Omron CPM2C-S100C Operation Manual page 108

Allocation of Word and Bit Addresses
CompoBus/S I/O Areas
Work Bits
SR Area
TR Area
HR Area
AR Area
LR Area
Timer/Counter Area
86
2. Output bits IR 01000 and IR 01001 can operate as normal inputs or they
can be used for pulse outputs with PULS(65), SYNC(––), or PWM(––).
(Use a CPU Unit with transistor outputs for the pulse output functions.)
Instruction
PULS(65) With SPED(64):
Single-phase pulse output without acceleration or deceleration
With ACC(––):
Single-phase pulse output with trapezoidal acceleration and
deceleration
SYNC(––) Synchronized pulse control output
PWM(––) Variable duty-ratio pulse output
IR area bits from IR 02000 to IR 02715 (the input area) and IR 03000 to
IR 03715 (the output area) are allocated to CompoBus/S Slaves. IR words
that are not allocated to CompoBus/S inputs or outputs can be used as work
words.
The work bits can be used freely within the program. They can only be used
within the program, however, and not for direct external I/O.
These bits mainly serve as flags to PC operation or contain present and set
values for various functions. Words SR 253 to SR 255 are read-only. For
details on the various bit functions, refer to 4-4 SR Area.
When a complex ladder diagram cannot be programmed in mnemonic code
just as it is, these bits are used to temporarily store ON/OFF execution condi-
tions at program branches. They are used only for mnemonic code. When
programming directly with ladder diagrams using the SYSMAC Support Soft-
ware (SSS) or the SYSMAC-CPT Support Software, TR bits are automatically
processed for you.
The same TR bits cannot be used more than once within the same instruction
block, but can be used again in different instruction blocks. The ON/OFF sta-
tus of TR bits cannot be monitored from a Programming Device.
Examples showing the use of TR bits in programming are provided in the
CPM1/CPM1A/CPM2A/CPM2C/SRM1(-V2) Programming Manual (W353).
These bits retain their ON/OFF status even after the PC power supply has
been turned off or when operation begins or stops. They are used in the same
way as work bits.
These bits mainly serve as flags related to PC operation. These bits retain
their status even after the PC power supply has been turned off or when oper-
ation begins or stops. For details on the various bit functions, refer to 4-5 AR
Area.
These bits are used to exchange data when the CPM2C-S is linked 1:1 with
another CPM2C-S or a CPM1, CPM1A, CPM2A, CPM2C, SRM1(-V2),
CQM1, CQM1H, C200HS, or C200HX/HG/HE PC.
This area is used to manage timers and counters created with TIM, TIMH(15),
TMHH(––)*, TIML(––)*, CNT, and CNTR(12). The same numbers are used for
both timers and counters and each number can be used only once in the user
program. Do not use the same TC number twice even for different instruc-
tions.
Use TC numbers 000 through 003 for TIMH(15) and TC numbers 004 to 007
for TMHH(––)*. When these timer numbers are used, timing is performed as
an interrupt process and the cycle timer does not affect timer operation.
TC numbers are used to create timers and counters, as well as to access
Completion Flags and present values (PVs). If a TC number is designated for
Section 4-1
Function