Control Period - Toshiba TOSDIC-CIE DS Manual

Appendix2. The diffrence between DPCS and DPCS Emulator

Control period

In a DPCS emulator, each control card of DPCS is registered to either a main scan or a high-speed scan.
The program of each control card is executed according to the execution time of a main scan or a
high-speed scan. An execution order in the same scan is an order of a slot number. Below, registration of
a control card and the example of the order of execution are shown.
Slot
Number
15
16
21
22
23
24
31
32
33
34
35
36
39
Operation in a main scan and a high-speed scan is performed in order of a slot for every control card as
shown below.
Check
download
Control card
Slot 11
54
Table A2.12 An execution order and a slot number
Control card Scan setting
Main/High-speed
VSCPX2 Main
VACPX2 Main
VLCPX5 Main
VLCPX5 Main
VLCPX5 High-speed
VLCPX5 High-speed
－
VDOPX1
－
VDOPX1
－
VDOPX1
－
VDINX1
－
VDINX1
－
VDINX1
VPCPX2 Main
Input Gather
from V-Para
I/O
. . . . . Control card
Slot NN
Figure A2.1 High-speed scan
Execution order of
High-speed scan
1
2
Execute program Make
RAW
data
. . . . . Control card
Slot 6A
Execution order of
Main scan
1
2
3
4
5
Output
to I/O
Tracking