3 Description of functions
3-46
3.5.7.1. List of Commands
The following is a list of commands. The following "Subcommands" will differ depending on the device specified. Refer to
section 3.5.7.2
onward in this manual.
Command Subcommand Description Reference
The value is read in bit devices (with
consecutive device numbers) in 1-bit units.
002
● The value is read in bit devices (with
consecutive device numbers) in 16-bit units.
● The value is read in word devices (with
consecutive device numbers) in 1-word units.
The value is written to bit devices (with
consecutive device numbers) in 1-bit units.
002
● The value is written to bit devices (with
consecutive device numbers) in 16-bit units.
● The value is written to word devices (with
consecutive device numbers) in 1-word units.
Random
002
The value is read in the devices with the
specified numbers. The devices with
non-consecutive numbers can be specified.
The value is read from the word devices in
Random
Random
003
The value is written to the bit devices with the
specified device numbers (each set of 1 bits
has a device number). The devices with
non-consecutive numbers can be specified.
Random
002
● The value is written to the bit devices with the
specified device numbers (each set of 16 bits
has a device number). The devices with
non-consecutive numbers can be specified.
● The value is written to the word devices with
the specified device numbers (each word or
each set of two words has a device number).
The devices with non-consecutive numbers
Performs a test to determine whether
communication with external devices is normal.
3.5.7.3 Self Test
(Loopback Test)