Timer instructions – Maple Systems MAPware-7000 User Manual
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MAPware-7000 Ladder Logic Guide
1010-1041 rev. 00
value and stores in Operand B.
Timer Instructions
These are instructions which run timers.
Instruction Name
Symbol
Description
Execution
Time (μSec)
ON timer
While the input is ON, timer updates
according to the time specified
(hundredths of second) in Operand A.
Time elapsed is recorded in Operand B.
When time is reached, output is turned
ON and the update of Operand B stops.
When input is OFF, value in Operand B is
reset back to 0.
6.7 μsec
OFF timer
While the input is OFF, timer updates
according to the time specified
(hundredths of second) in Operand A.
Time elapsed is recorded in Operand B.
When time is reached, output is turned
OFF and the update of Operand B stops.
When input is ON, value in Operand B is
reset back to 0.
6.8 μsec
Single Shot timer
When the input is pulsed ON, timer
updates according to the time specified
(hundredths of second) in Operand A.
Time elapsed is recorded in Operand B.
Output is ON during this time until time is
reached, then Output is turned OFF and
remains OFF until input is pulsed again.
Value in Operand B is reset back to 0 if 1)
value equals preset value in Operand A
and then input is turned OFF or
2) input is turned OFF, value reaches
preset value, input is pulsed ON.
7.1 μsec