This temperature control module provides precise regulation for thermal processes. It handles heating and cooling applications with PID control algorithms. The unit integrates seamlessly into SIMATIC S5 automation systems. Its dedicated architecture ensures stable temperature management across multiple zones.
Control Architecture and Processing Capabilities
The module features a dedicated microcontroller for temperature control tasks. It executes PID algorithms for precise setpoint tracking and disturbance rejection. The unit supports multiple zone control for complex thermal systems. Its processing engine handles both heating and cooling output signals.
| Parameter | Specification |
|---|---|
| Model | 6ES5244-3AA21 |
| Control Channels | 4 independent |
| Control Algorithm | PID with auto-tuning |
| Input Type | Thermocouple, RTD, mV |
| Thermocouple Types | K, J, T, S, R, B, E, N |
| RTD Types | PT100, PT200, PT500, PT1000 |
| Input Range | -200°C to +1800°C (depending on sensor) |
| Measurement Resolution | 0.1°C |
| Accuracy | ±0.5% of full scale |
| Output Types | Relay, 4-20 mA, SSR drive |
| Output Current | 20 mA analog, 2 A relay |
| Sampling Rate | 4 channels every 200 ms |
| Power Supply | 24 V DC ±10%, 300 mA |
| Power Consumption | 7.2 W maximum |
Physical Dimensions and Rack Mounting
This temperature module measures 230 mm in height, 27 mm in width, and 210 mm in depth. Its sturdy housing weighs approximately 0.95 kg. You can mount the unit in any slot of the SIMATIC S5 rack. The module locks securely with the built-in retention mechanism.
Sensor Inputs and Signal Conditioning
The 6ES5244-3AA21 accepts multiple sensor types for application flexibility. It handles thermocouples with built-in cold junction compensation. The unit also supports RTD sensors with three-wire configuration for lead compensation. Each input includes individual filtering for noise rejection.
Output Configuration and Actuator Control
The module provides relay outputs for direct heater switching applications. It also delivers 4-20 mA analog signals for proportional control valves. SSR drive outputs enable solid-state switching for fast response times. Each output includes short-circuit protection for reliability.
PID Tuning and Parameter Configuration
You can configure PID parameters using the STEP 5 programming software. The module supports both manual and auto-tuning modes for flexibility. Self-tuning algorithms calculate optimal gain values automatically. You can also set output limits and ramp rates for process protection.
Diagnostic and Status Monitoring
LED indicators display power, channel, and alarm status information. The module detects sensor breaks and short-circuit conditions. It also monitors output overload and overtemperature situations. A front-accessible jumper block configures the input type selection.
Details
| Weight | 0.12 kg |
|---|---|
| Dimensions | 120 × 80 × 3 mm |
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