Azbil C1M - Fixed-Length Random Data Write Command (WU Command)

7-12
Chapter 7. CPL Communication Function

Fixed-length random data write command (WU command)
This command writes data to random (non-consecutive) addresses in two-byte
units. Data is expressed in four hexadecimal digits.
z
Instruction message
Data is sent for the specified write data count with the data address (four
hexadecimal digits) of the data to be written and the data (four hexadecimal digits)
as a pair.
W U 0 0
(1) (2) (3) (4) (5) (6)
(1) Fixed-length random data write command
(2) Sub-command: fixed to “00”
(3) Word address 1
(4) Write data 1
(5) Word address n
(6) Write data n
z
Response message
If data is written, a termination code indicating success (two decimal digits) is
returned. If only part of the data is written, a termination code indicating warning
(two decimal digits) is returned. If none of the data is written, a termination code
indicating error (two decimal digits) is returned.
• Normal termination
0 0
(1)
• Abnormal termination or warning
X X
A termination code indicating an error is entered in place of XX.
7 - 6 List of Termination Codes (p.7-15) (for details about termination
codes)
(1)
(1) Termination code
z
Maximum write data count per message
64 words