IFM DTI420 Operating Instructions Manual Download Page 27

Page: 27 / 31

DTI420 DTI421

Command

value

Address

Length

Data

0 to 27

Block

counter

Status bit

"Cmd

Start"

Preset com-
mand

0x00

0x0000

0x00

Controller sets
command (write
40 bytes to ad-
dress 0x10)

0x04

0x0010

0x0028

0x00

Device acknowl-
edges com-
mand

0x04

0x0010

0x0028

0x00

Controller trans-
fers the first da-
ta

0x04

Data for ID tag

0x01

Device acknowl-
edges data

0x04

Data for ID tag

0x01

Controller trans-
fers more data

0x04

Data for ID tag

0x02

Device sets er-
ror value (ID tag
not available)

0x04

Data for ID tag

0x02

Controller with-
draws com-
mand value

0x00

0x0000

0x00

Device carries
out preset com-
mand

0x00

0x0000

0x00

Tab. 9: Process data output

Command

value

Data

0 to 27

Block

counter

Error

value

Status bit

"Cmd

End"

Status bit

"Cmd

Start"

Preset com-
mand

0x00

UID

0x00

Controller sets
command (write
40 bytes to ad-
dress 0x10)

0x04

UID

0x00

Device acknowl-
edges com-
mand

0x04

0x00

Controller trans-
fers the first da-
ta

0x04

0x00

Device acknowl-
edges data

0x04

0x00

0x01

0x00

Controller trans-
fers more data

0x04

0x00

0x01

0x00

Device acknowl-
edges data and
terminates writ-
ing

0x04

0x00

0x01

0x11

Controller with-
draws com-
mand value

0x04

0x00

0x01

0x11

Summary of Contents for DTI420

Page 1: ...Operating instructions RF identification system DTI420 DTI421 Read write head 11452926 00 09 2022 GB...

Page 2: ...9 1 Parameter 14 9 1 1 Data block size 14 9 1 2 Data alignment 14 9 1 3 Data hold time 14 9 1 4 Address for automatic read write 15 9 1 5 Data length for automatic read write 15 9 2 Status bits 15 10...

Page 3: ...ss 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 in...

Page 4: ...nded purpose 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 f...

Page 5: ...DTI420 DTI421 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 IO Link interface...

Page 6: ...plied 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 component...

Page 7: ...Article number DTI420 Function Read write head Type designation DTRHF GBRWIOUS03 Type M18 flush mountable DTI421 Article number DTI421 Function Read write head Type designation DTRHF GNRWIOUS03 Type M...

Page 8: ...g interference The 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...

Page 9: ...I420 DTI421 9 DTI421 Fig 2 DTI421 1 Sensing face 6 4 Install device u Fix the device using the supplied nuts M18 DTI420 Fig 3 Flush mounting DTI421 Fig 4 Non flush mounting 6 5 Mounting distances DTI4...

Page 10: ...sing face of the read 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...

Page 11: ...D Fig 6 Position the ID tag u Align the ID tag on the central axis of the antenna of the unit ID tag Type Distance read write head D in plastic E80371 40 mm The indications in the table apply to stati...

Page 12: ...III The electrical supply must only be made via PELV SELV circuits u Disconnect power before connecting the device 7 1 Wiring u Connect the device to an IO Link master using the M12 connector w Voltag...

Page 13: ...ltage OK off operating voltage missing flashing slowly deactivated yellow on permanently ID tag detected on pulse ID tag read written successfully flashing quickly error when reading writing on ID tag...

Page 14: ...ignment The parameter sets the order of the data in a data block of the ID tag Example For an ID tag with block size 4 bytes the data can be ordered as in the tables Data block 0 Data block 1 Byte 3 B...

Page 15: ...and written The length is indicated in bytes The minimum length is 1 byte and the maximum length is 29 bytes In the operating modes Auto read and Auto write the device reads and writes a specified num...

Page 16: ...on not acknowledged 1 Start of a read or write operation acknowledged Cmd Antenna deactivate 0 Activate antenna 1 Deactivate antenna Cmd Start 0 Reset trigger for read or write operation 1 Set trigger...

Page 17: ...next to each other is reduced by deactivating the antenna Deactivate the internal antenna u Set the Cmd Antenna deactivate bit in the process data output The status of the internal antenna is queried...

Page 18: ...length of 29 bytes the data remaining in the process image is filled with the value 0x00 The data in the process image is updated as soon as an ID tag enters the detection range The data in the proce...

Page 19: ...ta In the operating mode Auto write data the data to be written is defined by the process data output image The data is set with the parameters Address for Auto Read Write and Data Length for Auto Rea...

Page 20: ...a 3 6 Data 4 Data 4 7 Data 5 Data 5 8 Data 6 Data 6 9 Data 7 Data 7 10 Data 8 Data 8 11 Data 9 Data 9 12 Data 10 Data 10 13 Data 11 Data 11 14 Data 12 Data 12 15 Data 13 Data 13 16 Data 14 Data 14 17...

Page 21: ...t two steps are repeated until all data has been transferred w The device sets the status bit Cmd End with the last transfer The read operation is terminated If reading was unsuccessful the device set...

Page 22: ...e data 0x03 0x0012 0x0023 0x00 0x00 1 Controller ac knowledges re ceipt of the data 0x03 0x0012 0x0023 0x00 0x01 1 Device sets more data and terminates read ing 0x03 0x0012 0x0023 0x00 0x01 1 Controll...

Page 23: ...ccessful Command value Address Length Data 0 to 27 Block counter Status bit Cmd Start Preset com mand 0x00 0x0000 0x0000 0x00 0x00 0 Controller sets command read 35 bytes from address 0x12 0x03 0x0012...

Page 24: ...ess 16 bits and the data length 16 bits u With the control start the write operation with the status bit Cmd Start w The device acknowledges the start of the write operation by setting the status bit...

Page 25: ...0x00 20 ignored Data 18 0x00 21 ignored Data 19 0x00 22 ignored Data 20 0x00 23 ignored Data 21 0x00 24 ignored Data 22 0x00 25 ignored Data 23 0x00 26 ignored Data 24 0x00 27 ignored Data 25 0x00 28...

Page 26: ...Status bit Cmd End Status bit Cmd Start Preset com mand 0x00 UID 0x00 0x00 0 0 Controller sets command write 40 bytes to ad dress 0x10 0x04 UID 0x00 0x00 0 0 Device acknowl edges com mand 0x04 0x00 0...

Page 27: ...0x02 1 Controller with draws com mand value 0x00 0x0000 0x0000 0x00 0x00 0 Device carries out preset com mand 0x00 0x0000 0x0000 0x00 0x00 0 Tab 9 Process data output Command value Data 0 to 27 Block...

Page 28: ...ring reception of the data of the ID tag 0x21 TAG_COMMAND_NOT_SPECIFIED Command is not supported by the ID tag 0x22 TAG_COMMAND_SYNTAX Parameter of the command wrong 0x23 TAG_OPTION_NOT_SUPPORTED ID t...

Page 29: ...n 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 us...

Page 30: ...or 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 f...

Page 31: ...non volatile memory IODD Digital description of the device The IODD is required for device parameter setting via IO Link IO Link IO Link is a standardised IO technology IEC 61131 9 for communicating...

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