Integrate up to 90 K-type thermocouples with EQXTC06 – A six-channel thermocouple module for EQSP32 Micro-PLC!

Expand the capabilities of the EQSP32 micro-PLC with high-precision industrial temperature monitoring using thermocouples.

The EQXTC06 is a DIN-rail mountable expansion module designed for K-type thermocouples, offering six channels for precise and reliable temperature measurements. With automatic detection, it seamlessly integrates with EQSP32, providing real-time temperature data for industrial automation and process control.

Designed for flexibility and accuracy, the module incorporates cold-junction compensation, fault detection (for open, shorted, or miswired thermocouples), and a high-resolution 14-bit signed conversion providing a nominal temperature resolution of 0.25°C. Its compact DIN-rail enclosure ensures easy installation, allowing for organized and scalable automation solutions.

With support for up to 15 EQXTC06 modules, EQSP32 IIoT PLC can manage up to 90 thermocouple sensors, making it a powerful solution for large-scale temperature monitoring applications.

The EQXTC06 is a 6-channel thermocouple expansion module for the EQSP32 Micro-PLC, designed for precise temperature monitoring in industrial applications. It features integrated cold-junction compensation, fault detection, and a DIN-rail mountable design, ensuring accurate measurements and seamless system integration. Also demonstrates a K-type thermocouple with open leads.
EQXTC for K-type thermocouples

Key Features of EQXTC:

  • 6 Thermocouple Inputs: Supports sequential measurements on six K-type thermocouples.
  • High-Resolution Measurement: 14-bit signed temperature readings with 0.25°C resolution.
  • Integrated Cold-Junction Compensation: Automatically adjusts temperature readings based on the ambient temperature for improved accuracy.
  • Fault Detection: Detects thermocouple shorts to GND or VCC and open thermocouples.
  • ESD Protection: All pins protected up to ±2kV (Human Body Model), ensuring durability in electrostatic-prone environments.
  • Expandability: Add more expansion modules as needed to extend functionality.
  • Automatic Detection: EQXTC06 is automatically detected by EQSP32 upon power-up for a plug-and-play experience.
  • Seamless Integration: Programming and integration simplified through the provided library API and the EQ-AI code generation assistant.
  • DIN-Rail Mountable: Compact design for seamless and organized installation in standard DIN-rail control cabinets.
  • Visual Indicators: Provides clear status for power and module status.
  • Connection: After mounting the module on the DIN-rail, simply slide it to connect with EQSP32 via the board-to-board connector.
  • Powered by EQSP32: No external power supply required, simplifying setup.
  • Field-Upgradable Firmware: Easy firmware updates, can be applied via the front-facing USB-C port.
  • Industrial-Grade Design: Operating temperature range -20°C to 55°C, suitable for harsh environments.

Slide to connect
Automatically detected by the EQSP32, each system supports up to 15 expansion modules, for a total of 90 K-type thermocouple sensors on a single EQSP32 unit.

DIN-Rail Mount
Compact design for organized solutions.

EQXTC06 – Six-Channel K-type Thermocouple Sensor Expansion Module for EQSP32 Micro PLC. Slide your six channel k-type thermocouple sensor expansion module on the DIN rail until the board to board connector is completely inserted in the EQSP32 micro PLC IIoT controller.
Slide EQXTC to connect on EQSP32

Pinout of EQXTC:

EQXTC06 thermocouple module pinout diagram with detailed labeling on DIN-rail mount enclosure of screw terminal connections for six K-type thermocouples and USB-C port. Designed for EQSP32 micro-PLC IIoT systems.

T+, T-: Thermocouple amplification and measuring pins.

X1 terminal: Supports thermocouple channels TC1, TC2 and TC3

X2 terminal: Supports thermocouple channels TC4, TC5 and TC6

Front facing USB-C port: For easy firmware update without removing the module from the setup.

A look inside the K-type thermocouple expansion module:

The EQXTC functional diagram illustrates the module's key components. The module features the thermocouple measurement unit with integrated cold-junction compensation, fault detection, and amplification. It is automatically indexed by the main EQSP32 Micro-PLC, field upgradable by the front facing USB-C port, powered and connected via the board-to-board expansion interface. It offers screw terminals for wiring the thermocouple sensors.
EQXTC Functional Block Diagram

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