Automationdirect.com DirectLOGIC DL205 Series

DL205 User Manual, 4th Edition, Rev. B
5–156
Chapter 5: Standard RLL Instructions - Table
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
The following diagram shows the scan-by-scan results of the execution for our example
program. Notice how the pointer automatically cycles from 0 to 6, and then starts over at 1
instead of 0. Also, notice how SP56 is only on until the end of the scan.
Table Pointer (Automati call y Incremented)
Table Pointer (Automati call y Incremented)
V1401
0500
V1402
9999
V1403
3074
V1404
8989
V1405
1010
V1406 2046
V1407
XXXX
.
.
V1500
XXX X
Befor e TTD Executi on After TTD Executi on
Scan N
06
1
2
3
4
5
After TTD Execution
Scan N+1
After TTD ExecutionScan N+5
Destinati on
V1400
000 0
Table PointerTable
V1401
0500
V1402
9999
V1403
3074
V1404
8989
V1405
1010
V1406 2046
V1407
XXXX
.
.
V1500
0500
0
1
2
3
4
5
Destinati on
V1400
0001
Table Pointer (Automati call y Incremented)Table
V1401
0500
V1402
9999
V1403
3074
V1404
8989
V1405 1010
V1406
2046
V1407
XXXX
V15009999
06
1
2
3
4
5
Destinati on
V1400
0002
Table
V1401
0500
V1402 9999
V1403
3074
V1404
8989
V1405 1010
V1406
2046
V1407
XXXX
V15002046
06
1
2
3
4
5
Destinati on
V14000006
Table
Befor e TTD Executi on
V1401
0500
V1402
9999
V1403
3074
V1404
8989
V1405 1010
V1406
2046
V1407
XXXX
V1500050 0
06
1
2
3
4
5
Destinati on
V1400
000 1
Table PointerTable
V1401
0500
V1402 9999
V1403
3074
V1404
8989
V1405 1010
V1406
2046
V1407
XXXX
V1500101 0
06
1
2
3
4
5
Destinati on
V1400000 5
Table PointerTable
Befor e TTD Executi on
SP56 = OFF
SP56
SP56 = OFF
SP56
SP56 = ON
SP56
Table Pointer (Resets to 1, not 0)
After TTD ExecutionScan N+6
V1401
0500
V1402 9999
V1403
3074
V1404
8989
V1405
1010
V1406
2046
V1407 XXXX
V15000500
1
2
3
4
5
Destinati on
V1400
0001
Table
V1401
0500
V1402 9999
V1403
3074
V1404
8989
V1405
1010
V1406
2046
V1407 XXXX
V1500204 6
06
1
2
3
4
5
Destinati on
V1400
000 6
Table PointerTable
Befor e TTD Executi on
SP56 = OFF
SP56
SP56 = OFF
SP56
SP56 = OFF
SP56
SP56 = OFF
SP56
SP56 = OFF
SP56
6
06
until end of scan
or next instructi on
that uses SP56
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