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DeviceNet (MCW151-DRT-E only)
Section 4-2
Response Block
Parameters
Service code (command, response)
In the command, 37 Hex is specified. In the response, the leftmost bit is
turned ON and B7 Hex is returned.
Address H, Address L (command)
The address in hexadecimal of the first word of data to be read.
Address H: Leftmost 2 digits of the address in 4-digit hexadecimal (ignored
for MC Unit).
Address L: Rightmost 2 digits of the address in 4-digit hexadecimal.
For the VR memory, the maximum value is 250 (FA Hex).
Length H, Length L (command)
The number of VR memory elements to write.
Length H: Leftmost 2 digits of the length in 4-digit hexadecimal (ignored for
MC Unit).
Length L: Rightmost 2 digits of the length in 4-digit hexadecimal.
When an OMRON Master is being used, the maximum is 119 elements (77
Hex). The 119 VR elements imply 238 bytes to be transferred.
Write data (command)
The specified data should be written from word H (leftmost byte: bits 08 to 15)
to word L (rightmost byte: bits 00 to 07).
RESET
RESET will perform a software reset of both the MC Unit and the Servo Driver
(as DRV_RESET command).
Command Block
Response Block
28
01
00
00
00
02
B7
Source node address
Command
code
Response
code
No. of bytes
received
Service code
28
01
05
00
8A
00
01
Destination node address
Service code
Instance ID
Address H
Command
code
Class ID
28
01
00
00
00
02
85
Source node address
Command
code
Response
code
No. of bytes
received
Service code