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MU-Thermocouple1 CAN FD – User Manual 
 

24 

6.2

 

Internal Termination 

The CAN bus termination for the CAN connection can be set with 
the 

switch block

 on the board. By default, the switch is set to 

off

. 

Tip:

 We recommend adding termination at the CAN cabling, for 

example with termination adapters (e.g. PCAN-Term). Thus, 
CAN nodes can be flexibly connected to the bus. 

Do the following to activate the termination: 

Attention!

 Electrostatic discharge (ESD) can damage or destroy 

components on the card. Take precautions to avoid ESD. 

1.

 

Disconnect the power supply. 

2.

 

Remove all connected cables from the measuring unit. 

3.

 

Remove the two screws of the D-Sub connector and the four 
screws on the front panel to remove it. 

4.

 

Remove the two upper screws of the back panel and remove 
the housing cover. 

5.

 

Pull the right board with the D-Sub connector out of the 
connectors of the motherboard. You can also remove the 
entire board from the case. 

6.

 

Locate the switch on the board using the following figure: 

Содержание IPEH-004005-J

Страница 1: ...MU Thermocouple1 CAN FD Configurable System for Temperature Measurement with CAN FD Interface User Manual Document version 1 0 0 2021 05 05 ...

Страница 2: ...System Technik GmbH CiA CANopen and CANopen FD are registered EU trademarks of CAN in Automation e V Other product names in this document may be the trademarks or registered trade marks of their respective companies They are not explicitly marked by or 2021 PEAK System Technik GmbH Duplication copying printing or other forms and the electronic distribution of this document is only allowed with exp...

Страница 3: ...uctions 12 3 2 Operation with Default Configuration 12 3 2 1 CAN Data 13 3 2 2 Status LEDs 14 4 Measurement Accuracy 15 4 1 Measurement Errors due to Measurement Electronics 15 4 2 Measurement Errors due to Reference Temperature Sensors 15 4 3 Measurement Error due to Thermocouples 16 4 4 Example for Determining the Total Accuracy 17 5 Configuration Software 19 5 1 Features 19 5 2 Prerequisites 20...

Страница 4: ...ple1 CAN FD User Manual 4 6 Hardware Modifications 22 6 1 Device ID 22 6 2 Internal Termination 24 7 Firmware Transfer 26 8 Technical Specifications 29 Appendix A CE Certificate 32 Appendix B Dimension Drawings 33 ...

Страница 5: ...transmission and LED indication are set up with the free Windows software Thermocouple FD Configura tion The configuration created on the computer is transferred via the CAN bus to the MU Thermocouple1 CAN FD which then runs as an independent CAN node Multiple devices can be configured independently on a CAN bus Attention Heed the safety instructions in section 3 1 on page 12 that explain the mean...

Страница 6: ...h CAN specifications 2 0 A B and FD CAN FD bit rates for the data field 64 bytes max from 25 kbit s up to 10 Mbit s CAN bit rates from 25 kbit s up to 1 Mbit s NXP TJA1044GT CAN transceiver Galvanic isolation up to 500 V LEDs for measurement channels and power supply Configuration with the Windows software Thermocouple FD Configuration Aluminum casing with flange DIN rail fixing option available o...

Страница 7: ...n for Windows PC CAN interface from PEAK System On delivery the CAN connection is preconfigured with 500 kbit s CAN cabling between the CAN interface and the measuring unit with proper termination 120 Ohm on each end of the CAN bus 1 3 Scope of Supply MU Thermocouple1 CAN FD in aluminum casing Mating connector for voltage supply Configuration software Thermocouple FD Configuration for Windows Manu...

Страница 8: ...MU Thermocouple1 CAN FD User Manual 8 2 Connectors and Status LEDs Top of the housing Connections on the front ...

Страница 9: ...iew mating connector for the power supply 2 2 D Sub Connector for CAN FD A High speed CAN bus ISO 11898 2 can be connected to the 9 pin D Sub connector The pin assignment corresponds to the specifica tion CiA 303 1 Pin assignment of the D Sub connector The measuring unit must be connected to a CAN bus which is termi nated with 120 Ohm between CAN High and CAN Low For special applications the inter...

Страница 10: ... to DIN EN 50212 The color of the socket shows the thermocouple type to be used according to the standard IEC 60584 1 Due to the different pin sizes on a thermocouple connector a reverse polarity protection is ensured Mini socket for a thermocouple The following thermocouple types are supported Type Color IEC 60584 1 Temperature Range J black 210 1121 C 346 2049 F K green 200 1370 C 328 2498 F T b...

