Pepperl+Fuchs IC-KP2-2HB17-2V1D - Page 68

2014-02
68
IC-KP2-2HB17-2V1D
Commands
Single write words (SW)
Command:
Response:
The R/W head makes one attempt to write <WordNum> 32-bit words from the
address<WordAddr>.
Within the reply from the read/write head, <WordNum> is always 0, because the answer does
not contain any user data.
Byte Ty p e Bit no.
7 6 5 4 3 2 1 0
Byte 0* Telegram length, high byte <TelegramLenH>
Byte 1* Telegram length, low byte <TelegramLenL>
Byte 2 Command code (40h) 0 1 0 0 0 0 0 0
Byte 3 Word number/Channel/Toggle bit <WordNum> <Channel> <T>
Byte 4 Word address <WordAddr> (high byte)
Byte 5 Word address <WordAddr> (low byte)
Byte 6 Data 00h ... FFh <Data>
... Data 00h ... FFh <Data>
Byte N
1)
Data 00h ... FFh <Data>
Byte Ty p e 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 0 1 1 0
Byte 2 Command code (40h) 0 1 0 0 0 0 0 0
Byte 3 Word number/Channel/Toggle bit 0 <Channel> <T>
Byte 4 Statu s <Status>
Byte 5 Reply counter <ReplyCounter>
Table 7.17 * this byte is only used with the TCP/IP and MODBUS TCP/IP protocol.
1) N = 4 x <WordNum> + 5; Ethernet/IP: N = 4 x <WordNum> + 3