Azbil SDC36 - 7 - 5 Numeric Representation in the Application Layer

7-14
Chapter 7. CPL COMMUNICATION FUNCTION
7 - 5 Numeric Representation in the Application Layer
The specifications of numeric representation are decimal variable-length (zero suppress) for RS and WS commands
and hexadecimal fixed-length for RD, WD, RU and WU commands. Details are as follows:

RS and WS commands
Item Specifications Remedies
Unwanted space Cannot be appended. The message processing is
aborted and an abnormal
termination code is
returned as a response
message.
Unwanted zero Cannot be appended.
Numerical value = zero Cannot be omitted.
Be sure to use "0".
Other unwanted
characters
Numerical values may be prefixed
with a "-" expressing a negative
number. Any other character
cannot be appended. The "+" sign
must not be appended to indicate
positive numerical values.
Range of available
numerical values
-32768 to +32767
Values out of this range are not
allowed.

RD, WD, RU and WU commands
Item Specifications Remedies
Unwanted space Cannot be appended. The message processing is
aborted and an abnormal
termination code is
returned as a response
message.
Unwanted zero Cannot be appended.
Numerical value = zero Cannot be omitted.
Be sure to use "0000".
Other unwanted
characters
Cannot be appended.
Range of available
numerical values
0000H to FFFFH