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

Page: 983 / 1218

Parameters Ethernet communication (FR-A800-E)
FR-A800 5 - 781
●
Batch write
The inverter writes the value to the specified devices.
– Request data
– Response data
None
●
Read random
The inverter reads the value in the devices with the specified numbers. The devices with non-
consecutive numbers can be specified.
– Request data
Sub
command
First
device No.
Device
code
No. of
devices
Write data
H01 H14
Item Description
Subcommand Specify the unit (bit/word) for writing.
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.
Writing data
Specify the value to be written to all the devices specified by the Number of devices
in the request data.
Tab. 5-361: Request data description for batch write
I003121E
Fig. 5-386: Request data for random read
Item Description
Subcommand Specify the unit (bit/word) for reading.
Number of devices for word access
Specify the number of devices for one-word access.
(bit device: 16 bits, word device: one word)
Number of devices for double-word
access Specify the number of devices for two-word access.
(bit device: 32 bits, word device: two words)
Word access
Specify the devices according to the number set in the request data for word access.
It is not necessary to specify the devices when "0" is set.
Double-word access
Specify the devices according to the number set in the request data for double word
access. It is not necessary to specify the devices when "0" is set.
Device No. Specify the number of the devices. (Refer to page 5-778)
Device code Specify the type of the target devices. (Refer to page 5-777.)
Tab. 5-362: Request data description for random read
H03 H04
1 1 1 1
Specify the devices for the specified number of devices.
Device
code
Device
code
Subcom-
mand
No. of
devices
for word
access
No. of de-
vices for
double-
word ac-
cess
Word access Double-word access
Device No. Device
code
Device No. Device No. Device
code
Device No.