Страница 11: ...lashes red quickly 4 Hz No thermocouple is plugged in the thermocouple is not connected correctly or the cable at the thermocouple is broken Flashes green 1 Hz Normal operation Flashes green quickly 2 Hz Missing configuration Transfer a configuration to the measuring unit via CAN Power supply Flashes yellow Firmware update in progress The listed LED indication of the thermocouple inputs correspond...

Страница 12: ...ween thermocouples or between a thermocouple and earth Attention Risk of burns At ambient temperatures of 70 C 158 F and above a protection against contact must be ensured for the measuring unit i e the surface may no longer be tangible 3 2 Operation with Default Configuration The measuring unit is delivered with a standard configuration which allows you to immediately measure and record the measu...

Страница 13: ... Value CAN IDs 100h 101h 102h Data bytes 2 per measuring channel or reference temperature sensor 8 per CAN message Contents per measuring channel 16 bit value 1 16 C Data mode Intel Little Endian signed CAN protocol 2 0 A B CAN bit rate 500 kbit s Transmission period 300 ms CAN ID Data Byte Measuring Channel 1 2 1A 3 4 1B 5 6 2A 100h 7 8 2B 1 2 3A 3 4 3B 5 6 4A 101h 7 8 4B CAN ID Data Byte Referen...

Страница 14: ...able LED LED Indication Meaning Lights red An intact thermocouple is connected If the corresponding LED does not light up despite the thermocouple being connected the cable connection or the thermocouple may be broken Thermocouple inputs Flashes red quickly 4 Hz No thermocouple is plugged in the thermocouple is not connected correctly or the cable at the thermocouple is broken ...

Страница 15: ...onics Due to the internal circuitry and equipment of the device a maximum deviation of 1 K or 0 2 of the measured value may occur 4 2 Measurement Errors due to Reference Temperature Sensors The measurement of the thermocouples results in a differential temperature between the measuring point and the temperature of the measuring socket This differential temperature can only be converted into an abs...

Страница 16: ... is located close to the socket 4 3 Measurement Error due to Thermocouples Depending on the type thermocouples have different measurement errors Therefore they are assigned to classes that differ depending on the temperature range Thermocouple Type Class Measurement Error Measuring Range 1 1 5 K or 0 4 40 750 C J Fe CuNi 2 2 5 K or 0 75 40 1200 C 1 1 5 K or 0 4 40 1000 C 2 2 5 K or 0 75 40 1200 C ...

Страница 17: ...ment electronics is 1 K or 0 2 of the measured value Temperature difference 100 C 40 C 60 K Measurement error 60 K x 0 2 0 12 K The larger measurement error applies In this case the resulting measurement error is 1 K Measurement Errors due to Reference Temperature Sensors A maximum measurement error of 1 K results from the ambient temperature of 40 C Measurement Errors due to Thermocouples The mea...

Страница 18: ...plies In this case the resulting measurement error is 1 5 K Total Accuracy The total accuracy results from the measurement error components of the measurement electronics 1 K reference temperature sensors 1 K and the thermocouples 1 5 K Total accuracy 1 K 1 K 1 5 K 3 5 K ...

Страница 19: ... CAN bus to the device which then runs as an independent CAN node Multiple devices can be configured independently on a CAN bus More information is available in chapter 6 1 on page 22 Windows software Thermocouple FD Configuration 5 1 Features Creating and saving configurations for the measuring unit MU Thermocouple1 CAN FD Configuration of measurement data transmission with CAN or CAN FD Configur...

Страница 20: ...g of each measuring channel with a scale and offset Configuration of the blinking behavior of the measuring channel LEDs Export of CAN message and data configuration as a Symbol or CANdb file Transmission of configuration data via CAN PEAK CAN interface required Selective configuration of several devices in a CAN network based on the device ID 5 2 Prerequisites Computer with Windows 10 8 1 32 64 b...

Страница 21: ...step through the configuration The final transfer of the configura tion requires a correct connection via CAN Do the following to establish the CAN connection 1 Connect your PC CAN interface from PEAK System with your computer 2 Establish a correct CAN cabling between the CAN interface and the measuring unit with proper termination 120 Ohm on each end of the CAN bus 3 In the corresponding configur...

