Siemens 6ES7355-0VH10-0AE0 Temperature Control Module

Description

Siemens 6ES7355-0VH10-0AE0 Temperature Control Module

Product Dimensions：

The Siemens 6ES7355-0VH10-0AE0 is a specialized FM 355-2 C functional module belonging to the SIMATIC S7-300 automation system. It is a high-performance 4-channel closed-loop controller designed for continuous control tasks.

Product Detailed Description

The FM 355-2 C (Continuous) module is an intelligent function module that handles complex control loops independently of the PLC’s Main CPU. This offloading ensures that time-critical control tasks are processed with high precision and speed, even if the CPU cycle time is long. The module is specifically designed for continuous control (analog output) rather than step control.

Technical Parameters

Product Advantages

• CPU Offloading: The module features its own processor, allowing it to continue controlling the loop even if the S7-300 CPU stops or goes into a fault state.
• High Precision: With 14-bit resolution and advanced PID algorithms, it is capable of extremely stable regulation of temperature, pressure, or flow.
• User-Friendly Configuration: It is easily configured using the “FM 355-2: PID Control” parameterization tool within STEP 7 or TIA Portal, which includes self-tuning functional blocks.
• Versatile Inputs: Supports various sensors including thermocouples (TC), resistance thermometers (RTD), and standard voltage/current signals.

Important Considerations & Precautions

• Configuration Software: To program this module, you must install the specific configuration package (distributed on CD or via Siemens support) to integrate the parameterization screens into your engineering software.
• Analog Output Loading: Ensure the load impedance on the analog outputs does not exceed 500 ohms for current signals (4-20 mA) to prevent signal clipping.
• Backup Power: If the control loop is safety-critical, ensure the 24V DC supply to the module is redundant, as the “autonomous” feature only works as long as the module has power.
• Cold Junction Compensation: When using thermocouples, ensure you have accounted for cold junction compensation either internally or via an external PT100.

Product Applications

The FM 355-2 C is primarily found in process engineering environments:

• Temperature Control: Precise regulation of industrial furnaces, plastic extrusion lines, and glass manufacturing.
• Pressure Regulation: Maintaining constant pressure in chemical reactors or hydraulic systems.
• Flow Control: Managing complex fluid mixing or dosing systems in the food and beverage industry.
• Level Control: High-accuracy tank level management in water treatment or pharmaceutical plants.

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