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Operating instructions

J1939 interface

RF-identification system

DTM426
DTM427

Read/write head

11464604 / 00 06 / 2022

Содержание DTM426

Страница 1: ...Operating instructions J1939 interface RF identification system DTM426 DTM427 Read write head 11464604 00 06 2022 GB ...

Страница 2: ... distances 9 6 6 Positioning of the ID tags 10 7 Electrical connection 12 7 1 Wiring 12 8 Operating and display elements 13 9 Operation 14 9 1 J1939 interface 14 9 1 1 Proprietary protocol in PDU format 1 15 9 1 2 Configuration example 15 9 2 Parameter mapping 16 9 3 Device status 16 9 4 ID tag data access 18 9 4 1 Read data from ID tag 18 9 4 2 Write data to ID tag 18 9 5 Settings 19 9 5 1 Device...

Страница 3: ...oss reference Important note Non compliance may result in malfunction or interference Information Supplementary note 1 2 Warnings used ATTENTION Warning of damage to property 1 3 Legal and copyright information All rights reserved by ifm electronic gmbh No part of these instructions may be reproduced and used without the consent of ifm electronic gmbh All product names pictures companies or other ...

Страница 4: ...nded purpose Ò Intended use If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the operator Installation electrical connection set up operation and maintenance of the product must be carried out by qu...

Страница 5: ...DTM426 DTM427 5 3 Intended use The read write head reads and writes ID tags without contact The data is made available as process data via the CAN bus interface ...

Страница 6: ...pplied Read write head 2x hexagonal nut The device is supplied without installation and connection accessories Available accessories www ifm com The optimum function is not ensured when using components from other manufacturers ...

Страница 7: ... generates a magnetic field which partly penetrates the antenna coil of the ID tag A voltage is generated by induction that supplies the data carrier with energy The device supports ID tags according to ISO 15693 5 2 Device overview DTM426 Article number DTM426 Function Read write head Type designation DTMHF GBRWCJUS03 Type M18 flush mountable DTM427 Article number DTM427 Function Read write head ...

Страница 8: ...e device generates a modulated electrical field with a frequency of 13 56 MHz Avoid interference with data communication u Do not operate any devices in the vicinity that use the same frequency band w Such devices are for example frequency converters and switched mode power supplies If there are other devices in the same frequency band in the vicinity u The mounting distances between the devices s...

Страница 9: ...l device u Fix the device using the supplied nuts M18 DTM426 Fig 3 Flush mounting DTM427 Fig 4 Non flush mounting 6 5 Mounting distances DTM426 Operating mode Distance side A Distance front B For reading and writing 50 mm 100 mm ...

Страница 10: ...e same way For installation in or on metal use the ID tags provided for this purpose Position the ID tag in the area of the sensing face When doing so the angle of aperture and the operating distance must be adhered to Data sheet of the device DTM426 D Fig 5 Position the ID tag u Align the ID tag on the central axis of the antenna of the device w The distance D is indicated in the data sheet DTM42...

Страница 11: ...DTM426 DTM427 11 w The distance D is indicated in the data sheet ...

Страница 12: ...device 7 1 Wiring u Connect the device to the CAN bus using the M12 connector w Voltage is supplied via the CAN bus Pin assignment Wiring M12 connector A coded 5 poles 4 2 1 3 5 1 Shield 2 U 3 GND 4 CAN high 5 CAN low The CAN bus connection is almost trouble free if the following points are considered u Use cables approved for CAN bus u Terminate the cables with 120 Ω terminating resistors Informa...

Страница 13: ...red LED State Description green on Operating status operational flashes Device deactivated yellow on ID tag detected flashes once for 1 4 s ID tag read or written successfully flashes briefly 4x ID tag read or written with errors red on CAN bus not accessible flashes Device hardware fault ...

Страница 14: ... 8 PDU format 1 specific 00h EFh Target Address DA 23 16 15 8 PDU format 2 global F0h FFh Group Extension GE 23 16 15 8 PDU format 1 This format defines a message which is sent to a defined device In this case the PDU specific byte PS is the target address DA of the device If the value of the PDU format field PF is between 0x00 and 0xEF it is a PDU format 1 message For proprietary messages manufac...

Страница 15: ...rite Status 4 byte data 29 bits 2 bytes 1 bytes 1 bytes Requirement Master ECU CAN identi fier 8 byte data frame 0xCEFEB1 4 LSB MSB RW 0 LSB MSB Response Master ECU CAN identi fier 8 byte data frame 0xCEF14E B LSB MSB RW SC LSB MSB Parameter index 2 byte parameter index RW Read parameter 0x00 write parameter 0x01 SC Status code 0x00 Ok 0x01 Parameter value too small 0x02 Parameter value too big 0x...

Страница 16: ...on ro 0x2000 Unsigned8 Default device ad dress may be changed after ad dress claiming rw X 235 0x2001 Unsigned16 Baud rate in kbit s rw X 250 0x2002 Boolean Device reset rw 0x2080 Unsigned8 Device status ro 0x2800 Unsigned8 Block size rw X 4 0xA000 Byte stream ID tag UID ro 0xA001 Byte stream ID tag data rw 9 3 Device status The parameter with the index 0x2080 represents the current device status ...

Страница 17: ...he answer from the ID tag CRC error framing error collision etc ID tag error codes Updated after each read or write access of the ID tag Index Value Description 0x00 ISO_TAG_ERROR_NO_ERROR No error from the ID tag 0x01 ISO_TAG_ERROR_COM MAND_NOT_SPECIFIED The command is not supported 0x02 ISO_TAG_ERROR_COMMAND_SYN TAX Cannot recognise the command The number of blocks is too high Example format err...

Страница 18: ...onse Master ECU CAN identi fier 8 byte data frame 0xCEF14EB 0x01 0xA0 0x00 0x00 Data 0 Data 1 Data 2 For successful reading and writing the ID tag must be in the detection range of the read write head In the event of data read and write errors the status byte responds with 0x0B 9 4 2 Write data to ID tag The data is written to the ID tag by sending a write parameter frame with the following inform...

Страница 19: ...o avoid conflicts Ò Address claiming 19 Only after resetting the read write head will a changed device address and baud rate become effective u Reset the read write head with the reset command or hardware reset Ò Reset read write head 19 9 5 2 Address claiming The read write head supports dynamic address claiming By default the device address is 235 With the device address the sensor logs in to th...

Страница 20: ...in case of malfunction u Do not open the housing as the unit does not contain any components which can be maintained by the user The unit must only be repaired by the manufacturer u Clean the device using a dry cloth u Dispose of the unit in accordance with the national environmental regulations ...

Страница 21: ...For approvals and standards the following information is available Test standards and regulations documentation ifm com EU declaration of conformity and approvals documentation ifm com Notes relevant for approval package inserts of the device ...

Страница 22: ...le applications ID tag An ID tag is used to identify objects A read write device is used to read the ID tag via a high frequency radio signal An ID tag consists of an antenna an analogue circuit for receiving and transmitting transceiver a digital circuit and a non volatile memory ...

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