Transmission Procedure; Packet Format - YASKAWA DX100 Instructions Manual

DX100
3

Transmission Procedure

3.1
Type Byte 0
Identifier Fixed character strings for identification (YERC)
Data size Header part size
(fixed to 0x20)
Reserve 1 / Reserve 1
processing division (fixed to "3")
Block No.
Reserve 2 Reserve2 (fixed to "99999999")
Sub-header Command No.
Attribute
Data division Data division (variable:479Byte at maximum)
3 Transmission Procedure

3.1 Packet Format

Packet Format
Transmission packet of the high-speed Ethernet server function is
composed of header part (32 byte) + data part (changeable: 479 byte at
max.)
The transmission packet consists of "request", which transmits the data
from the PC to the DX100, and "answer", which transmits the data from
the DX100 to the PC.
The sub-header setting composition of "request" and "answer" are
different. And the setting value of the "answer" varies in accordance with
the replying contents.
Followings are the format of each packet.
Request (the PC to the DX100)
4 Byte
Byte 1 Byte 2
Data part size
(variable value)
Processing ACK
division
Instance
Service (when Padding
requested)
3-1
Byte 3
Request ID
Header part
(fixed to 32Byte)
HW1480958
162529-1CD
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