Compact Industrial Controller SIPART DR21 6DR2101 by Siemens
Manufacturer: Siemens
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Part Number: DR21 6DR2101
Condition：New with Original Package
Product Type: Compact Digital Process Controller
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The Siemens SIPART DR21 (6DR2101) is a compact digital process controller designed for precise regulation of temperature, pressure, and flow in industrial automation systems.
It provides reliable PID and adaptive control, enabling process variables to maintain desired setpoints with high accuracy.
Moreover, its compact housing includes a front-panel display and keypad, allowing operators to monitor setpoints, actual values, and output signals easily.
Therefore, it is suitable for installation in chemical plants, HVAC systems, power generation, and manufacturing environments.
In addition, the controller supports both manual and automatic modes, offering adaptive tuning functions to optimize performance under varying conditions.
Its DIN panel mount design saves space while providing comprehensive control functionality.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | SIPART DR21 (6DR2101) |
| Manufacturer | Siemens AG |
| Type | Compact Digital Process Controller |
| Control Functions | PID, adaptive control, manual/automatic selection |
| Inputs | Analog inputs: 4–20 mA, 0–10 V |
| Outputs | Analog outputs to actuators, digital outputs for alarms |
| Display | Front-panel LCD/LED for setpoint, actual value, output |
| Operation Modes | Manual, automatic, internal/external setpoint selection |
| Configuration | On-panel parameterization, adaptive tuning |
| Power Supply | 24 V DC (single transformer variant) |
| Accuracy | ±0.5% of full scale |
| Operating Temperature | –10 °C to +55 °C |
| Storage Temperature | –25 °C to +70 °C |
| Protection Class | IP20 (panel installation) |
| Mounting | DIN panel mount |
| Certifications | IEC/EN standards for industrial controllers |
FAQ
Q1: What is the primary function of the SIPART DR21 controller?
It maintains process variables at setpoints by adjusting actuators like valves and dampers.
Q2: What input signals does it support?
Analog signals such as 4–20 mA or 0–10 V from process sensors.
Q3: Can it operate manually?
Yes, it supports both manual and automatic operation with front-panel override.
Q4: What is the mounting type?
The controller is designed for DIN panel mounting.
Q5: Is it suitable for outdoor installation?
No, it requires a protected indoor panel (IP20) for safe operation.