Download 1775-6.4.1, PLC-3 Family Programmable Controller, Programming

Appendix A
Instruction Set Execution Times
and Memory Usage
Table A.Q
Execution Times for Logical-AND, -OR, and -XOR Instructions
Execution times in microseconds for the data
table sections
O, O to O
D, D to D
N, N to N
B, B to B
F, F to F
true
30
35
46
0:400 and 0:n to 0:(n+1)
true
40
35
46
1:n and 19:n to 19:(n+1)
true
37
36
47
20:n and n:n to n:(n+1)
true
57
65
75
Manipulate words
And the
rung is
0:0 and 0:1 to 0:2
If the rung is false, the processor scans the rung in three microseconds.
Table A.R
Execution Times for a File-to-file Move Instruction
Execution times in microseconds for the data
table sections
Move file
And
d the
rung is
O to B
O to O
N to N
F to F
0 to file 1 (ACT/WD)
true
64/26
64/26
64/27
66/33
17 to file 18
true
64/27
66/26
64/27
66/33
20 to file 21
true
83/27
79/27
84/26
86/32
If the rung is false, the processor scans the rung in three microseconds.
ACT = time for the processor to activate the file-to-file move
WD = time for the processor to move each word in the file
Table A.S
Execution Times for a Word-to-file Move Instruction
Execution times in microseconds for the data
table sections
Move word
And
d the
rung is
O to B
O to O
N to N
F to F
0:0 to file 1 (ACT/WD)
true
62/21
62/21
64/21
71/22
17:0 to file 18
true
65/21
65/21
66/20
70/23
20:0 to file 21
true
85/20
81/20
85/20
90/22
If the rung is false, the processor scans the rung in 26 microseconds.
ACT = time for the processor to activate the word-to-file move
WD = time for the processor to move each word
A-8