Mitsubishi Electric FR-A820-00046 (0.4K), Instruction Manual

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