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CQM1-CQM1H Comparison Section 1-5
Interrupts Input inter-
rupts
(4 points
max.)
Input Interrupt Mode: Interrupts are executed from the CPU Unit’s built-in input points (4
points) in response to inputs from external sources.
Counter Mode: Interrupts are executed from the CPU Unit’s internal built-in input points (4
points) in response to inputs received a certain number of times, counted down.
Interval
timer inter-
rupts
(3 points
max.)
Scheduled Interrupt Mode: Program is interrupted at regular intervals measured by internal
clock.
One-shot Interrupt Mode: One interrupt is executed after a certain time, measured by the
internal clock.
High-
speed
counter
interrupts
Target-value comparison: Interrupts are executed when the high-speed counter PV is equal to
a specified value.
Range Comparison: Interrupts are executed when the high-speed counter PV lies within
specified ranges.
Counting is possible for high-speed counter
input from the CPU Unit’s internal input points,
Pulse I/O Boards or Absolute Encoder Inter-
face Boards.
Counting is possible for high-speed counter
input from the CPU Unit’s internal input
points and, for the CQM1-CPU43/44-EV1, for
input to ports 1 and 2.
Interrupts
from Serial
Communi-
cations
Board
Interrupt subroutines can be called from Serial
Communications Board using the interrupt
notification function.
Not supported
I/O bits
CQM1H-CPU11/21: 256 points
CQM1H-CPU51/61: 512 points
CQM1-CPU11/21-EV1: 128 points
CQM1-CPU41/42/43/44/45-EV1: 256 points
I/O points for Inner
Board slot 1
256 points (16 words)
Words used by Inner Board in slot 1:
IR 200 to IR 215
None
I/O points for Inner
Board slot 2
192 points (12 words)
Words used by Inner Board mounted to slot 2:
IR 232 to IR 243
64 points
(4 words)
CQM1-CPU43/44-EV1:
PVs of high-speed counters
1 and 2 are stored in IR 232
to IR 235.
Other CPU Units: IR 232 to
IR 235 can be used as work
bits.
64 points
(4 words)
CQM1-CPU43-EV1:
PVs of pulse outputs are
stored in IR 236 to IR 239.
Other CPU Units: IR 236 to
IR 239 are either used by
the system or can be used
as work bits.
96 points
(6 words)
CQM1-CPU45-EV1: Analog
input conversion values and
analog output values are
stored in IR 232 to IR 237.
Other CPU Units: IR 232 to
IR 237 can be used as work
bits.
Analog set values 64 points (4 words)
Words where analog set values are stored
when using the CQM1-AVB41 Analog Setting
Board: IR 220 to IR 223
64 points
(4 words)
CQM1-CPU42-EV1:
Analog set values are stored
in IR 220 to IR 223.
Other CPU Units: IR 220 to
IR 223 can be used as work
bits.
Item CQM1H CQM1
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