemens 6DR1901-5 and 6DR1902-5 are specialized models within the SIPART DR19 series of compact digital controllers. These units are designed for demanding industrial process control, offering high precision in a space-saving $96 \times 96 \text{ mm}$ format. While they share the same core architecture, they differ primarily in their output types: the 6DR1901-5 typically features a continuous (K) output, while the 6DR1902-5 is equipped with a stepped (S) output and setpoint profile capabilities.

Product Specifications

Model Series: SIPART DR19 Compact Controller
Dimensions: $96 \times 96 \text{ mm}$ (Front panel) with a depth of approximately $150 \text{ mm}$
Operating Voltage: Selectable between $115 \text{ VAC}$ and $230 \text{ VAC}$ (at $48$ to $63 \text{ Hz}$ )
Analog Inputs: 1 Universal Analog Input supporting Thermocouples (TC), Resistance Temperature Detectors (RTD like Pt100), and Resistance (R) sensors
Digital I/O: 2 Digital Inputs and 2 Digital Outputs for alarms or status signaling
Output Configuration (6DR1902-5): Stepped output (S-output) specifically for controlling motorized actuators
Output Configuration (6DR1901-5): Continuous output (K-output) for standard current/voltage control loops
Weight: Approximately $1.2 \text{ kg}$ ( $2.6 \text{ lbs}$ )
Display: Dual digital displays for Process Value (PV) and Setpoint (SP) / Manipulated Variable (Y)

Product Advantages

Multi-Functionality: These controllers can be configured as fixed-setpoint controllers, follow-up controllers, or program controllers, making them highly versatile for different plant requirements.
Precision Control: The SIPART DR19 uses a sophisticated PID algorithm that ensures stable control even in processes with difficult dynamics or frequent load changes.
Setpoint Profiling: The 6DR1902-5 specifically supports setpoint profiles, which is essential for batch processes that require precise temperature ramps and timed soak periods.
Robust Design: Built for industrial longevity, the hardware is designed to operate reliably in electrically noisy environments and withstand mechanical vibrations.
Ease of Use: Features a clear front panel with analog bar graphs and digital readouts, allowing operators to see the deviation ( $e$ ) and manipulated variable ( $y$ ) at a glance.

Important Considerations and Precautions

Discontinuation: These models are part of a legacy product line (Phase-out status). It is important to check the availability of spare parts or consider newer series like the SIPART DR21 or modern PLC-based control solutions for long-term projects.
Power Selection: Ensure the voltage selector switch matches your local power supply ( $115 \text{ V}$ or $230 \text{ V}$ ) before applying power to avoid permanent damage to the internal electronics.
Environmental Limits: The unit should be installed in a location that stays within the specified ambient temperature range (typically $0$ to $50$ °C) and is protected from excessive moisture.
Qualified Personnel: Installation and commissioning should only be performed by trained technicians familiar with industrial automation and electrical safety standards.
Wiring Separation: Keep signal lines (analog inputs) physically separated from power lines to prevent electromagnetic interference from distorting measurement values.

Product Applications

The SIPART DR19 series is widely utilized across various heavy industries where reliable, stand-alone PID control is required.

Heat Treatment: Managing complex temperature profiles in industrial furnaces and kilns.
Chemical Processing: Controlling pressure, flow, or temperature in reactors and distillation columns.
Water Treatment: Maintaining precise levels and flow rates in pumping stations and purification plants.
Power Generation: Used in auxiliary control loops within power plants for steam or cooling water regulation.
Food and Beverage: Regulating pasteurization temperatures and pressure in bottling or canning lines.

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