Omron KP**G-OD Series Communications Manual page 27

3-4-2 Composite read from variable area (KPL only)
This service reads in order the contents of specified addresses in a variable area.
This command cannot mix variable type C_, variable type 4_, and variable type D_.
Command
 Service Request PDU
MRC SRC
0 1 0 4
2 2
Response
 Service Response PDU
MRC SRC
0 1 0 4
2 2
(1) Variable Type and Read Address
Refer to 5-1 Variable Area (Setting Range) List for information on all types.
(2) Bit Position
Always "00" because there is no bit access.
(3) Number of Elements
Number of elements
0000
1~33
1~25
Grid Connect Photovoltaic Inverter KPG/KPL Communication Manual
Variable Bit
Read address
type position
0 0
2 4 2
Response code
Variable
(MRES+SRES)
type
4 2
V
Processing
The read operation is not performed (read data is not
appended to the service response PDU), and processing ends in
"normal completion."
When the variable type is "4_"
The read operation is performed, and processing ends in "normal
completion"
When the variable type is "C_" or "D_"
The read operation is performed, and processing ends in "normal
completion"
Variable Bit
Read address
type position
0 0
2 4 2
Variable
Read address
type
2 4
Variable
type
2 or 8
2
ariable Read
type data
2 2 or 8
3 Compoway/F
Bit Variable
Read address
position type
0 0
2 2 4
Read
data
2 or 8
V
ariable Read
type data
2 or 8
3
Bit
position
0 0
2
3 - 11