Appendix B Task Codes Specifications
Task code list
No. Classification
Task code
number
Description Remarks
1 Response
00 Normal
execution
01
Task code error
02
Warning
03
Not-executable
05
BUSY
08
Network
error
2
CPU control
10
CPU status read
11
CPU run / stop designation
*1
16
CPU
occupancy/cancel
17
Forced release of occupancy
18
Calendar time clock set/read
1C
Line disconnection when a modem is connected.
3
Memory
20
Clear all
*1
write
23
Program transfer with address designation
*1
26
Write memory assignment
*1
27
Parameter modification completion
*1
28
Timer/counter set value modification
*1
4
Memory read
31
Program read with address designation
*1
33
Final ladder search
*1
35
Read memory assignment
*1
5
I/O control
40
Monitoring with I/O number designation (N continuous points)
42
Forced set/reset with I/O number designation (N continuous points)
44
Monitoring with I/O number designation (N random points)
45
Forced set/reset with I/O number designation (N random points)
11
I/O control
A0
Monitoring with I/O number designation (N continuous points)
(not
A2
Forced set/reset with I/O number designation (N continuous points)
occupied)
A4
Monitoring with I/O number designation (N random points)
A5
Forced set/reset with I/O number designation (N random points)
*1: Not supported on EHV-CPU.
B-3