Timer and Counter Instructions
3-6-11 RESET TIMER/COUNTER: CNR(545)/CNRX(547)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
Operand Specifications
282
Resets the timers or counters within the specified range of timer or counter
numbers.
BCD
CNR(545)
N1
N2
Binary
CNRX(547)
N1
N2
Variations
Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK
N
: First Number in Range
1
N
must be a timer number between T0000 and T4095 or a counter number
1
between C0000 and C4095.
N
: Last Number in Range
2
N
must be a timer number between T0000 and T4095 or a counter number
2
between C0000 and C4095.
Note N
and N
must be in the same data area, i.e., N
1
2
bers or counter numbers.
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Indirect DM/EM
addresses in binary
Indirect DM/EM
addresses in BCD
N
: First number in range
1
N
: Last number in range
2
N
: First number in range
1
N
: Last number in range
2
Step program areas
OK
OK
N
1
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C0000 to C4095
T0000 to T4095
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Section 3-6
CNR(545)/
CNRX(547)
@CNR(545)/
CNRX(547)
Not supported.
Subroutines
Interrupt tasks
OK
and N
must be timer num-
1
2
N
2
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C0000 to C4095
T0000 to T4095
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