IDENT-I • IVI-KHA6-4HRX, IVI-KHD2-4HRX
Operating control interface units using the 3964R protocol
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
epperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
Date of issue 27.08.2001
45
8.2.5 Write commands
Bild 8.18: Write commands
Write commands for data carriers
Bild 8.19: Structure of a write command
Example: A single write attempt at head 1. Write 2 bytes (AAh, BBh), write,
starting at address 14h: 6B 01 00 14 02 AA BB
Structure of the response message after the data has been written
Bild 8.20: Structure of the response message after the data has been written
Example: Response to the above write command: 6B 01 00
Structure of the response message in the event of an error
Bild 8.21: Structure of the response message in the event of an error
Example: Response to the above write command if head 1 is not connected:
6B 80 06
Command Hex identifier
Auto Write Bytes 4Bh
Single Write Bytes 6Bh
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6+7
Command Head-no. Data start 1 Data start 2 Quantity Data
Byte 1
High nibble
Byte 2
Low nibble
Byte 2 Byte 3
Command 0 Status/Head Status/Error
Byte 1
High nibble
Byte 2
Low nibble
Byte 2 Byte 3
Command 8 Status/Head Status/Error
}
}
}
}
}
}
}
}
}
}
}
}
}
}