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DTM436 DTM437

Address control unit / master: 0x14

Priority of the message: 3

Requirement: Master → ECU

CAN identi-
fier

8-byte data frame

0xCEFEB14 0x00

0x28

0x01

0x00

0x08

0x00

Response: Master ← ECU

CAN identi-
fier

8-byte data frame

0xCEF14EB 0x00

0x28

0x01

0x00

0x08

0x00

9.2 Parameter mapping

Index

Type

Value

R/W

Saved

Preset

0x0500

Byte stream

Device Name

0x0501

Byte stream

Software version

0x2000

Unsigned8

Default device ad-
dress (may be
changed after ad-
dress claiming)

235

0x2001

Unsigned16

Baud rate in kbit/s

250

0x2002

Boolean

Device reset

0x2080

Unsigned8

Device status

0x2800

Unsigned8

Block size

0xA000

Byte stream

ID tag UID

0xA001

Byte stream

ID tag data

9.3 Device status

The parameter with the index 0x2080 represents the current device status:

Bit

Status

tag_err

Bit

Status

acc_err

Bit

Status

J1939_err

Bit

Status

claim

buf_ovfl

fr_err

present

ant

pow

Summary of Contents for DTM436

Page 1: ...Operating instructions J1939 interface RF identification system DTM436 DTM437 Read write head 11464605 00 06 2022 GB ...

Page 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...

Page 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 ...

Page 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...

Page 5: ...DTM436 DTM437 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 ...

Page 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 ...

Page 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 DTM436 Article number DTM436 Function Read write head Type designation DTMHF IBRWCJUS03 Type M30 flush mountable DTM437 Article number DTM437 Function Read write head ...

Page 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...

Page 9: ...l device u Fix the device using the supplied nuts M30 DTM436 Fig 3 Flush mounting DTM437 Fig 4 Non flush mounting 6 5 Mounting distances DTM436 Operating mode Distance side A Distance front B For reading and writing 60 mm 120 mm ...

Page 10: ...ead write head and the ID tag in the 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 DTM436 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 i...

Page 11: ...DTM436 DTM437 11 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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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