Counter instructions, Program control instructions – Maple Systems MAPware-7000 User Manual
Page 18
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MAPware-7000 Ladder Logic Guide
10
1010-1041 rev. 00
Counter Instructions
These are instructions which run counters.
Instruction Name
Symbol
Description
Execution
Time (μSec)
Counter
When the input is ON, timer will update
according to the time specified
(hundredths of second) in Operand A.
Time elapsed is recorded in Operand B.
When time reached, output is turned ON.
4.4 μsec
Up/Down Counter
While enable input (E) is ON, this counter
increments/decrements the number of
cycles (once per scan) while count input
(C) is ON, and puts the result in target
Counter address. The counter counts up
if input (U) is ON, counts down if input
(U) is OFF.
1.3 μsec
Program Control Instructions
These are instructions which do program control.
Instruction Name
Symbol
Description
Execution
Time (μSec)
Subroutine call
Calls the target subroutine.
2.7 μsec
Subroutine return
Returns to the calling logic block.
FOR
When input is ON, the segment of logic
between the FOR and NEXT statements.
3.3 μsec
NEXT
executes repeatedly during a scan until
the count is reached.
Master Control Set
The Master Control Set (MCS) and Master
Control Reset (MCR) instructions turn.
2.3 μsec
Master Control Reset
OFF the power rail between these
instructions when MCS input is OFF.
Jump Control Set
Jumps from Jump Control Set (JCS) to the
Jump Control Reset (JCR) when input
1.8 μsec
Jump Control Reset
to JCS is ON.
Enable Interrupt
Allows execution of interrupt programs.
5.2 μsec