Azbil AUR355 - Numerical Representation in the Application Layer; RS, WS Commands; RD, WD, RU, WU Commands

11
Chapter 4. Communication
Each numerical value must be expressed with unnecessary zeros suppressed.
The following shows the specifications, including a case where zero is not suppressed. All master station command
messages must be sent with unnecessary zeros suppressed.

RS, WS commands
Item Specification Error Handling
Unnecessary spaces Cannot be appended. An error end code
is returned in the
response message.
Numerical value = zero Cannot be omitted.
“0” must be used.
Other unnecessary
characters
To represent a negative number,
add “−” to the beginning of the
number.
Other characters cannot be
appended.
For positive numbers, “+” must not
be added.
Range of available
numerical values
−32768 to +32767
This range must not be exceeded.

RD, WD, RU, WU commands
Item Specification Error Handling
Unnecessary spaces Cannot be appended. An error end code
is returned in the
response message.
Numerical value = zero Cannot be omitted.
“0000” must be used.
Other unnecessary
characters
Cannot be appended.
Range of available
numerical values
0000H–FFFFH
4 - 2 Numerical Representation in the Application Layer