233
MODBUS PID feedback setting
0x2004
Parameter setting
0x0000
~
0x0F15
3) 03H read multiple parameters
(
8 items continuously at most
)
Inquiry information frame format
(
send frame
)
:
Address
01H
Function
03H
Starting data address
00H
01H
Number of Data(Byte)
00H
02H
CRC CHK High
95H
CRC CHK Low
CBH
Analysis of this segment data
:
01H is the address of the driver
03H read function code
0001H is start address, equivalent to F0.01 of control panel
0002H is item count of menu, i.e. the two items of F0.01 and F0.02
95CBH is 16 bits of CRC check code
Response information frame format
(
return frame
)
:
Address
01H
Function
03H
DataNum*2
04H