Pepperl+Fuchs IC-KP2-2HB17-2V1D - Page 85

IC-KP2-2HB17-2V1D
Commands
2014-02
85
Enhanced read special fixcode (ES)
Command:
Response:
The R/W head attempts to read a special read only code until successful. Only data that
changes is transferred via the interface, i.e. the R/W head transfers data whenever it reads a
new data carrier or whenever it reads a data carrier where there was previously no R/W head
within the detection range.
The status '05h' (read command) is output whenever a data carrier leaves the detection range.
Byte Ty pe Bit no.
7 6 5 4 3 2 1 0
Byte 0* Telegram length, high byte 0 0 0 0 0 0 0 0
Byte 1* Telegram length, low byte 0 0 0 0 1 0 1 0
Byte 2 Command code (71h) 0 1 1 1 0 0 0 1
Byte 3 WordNum/Ident channel/Toggle bit <FixLen> <Channel> <T>
Byte 4 not used - - - - - - - -
Byte 5 not used - - - - - - - -
Byte 6 not used - - - - - - - -
Byte 7 not used - - - - - - - -
Byte 8 not used - - - - - - - -
Byte 9 not used - - - - - - - -
Byte Ty pe Bit no.
7 6 5 4 3 2 1 0
Byte 0* Telegram length, high byte 0 0 0 0 0 0 0 0
Byte 1* Telegram length, low byte 0 0 0 0 1 0 1 1
Byte 2 Command code (71h) 0 1 1 1 0 0 0 1
Byte 3 Reserved/Ident channel/Toggle bit - - - - <Channel> <T>
Byte 4 Status <Status>
Byte 5 Reply counter <ReplyCounter>
Byte 6 ID code 00h ... FFh <ID code>
Byte 7 ID code 00h ... FFh <ID code>
Byte 8 ID code 00h ... FFh <ID code>
Byte 9 ID code 00h ... FFh <ID code>
Byte 10 ID code 00h ... FFh <ID code>
byte 11 ID code 00h ... FFh <ID code>
Table 7.29 * this byte is only used with the TCP/IP and MODBUS TCP/IP protocol.
Note!
The <FixLen> of IDC-...-1K read/write tags is always 6 bytes.