Description

The BECKHOFF FM3312-B310-1010 is a high-density, decentralized fieldbus module designed for the direct acquisition of up to 12 thermocouple temperature measurement channels. Operating as a node on a PROFIBUS DP network, this module facilitates remote temperature monitoring without requiring a separate control cabinet. It directly accommodates Type J and K thermocouple sensors, as well as millivolt (mV) linear voltage signals, making it suitable for distributed thermal sensing across industrial machinery and plant environments.

The module features a rugged mechanical design, incorporating a Han24E connector interface in a Type B add-on housing with gold-plated contacts. This construction ensures stable low-voltage signal transmission even in harsh physical environments. Communication with the higher-level controller is handled via a high-speed PROFIBUS DP interface, supporting data transfer rates of up to 12 Mbaud. Parameter configuration and diagnostics can be performed using the Beckhoff KS2000 software tool or directly via the fieldbus controller.

To maintain high signal integrity in noisy electrical environments, the module features electrical isolation between the measurement channels and the control voltage, as well as between the control electronics and the PROFIBUS fieldbus interface. Configurable input filter variations allow engineers to tune the module's response characteristics according to the specific environmental noise and thermal dynamics of the application.

Features

• 12 independent thermocouple input channels supporting Type J and Type K sensors.
• Direct millivolt (mV) linear voltage measurement mode.
• Integrated PROFIBUS DP fieldbus interface with transfer rates up to 12 Mbaud.
• Heavy-duty Type B housing featuring a Han24E pin insert with hard gold-plated contacts.
• Configurable input signal filtering with five distinct variations.
• High-density 2-wire thermocouple connection scheme.
• Direct configuration via the KS2000 software interface or the master PLC.
• Electrical isolation of 500 V between input channels and control voltage.

Applications

• Decentralized multi-point temperature measurement in processing machinery.
• Extrusion lines and plastic injection molding systems.
• Thermal monitoring of industrial furnaces and heat treatment equipment.
• Distributed environmental testing and temperature tracking in remote field sites.

Technical Specifications

Connections / Interfaces

Installation Guidelines

1. Ensure that all local electrical and control systems are fully de-energized before beginning physical installation.
2. Mount the module onto the designated mounting surface using the structural AGG add-on housing and locking bracket assembly.
3. Connect the 24 V DC power supply lines, ensuring correct polarity and proper grounding practices.
4. Route and plug in the heavy-duty thermocouple wiring harness via the Han24E industrial insert, ensuring gold-plated pins are clean and free of contaminants. Keep thermocouple cable lengths under 10 meters to prevent signal degradation.
5. Connect the PROFIBUS DP communications cable using the 6-pin DIN 45322 screw-type connector. Use certified shielded PROFIBUS cables to prevent EMI.
6. After hardware inspection, apply power and use the KS2000 tool or the PROFIBUS controller to set the appropriate sensor type (Type J, K, or mV) and configure the preferred digital input filter variation.