Mitsubishi Electric FR-A820-00046 Instruction Manual page 983

Parameters
● Batch write
The inverter writes the value to the specified devices.
– Request data
Item
Subcommand
First device No.
Device code
Number of devices
Writing data
Tab. 5-361: Request data description for batch write
– 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
H03 H04
Fig. 5-386:
Item
Subcommand
Number of devices for word access
Number of devices for double-word
access
Word access
Double-word access
Device No.
Device code
Tab. 5-362: Request data description for random read
FR-A800
Sub First
command device No.
H01 H14
Description
Specify the unit (bit/word) for writing.
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.
Specify the value to be written to all the devices specified by the Number of devices
in the request data.
Subcom- No. of No. of de-
mand devices vices for
for word double-
Device No.
access word ac-
cess
Request data for random read
Description
Specify the unit (bit/word) for reading.
Specify the number of devices for one-word access.
(bit device: 16 bits, word device: one word)
Specify the number of devices for two-word access.
(bit device: 32 bits, word device: two words)
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.
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.
Specify the number of the devices. (Refer to page 5-778)
Specify the type of the target devices. (Refer to page 5-777.)
Ethernet communication (FR-A800-E)
Device No. of
Write data
code devices
Specify the devices for the specified number of devices.
Word access
Device
Device Device No.
code
code
1 1
Double-word access
Device No. Device Device No.
code
1 1
Device
code
I003121E
5 - 781