Hitachi EH-150 Series, Руководство по применению

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Appendix
A - 24
Task code HA5
Forced set/reset with I/O number designation
(Random N points)
Classification
I/O Control

Function
Designates N points (words) of I/O numbers randomly, and forcibly sets the designated data or resets the data
area.
* This task code can also be executed when the CPU is not occupied.

Execution condition
CPU Status
Occupation
STOP RUN HALT ERROR
READ occupation
   
WRITE occupation
   
Not occupied
   

Request format
H A 5 (a) (c) (b) (d)
(c) (b) (d)
(a) Number of bits / Number of words H01 to H28 (1 to 40)
(b) I/O code (refer to the I/O code table)
(c) I/O number (refer to I/O number decimal/hexadecimal conversion chart)
(d) Set / reset data
(Bit data)
0 ON : 1, OFF : 0 0 0
(Word data)
H0000 to HFFFF

Response format
H A 5 (a)
(a) Response task code
For task codes other than the normal task codes, refer to the “response list by
task code” at the end of this chapter.
* The EH-150 returns “H00” (normal execution) even for I/Os that are out of
range.

Example
Write “1” to R7 and RE.
Request : STX 2 FFFF0000 A5 02 02 000007 0001 02 00000E 0001 84 CR
Request (ASCII) : 02 32 4646464630303030 4135 3032 3032 303030303037 30303031
3032 303030303045 30303031 3834 0D
Response : STX FFFF0000 00 A5 SUM CR