Allen-Bradley PLC-5 - Page 334

Publication 1785-UM012D-EN-P - July 2005
D-34 Instruction Set Quick Reference
Category Code Title Time (µs)
Integer
Time (µs)
Floating Point
Words of
Memory
(1)
True False True False
Program Control LBL label 0.16 0.16 2
END end negligible 1
TND temporary end 1
EOT end of transition 1
AFI always false 0.16 0.16 1
ONS one shot 3.0 3.0 2-3
OSR one shot rising 6.2 6.0 4-6
OSF one shot falling 6.2 5.8 4-6
FOR/
NXT
for next loop 8.1+ L[15.9]+
(file# - 2) *
0.96
5.3 + N[0.75] FOR 5-9
NXT 2
BRK break 11.3 + N[0.75] 0.9 1
UID user interrupt disable
(PLC-5/11, -5/20,
-5/30, -5/40, -5/60,
and -5/80 controllers)
175
119
1.0 1
UIE user interrupt enable
(PLC-5/11, -5/20,
-5/30, -5/40, -5/60,
and -5/80 controllers)
170
100
1.0 1
(1)
Use the larger number for addresses beyond 2048 words in the controller’s data table.
L = number of FOR/NXT loops
N = number of words in memory between FOR/NXT or BRK/NXT