Страница 22: ... CAN bus you must assign each measuring unit its own ID in the range 0 to 15 This is done by means of a rotary switch on the board This allows the measuring units to be distinguished by the configuration software Do the following to set the ID of the measuring unit Attention Electrostatic discharge ESD can damage or destroy components on the card Take precautions to avoid ESD 1 Disconnect the powe...

Страница 23: ...ary switch position Use a flat tip screw driver for example 8 Carefully plug the D Sub board back into the connections provided on the motherboard 9 Place the housing cover and screw it with the two upper screws of the back panel 10 Place the front panel and fasten it with the two screws of the D Sub connector and the four screws of the front panel 11 Restart the device by plugging in the power su...

Страница 24: ... termination Attention Electrostatic discharge ESD can damage or destroy components on the card Take precautions to avoid ESD 1 Disconnect the power supply 2 Remove all connected cables from the measuring unit 3 Remove the two screws of the D Sub connector and the four screws on the front panel to remove it 4 Remove the two upper screws of the back panel and remove the housing cover 5 Pull the rig...

Страница 25: ...the D Sub board back into the connections provided for it on the motherboard 9 Place the housing cover and screw it with the two upper screws of the back panel 10 Place the front panel and fasten it with the two screws of the D Sub connector and the four screws of the front panel 11 Restart the device by plugging in the power supply again The internal termination is now active ...

Страница 26: ... firmware with PEAK Flash 1 Connect the device to the power supply The power LED lights green 2 Connect the CAN interface of your computer to the CAN connector on the measuring unit Make sure that the CAN cabling is terminated correctly 2 x 120 Ω 3 Download the PEAK Flash software from the following page www peak system com quick DL Software E 4 Open the zip file and extract it to your local stora...

Страница 27: ...ect the bit rate that is used by the connected CAN bus A nominal bit rate of 500 kbit s is preconfigured on delivery 10 Click on Detect In the list the MU Thermocouple1 CAN FD appears together with the Module ID and Firmware Version If not check whether a proper connection to the CAN bus with the appropriate bit rate exists 11 Click Next 12 Select the Embedded Firmware or the Firmware File radio b...

Страница 28: ...xt The Ready to Flash dialog appears 14 Click Start to transfer the new firmware to the MU Thermocouple1 CAN FD The Flashing dialog appears 15 After the process is complete click the button Reset Module to restart the device 16 You can exit the program You can now use the MU Thermocouple1 CAN FD with the new firmware ...

Страница 29: ... 12 V 35 mA at 30 V Protection 36 V static overvoltage protection 36 V reverse polarity protection 4 kV ESD protection Maximum voltage at pins CAN_H CAN_L 42 V CAN FD Protocols on OSI layer 2 CAN FD ISO 11898 1 2015 CAN FD non ISO CAN 2 0 A B Physical transmission ISO 11898 2 High speed CAN Transceiver TJA1044GT CAN bit rates Nominal 25 kbit s 1 Mbit s CAN FD bit rates Nominal 25 kbit s 1 Mbit s D...

Страница 30: ...212 Supported thermocouple types IEC 60584 1 with measuring range J 210 1121 C 346 2050 F K 200 1370 C 328 2498 F T 200 400 C 328 752 F Sampling rate 3 Hz Measurement accuracy of the measurement unit2 0 2 or 1 K Influence of ambient temperature 10 5 ppm K Reference temperature sensors 4 1 per measuring module Measuring accuracy of the reference temperature sensors Typically 0 5 K Maximum values 1 ...

Страница 31: ... via CAN with PEAK Flash PCAN interface required Measures Dimensions 130 5 x 59 5 x 73 mm W x H x D See also dimensional drawing in Appendix B Weight 420 g Environment Operating temperature 40 C 85 C 40 185 F Temperature for storage and transport 40 C 100 C 40 212 F Relative humidity 15 90 not condensing Ingress protection IEC 60529 IP20 Conformity RoHS EU directive 2011 65 EU RoHS 2 EU directive ...

Страница 32: ...MU Thermocouple1 CAN FD User Manual 32 Appendix A CE Certificate ...

Страница 33: ...MU Thermocouple1 CAN FD User Manual 33 Appendix B Dimension Drawings Dimension drawing MU Thermocouple1 CAN FD The figures do not correspond to the original size ...

Страница 34: ...MU Thermocouple1 CAN FD User Manual 34 Dimension drawing Mini thermocouple plug dimensions in mm The figures do not correspond to the original size ...

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