High Resolution Temperature Measurement
4 high resolution and accuracy thermocouple inputs
Support of J, K, B, E, N, R, S and T thermocouples
Automatic cold junction compensation
CANopen profiles acc. to CiA® specification CiA 301 and CiA 404
Approved Reliability and Ease of Use
Electrical isolation of thermocouple interfaces: all channels are electrically isolated against the microcontroller circuits and against each other
InRailBus technology combines high ease of use and proven reliability
DIN-EN carrier rail mounting (TS 35)
Setup Options of Thermocouple Interfaces
Offset/Gain can be adjusted by the user
Voltage-only measurement also available
High Resolution Thermocouple Interfaces
The CAN-CBX-THERMO is designed for direct connection of up to four thermocouples.
Depending on the selected sample rate and the external wiring a resolution of at least 1 μV can be achieved.
For cold junction compensation the temperature of the the sensor clamp is measured by a digital temperature sensor. The conversion of the four thermocouple inputs is realized by four independent ΣΔ-converters. Linearisation according to NIST is achieved by the on board microcontroller.
CAN Interface and LED Display
The CAN interface is designed according to ISO 11898-2 high-speed layer with electrical isolation and supports bit rates up to 1 Mbit/s. The CANopen-node number and the CANbit rate can be easily set via coding switches. Four LEDs indicate the thermocouple and CANopen node status.
InRailBus for easy wiring
The power supply and the CAN bus signals can be supplied via the InRailBus connector (TBUS connector) integrated in the mounting rail. In this way, a minimum of cabling of the individual modules is achieved. All esd CBX modules are compatible with each other and can be plugged onto the bus as required. It is also possible to disconnect individual modules from the InRailBus without interrupting the bus signals or the power supply.
The module comes with CANopen firmware according to CiA 301 and supports the CiA 404 profile for measuring devices.
Do you have special requirements regarding the product?
We are happy to provide you with a customer-specific option or adjustment to our products when purchasing appropiate quantities. Please contact our sales team for detailed information.
CAN-CBX-THERMO Data Sheet
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CANopen-IO-Profile CiA 401, 4 analog Inputs for Thermocouples Types J,K,B,E,N,R,S,T, 20 Bit Resolution, Inputs galvanic isolated from each other, integrated cold junction compensation, In-Rail-Bus
- CiA 301 compliant
- CiA 401 profile
- galvanically isolated
- CANopen Device
- CAN-Layer 2