Framing Of Query And Response - Mitsubishi Electric AE630-SW Instruction Manual

5.4 Framing of Query and Response

<Read Holding Registers（Function code : 03H）>
Query framing
**H 03H
Slave Function
address Code

Slave address
 Starting address
 Quantity of registers ：Maximum 125

CRC
Response framing （Maximum 255 bytes）
**H 03H
Slave Function
address Code

Byte count of response data
＜Example＞ In case of monitoring from instantaneous current in Phase 1 （0300H） to apparent power （0326H）.
Slave address ：01H
Query framing
01H 03H
Slave Function
address Code
Response framing
01H 03H
Slave Function
Address Code
<Preset Multiple Registers（Function code :10H）>
Query framing （Maximum 255 bytes）
**H 10H Hi
Slave Function
address Code
 Slave address
 Starting address
 quantity of registers ：Maximum 123
 Byte count
 Preset data
 CRC
Response framing （If the slave address is 0 (broadcast), a response is not made.）
**H 10H
Slave Function
address Code
＜Example＞ In case of setting from Date and time (YYMM) (20EH) to Contact output(211H).
Slave address ：01H
Query framing
01H 10H 02H
Slave Function starting
address Code address
Response framing
01H 10H
Slave Function
address Code
Hi Lo
Starting address
：1～7FH
：2 bytes
：2 bytes
Byte
Hi Lo
count
data 1
：maximum 250
03H 00H
Starting address
4EH H L
Byte count I1
Lo Hi Lo
Starting quantity of
address registers
：0～7FH，0 means broadcasting.
：2 bytes
：Maximum 246
：Minimum 2 bytes
：2 bytes
Hi Lo
starting address
0EH 00H 04H 08H
quantity of Byte
registers count
02H 0EH
starting address
Hi Lo
quantity of registers
Hi Lo
data 2
00H 27H
quantity of registers
H L
I2
Hi Lo Hi
Byte
data 1 data 2
count
Hi Lo
quantity of registers
H L H L
YY MM DD HH
*BCD code
00H 04H
quantity of registers
E-19
Lo Hi
CRC
Lo Hi
CRC
Lo Hi
CRC
H L Lo Hi
Apparent
CRC
Power
Lo Lo Hi
CRC
Lo Hi
CRC
H L H L Lo
Contact
MM SS
Output
Lo Hi
CRC
Hi
CRC