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Timer and Counter Instructions
Section 3-6
The operation of the = Flag and N Flag depends on the model of the CPU
Unit. Refer to Flags, above, for details.
If online editing is used to convert a timer to another kind of timer with the
same timer number (such as TMHH(540)/TMHHX(552)
↔
TIM/TIMX(550) or
TMHH(540)/TMHHX(552)
↔
TIMH(015)/TIMHX(551)), be sure to reset the
Completion Flag. The timer will not operate properly unless the Completion
Flag is reset.
A TMHH(540)/TMHHX(552) instruction’s PV and Completion Flag are
refreshed as shown in the following table.
3-6-4
ACCUMULATIVE TIMER: TTIM(087)/TTIMX(555)
Purpose
TTIM(087)/TTIMX(555) operates an incrementing timer with units of 0.1-s.
The setting range for the set value (SV) is 0 to 999.9 s for TTIM(087) and 0 to
6,553.5 s for TTIMX(555). The timer accuracy is –0.01 to 0 s.
Note The timer accuracy for CS1D CPU Units is 10 ms + the cycle time
Ladder Symbol
Variations
Applicable Program Areas
Operands
N: Timer Number
The timer number must be between 0000 to 4095 (decimal).
S: Set Value
The set value must be between #0000 and 9999 (BCD).
Execution of
TMHH(540)/
TMHHX(552)
The Completion Flag is turned ON if the PV is 0000.
The Completion Flag is turned OFF if the PV isn’t 0000.
1-ms interval refreshing
The timer’s PV is updated every 1 ms.
PV
refresh
method
Symbol
Operands
BCD
N: 0000 to 15
(decimal)
S: #0000 to #9999
(BCD)
Binary
N: 00000 to 15
(decimal)
S: &0 to &65535
(decimal)
#0000 to #FFFF
(hex)
N
: Timer number
S
: Set value
TTIM(087)
N
S
Timer input
Reset input
N: Timer number
S: Set value
TTIMX(555)
N
S
Timer input
Reset input
Variations
Executed Each Cycle for ON Condition
TTIM(087)/
TTIMX(555)
Executed Once for Upward Differentiation
Not supported.
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Not supported.
Block program areas
Step program areas
Subroutines
Interrupt tasks
Not allowed
OK
OK
Not allowed
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...