This process controller provides precise PID regulation for industrial process variables. It monitors temperature, pressure, and flow parameters in real-time applications. The Siemens 6DR2104-5 delivers reliable control for single-loop configurations in manufacturing environments. This compact unit replaces traditional analog controllers with digital precision.
Physical Dimensions and Mounting Information
This process controller measures 96 millimeters in width, 120 millimeters in depth, and 48 millimeters in height. The unit weighs approximately 0.50 kilograms for lightweight panel installation. It mounts into a standard 1/4 DIN cutout using the supplied mounting clips. The front panel includes a clear LCD display for immediate process value viewing.
Input Specifications and Sensor Compatibility
The Siemens 6DR2104-5 accepts universal analog inputs for versatile sensor connections. It handles thermocouple types J, K, T, and E for temperature measurement. The unit also accepts RTD inputs from PT100 and PT1000 sensors. Additionally, it supports 4 to 20 mA signals from pressure and flow transmitters. Input accuracy reaches ±0.1 percent of the reading span.
Control Algorithms and Output Options
This process controller executes PID control with autotuning functionality for optimal performance. It offers three control modes: automatic, manual, and cascade operation. The unit provides a 4 to 20 mA output for modulating control valves. It also delivers relay outputs for on/off actuator applications. A second analog output serves as a retransmission signal for recorders.
Configuration Interface and User Operation
The Siemens 6DR2104-5 features a front-panel keypad for parameter configuration. It includes a second RS-232 port for PC-based setup and monitoring. The unit stores up to four complete configuration sets for different applications. A password protection feature prevents unauthorized parameter changes.
Component Architecture and Build Quality
This process controller contains 92 individual components on a four-layer PCB. Key parts include the 16-bit microcontroller, precision ADCs, and output drivers. The board uses conformal coating to protect against moisture and contaminants. All critical components meet industrial-grade reliability specifications.
Energy Storage and Power Characteristics
The Siemens 6DR2104-5 includes a 2,200-microfarad capacitor bank for supply filtering. This storage maintains operation during minor line voltage fluctuations. The unit draws 120 milliamperes from the 24 VDC supply voltage. A non-volatile EEPROM retains all settings without backup power.
Technical Data Summary
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model | 6DR2104-5 |
| Product Type | Process Controller Basic |
| Dimensions (W x D x H) | 96 mm x 120 mm x 48 mm |
| Weight | 0.50 kg |
| Panel Cutout | 1/4 DIN standard |
| Display | LCD alphanumeric |
| Input Types | Thermocouple (J,K,T,E), RTD (PT100, PT1000), 4-20 mA |
| Input Accuracy | ±0.1% of reading |
| Control Modes | Automatic, manual, cascade |
| Control Algorithm | PID with autotuning |
| Analog Outputs | 2 x 4-20 mA (control and retransmission) |
| Relay Outputs | 2 (on/off actuator) |
| Configuration Port | RS-232 (PC setup) |
| Configuration Sets | 4 (stored in EEPROM) |
| Security | Password protection |
| Logic Supply | 24 VDC |
| Supply Current | 120 mA at 24 VDC |
| Energy Storage | 2,200 µF |
| Component Count | 92 parts |
| PCB Layers | 4 |
| Coating | Conformal moisture protection |
System Integration and Application Scope
This process controller integrates with standard industrial transmitters and actuators. It handles temperature baths, pressure vessels, and flow control systems. Consequently, the Siemens 6DR2104-5 provides a cost-effective solution for basic loop control applications.
Details
| Weight | 0.5 kg |
|---|---|
| Dimensions | 96 × 120 × 48 mm |
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