Versatile Process Control for SIPART DR20 Systems
The Siemens 6DR2004-1 standard controller functions as the core processing unit for the SIPART DR20 modular process control system . This compact device provides powerful PID regulation and logic capabilities for various industrial applications. Its modular design enables straightforward servicing, conversion, and retrofitting.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6DR2004-1 |
| Series | SIPART DR20 |
| Product Type | Standard Process Controller |
| Power Supply | 230V AC / 24V DC (selectable) |
| Power Consumption | 13W / 21VA |
| Dimensions | 76 x 152 x 178 mm |
| Weight | 1 kg |
| Built-in Analog Inputs | 2 x 0/4-20mA (non-floating) |
| Built-in Digital Inputs | 1 x configurable |
| Communication Protocols | RS-232, RS-485, Ethernet, Profibus-DP (optional) |
| Protection Rating | IP20 |
| Operating Temperature | 0°C to +60°C |
Modular Design for Flexible Configuration
The Siemens 6DR2004-1 features a modular architecture that accepts additional function modules at the rear . These modules, also compatible with DR19, DR21, DR22, and DR24 controllers, expand I/O capabilities as needed. The standard device includes a control and display unit with CPU, plus a circuit board with built-in I/O elements.
Built-in I/O and High-Performance Processing
This controller includes two built-in analog inputs for 0/4-20mA signals and one configurable digital input . These interfaces enable direct connection to transmitters without extra hardware. Moreover, the controller’s high-speed processor executes complex control tasks rapidly, including PID, fuzzy, and feedforward algorithms .
Communication and Integration
The 6DR2004-1 supports multiple communication protocols, including RS-232, RS-485, and Ethernet for seamless data exchange . It also offers optional Profibus-DP for integration into distributed control systems . This versatility suits both standalone operation and integration into larger DCS networks.
Application Environments
This standard controller serves process applications in chemical, power generation, and water treatment industries . It handles temperature, pressure, and flow regulation with high precision. The robust design ensures reliable operation in demanding industrial conditions.
Details
| Weight | 1.2 kg |
|---|---|
| Dimensions | 50 × 290 × 217 mm |



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