YASKAWA MP3000 Series - Page 411

2.16 Details on Protocols
Extended MEMOBUS Protocol
2-393
Ethernet Communications
 Reading the Contents of Registers Using 32-bit Addressing
7••••••••••0
7••••••••••0
(H)
(L)
(LL)
(LH)
(HL)
(HH)
(L)
(H)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
Command
Length: 0C hex
MFC: 43 hex
SFC: 49 hex
CPU number
Not used.
Register type
Not used.
First address
Number of words
Response
Length: 08 hex +
Number of registers x 2
MFC: 43 hex
SFC: 49 hex
CPU number
Not used.
Register type
Not used.
Number of words
Data 1
Data 2
Data 3
Set the length of the response.
Always 43 hex.
The response will contain the sub function code that was set in the command.
Specify 4 bits each for the destination CPU number and the source CPU number.
This contains the number of words that were read.
This contains the contents that were read.
Set the length of the command.
Always 43 hex.
The sub function code to read the contents of registers is 09 hex.
Specify 4 bits each for the destination CPU number and the source CPU number.
Set the first address of the registers to read.
Set the number of registers to read.