Mitsubishi Electric FR-A820-00046 Instruction Manual page 982

Ethernet communication (FR-A800-E)
When word devices are used, one word is specified in 16 bits as follows. The data is stored from the
lower byte (bit 0 to bit 7) to the upper byte (bit 8 to bit 15).
The user should switch the values in the upper and lower bytes in the response data for reading.
The user should switch the write values in the upper and lower bytes to store them in the request data
for writing.
Example Data stored in D50 / D51
Stored values for request or
Values to be read or written
Details of commands
● Batch read
The inverter reads the value in the specified devices.
– Request data
Item
Subcommand
First device No.
Device code
Number of devices
Tab. 5-360: Request data description for batch read
– Response data
The value read from the device is stored in hexadecimal.
5 - 780
A
response data
5
Sub First
command device No.
H01 H04
Description
Specify the unit (bit/word) for reading.
Specify the number of the first device. (Refer to page 5-778.)
Specify the type of the target devices. (Refer to page 5-777.)
Specify the number of target devices.
First device
H32 H00 H00
B 5 6
6 A B
The data in D50 is H56AB
(22187 in decimal).
Device No. of
code devices
Number
Device
of
code
devices
Data Data
HA8 H02 H00 HAB H56 H0F H17
0 F 1
1 7 0
The data in D51 is H170F
(5903 in decimal).
Parameters
7
F