Omron CP - PROGRAMMING MANUAL 05-2007 - Page 214

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Timer and Counter Instructions Section 3-5
A TMHH(540)/TMHHX(552) instruction’s PV and Completion Flag are
refreshed as shown in the following table.
3-5-4 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.
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).
Operand Specifications
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 is not 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)
TTIM(087)
N
S
Timer input
Reset in
p
ut
N: Timer numbe
r
S: Set value
TTIMX(555)
N
S
Timer input
Reset in
p
ut
N: Timer numbe
r
S: Set value
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
Area N S
CIO Area --- CIO 0 to CIO 6143
Work Area --- W0 to W511
Holding Bit Area --- H0 to H511
Auxiliary Bit Area --- A0 to A959
Timer Area 0000 to 4095 (decimal) T0000 to T4095