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Summary of Contents for IFM DTI424
- Page 1 Operating instructions RF-identification system DTI424 DTI425 Read/write head...
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Page 2: Table Of Contents
DTI424 DTI425 Contents Preliminary note ............. -
Page 3: Preliminary Note
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 brands used on our pages are the property of the... -
Page 4: Safety Instructions
DTI424 DTI425 2 Safety instructions General • The unit described is a subcomponent for integration into a system. – The system architect is responsible for the safety of the system. – The system architect undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system. -
Page 5: Intended Use
DTI424 DTI425 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: Items Supplied
DTI424 DTI425 4 Items supplied • 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: Function
Operation of the unit via the IO-Link interface requires an IO-Link master. With a PC, suitable IO-Link software and an IO-Link adapter cable, communication is possible while the system is not in operation. IODD required to configure the unit is available at www.ifm.com. -
Page 8: Installation
DTI424 DTI425 6 Installation 6.1 Notes on the unit installation When mounting several RFID units adhere to the minimum distances between the systems. Flush mounting of a read/write head in metal reduces the read/write distance. Device performance can be affected if positioned in the immediate vicinity of powerful HF emission sources such as welding transformers or converters. -
Page 9: Install Device
DTI424 DTI425 6.4 Install device u Fix the device using the supplied nuts (M18). DTI424 Fig. 3: Flush mounting DTI425 Fig. 4: Non flush mounting 6.5 Mounting distances DTI424 Operating mode Distance side (A) Distance front (B) For reading and writing ≥ 60 mm... -
Page 10: Positioning Of The Id Tags
DTI424 DTI425 DTI425 Operating mode Distance side (A) Distance front (B) For reading and writing ≥ 90 mm ≥ 180 mm 6.6 Positioning of the ID tags The read/write heads are marked with an antenna symbol on the sensing face. It designates the middle of the integrated antenna coil and has to correspond with the middle of the ID tag. - Page 11 DTI424 DTI425 DTI425 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 static read/write operations.
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Page 12: Electrical Connection
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 Voltage is supplied via the IO-Link master. Pin assignment Wiring IO-Link Information on available sockets see: www.ifm.com. -
Page 13: Operating And Display Elements
DTI424 DTI425 8 Operating and display elements DTI424 DTI425 1 LED green: operating voltage LED yellow: ID tag State Description green operating voltage OK operating voltage missing flashing slowly deactivated yellow on (permanently) ID tag detected on (pulse) ID tag read/written successfully... -
Page 14: Parameter Setting
DTI424 DTI425 9 Parameter setting The parameters of the device are set using a software via IO-Link (for example ifm moneo configure SA). More information can be found in the IODD of the unit: www.ifm.com 9.1 Parameter 9.1.1 Data block size The memory area of an ID tag is organised in data blocks. The parameter specifies the size of a data block. -
Page 15: Address For Automatic Read/Write
DTI424 DTI425 9.1.4 Address for automatic read/write The parameter "Address for automatic read/write" sets the start address of the memory area that is accessed in the operating modes "Auto read" and "Auto write". The address is provided in bytes. In the operating modes “Auto read" and "Auto write" the device reads and writes a specified number of data of the ID tag automatically. - Page 16 DTI424 DTI425 Status bit Value Description Cmd End Read or write operation terminated Cmd Start Acknowledge Start of a read or write operation not acknowledged Start of a read or write operation acknowledged Cmd Antenna deactivate Activate antenna Deactivate antenna...
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Page 17: Operation
DTI424 DTI425 10 Operation The device supports several operation modes selected with the command value in the process data output image: Operating mode Command value Description Read UID 0x00 Operating mode Read UID (Ò / 17) Auto read data 0x01 Operating mode Auto read data (Ò / 18) -
Page 18: Operating Mode Auto Read Data
DTI424 DTI425 Byte Process data output Process data input ignored UID 6 ignored UID 7 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored 0x00 ignored... -
Page 19: Operating Mode Auto Write Data
DTI424 DTI425 Byte Process data output Process data input ignored Data 0 ignored Data 1 ignored Data 2 ignored Data 3 ignored Data 4 ignored Data 5 ignored Data 6 ignored Data 7 ignored Data 8 ignored Data 9 ignored... -
Page 20: Operating Mode Read Data
DTI424 DTI425 If the ID tag remains in the detection range, the data can be written with the status bit "Cmd Start". If writing was unsuccessful, the error value is shown in the process image. The smaller the "Data Length Auto Read/Write" is set, the less time is needed for writing. That means that the dwell time of the ID tag in the detection range can be shorter. - Page 21 DTI424 DTI425 u Use the control to set the following values in the process data output: the command value "0x03", the address (16 bits) and the data length (16 bits). u With the control, start the read operation with the status bit "Cmd Start”.
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Page 22: Example Successful Reading Of Data
DTI424 DTI425 Byte Process data output Process data input ignored Data 26 ignored Data 27 Block counter Block counter ignored Error value 10.5.1 Example successful reading of data The example shows that reading of the data was successful. Preset com- 0x00... -
Page 23: Example Unsuccessful Reading Of Data
DTI424 DTI425 Controller ac- 0x03 Data 0x01 0x00 knowledges re- ceipt of the data Device sets 0x03 Data 0x02 0x00 more data and terminates read- Controller ac- 0x03 Data 0x02 0x00 knowledges re- ceipt of the data Controller with- 0x03... -
Page 24: Operating Mode Write Data
DTI424 DTI425 Controller sets 0x03 0x00 0x00 command (read 35 bytes from address 0x12) Device acknowl- 0x03 0x00 0x00 0x00 edges com- mand Device sets first 0x03 Data 0x00 0x00 byte of the data Controller ac- 0x03 Data 0x01 0x00... -
Page 25: Example Successful Writing Of Data
DTI424 DTI425 Process data output when Process data output during Byte Process data input starting the write operation data transfer Address (high byte) Data 2 0x00 Address (low byte) Data 3 0x00 Length (high byte) Data 4 0x00 Length (low byte) -
Page 26: Example Unsuccessful Writing Of Data
DTI424 DTI425 Device acknowl- 0x04 Data for ID tag 0x01 edges data Controller trans- 0x04 Data for ID tag 0x02 fers more data Device acknowl- 0x04 Data for ID tag 0x02 edges data and terminates writ- Controller with- 0x00 0x0000... - Page 27 DTI424 DTI425 Preset com- 0x00 0x0000 0x0000 0x00 0x00 mand Controller sets 0x04 0x0010 0x0028 0x00 0x00 command (write 40 bytes to ad- dress 0x10) Device acknowl- 0x04 0x0010 0x0028 0x00 0x00 edges com- mand Controller trans- 0x04 Data for ID tag...
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Page 28: Error Values In The Process Data Input
DTI424 DTI425 Device carries 0x00 0x00 0x00 out preset com- mand Tab. 10: Process data input 10.7 Error values in the process data input Value Name Description 0x00 RFID_NOERROR No error, read or write operation successful. 0x01 RFID_UNKNOWN_COMMAND Unknown command value 0x11 COMMAND_NO_RESPONSE •... -
Page 29: Maintenance, Repair And Disposal
11 Maintenance, repair and disposal The unit is maintenance-free. u Contact ifm 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. -
Page 30: Approvals/Standards
DTI424 DTI425 12 Approvals/standards 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 31: Glossary
DTI424 DTI425 Glossary 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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