SIEMENS SIPART DR21 6DR2104-5

Siemens SIPART DR21 Universal Controller

Description

The Siemens SIPART DR21, with order number 6DR2104-5, is a compact and reliable universal controller for panel mounting. It is designed for continuous control tasks in various industrial applications. The device features an intuitive front panel with a bar graph display for the process value and setpoint, making it easy to monitor and adjust process parameters. This controller is an ideal spare part for maintaining existing systems that rely on the proven SIPART technology.

Specifications

• Manufacturer: Siemens
• Product Series: SIPART DR21
• Type Number: 6DR2104-5
• Power Supply: 230V AC, 47 to 63 Hz
• Power Consumption: Max. 15W / 19VA
• Mounting: Panel Mount
• Display: Analog bar graph with digital indicators

Label Info

• Siemens SIPART DR21
• Order No.: 6DR2104-5
• IP Rating: IP20/30/64
• Internal P/N: C73451-A3004-C3

Application

This controller is suitable for a wide range of control applications, including temperature, pressure, flow, and level regulation in industries such as chemical, food and beverage, and manufacturing.

Country of Origin

Made in Germany.

CO2 Impact

Reusing this component saves approximately 20 kg of CO2 compared to manufacturing a new one. This is equivalent to the emissions of driving 100 km in a typical car.

Availability

This item is a discontinued, used product but is in good working condition. Availability is limited. Order now from spareparts2day for expert support and fast delivery.

FAQ

Can this SIPART DR21 controller be configured without special software?

Yes, the SIPART DR21 is designed for on-device configuration using the front panel buttons. The parameters can be adjusted directly through the menu system shown on the display.

What type of input signals does the 6DR2104-5 model typically accept?

The SIPART DR21 series controllers are universal and can be configured for various inputs, including thermocouples, RTDs (like Pt100), and standard analog signals such as 0-10V or 4-20mA. The exact configuration depends on the specific variant and its setup.

Is the 6DR2104-5 a direct replacement for other DR21 models?

While it is part of the DR21 family, specific suffixes in the order number (like the ‘-5’ in this case) can indicate different output or feature sets. It is crucial to verify that the specifications of the 6DR2104-5 match your original unit’s requirements, especially regarding the output type (e.g., relay, continuous current).

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Last Update: Friday, March 13, 2026