Appendix B Task Codes Specifications
Task code
H42
Forced set/reset with I/O number designation
(N continuous points)
Classification I/O
control
Function
Forcibly sets and resets the designated data in N continuous points (words) of data area, starting with the designated I/O.
Execution condition
CPU
status
STOP RUN HALT
ERROR
{
{
{
{
READ occupancy
Occupancy
{
{
{
{
WRITE occupancy
status
Format
Request
H42
(a)
(b)
(c)
(d)
(a) I/O
code
(b) I/O
number
(c) Number of bits
H01 to HC8 (1 to 200)
Number of words
H01 to H64 (1 to 100)
*1: Refer to the task code H40
(d) Set/reset
data
(d) Set/reset
data
(Bit data)
Number of points/8
1st
po
in
t
2n
d p
oi
nt
8
th po
in
t
bit7
0
Binary image (H00 to HFF)
*1
When the number of set/reset points is less than
8 points, set 0 to the open bits.
(Word data)
Binary image (H0000 to HFFFF)
H
L
1st word
Nth word
Word number value
Response
(a)
H42
(a) Response task code (H00 when executed normally)
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.
B-35
