1-1SectionCPM2A Features and Functions
3
thermometers. The PID(––) instruction can be used with a Temperature Sensor
Unit for easy temperature monitoring.
CompoBus/S I/O Link Units can be connected to make the CPM2A a Slave De-
vice in a CompoBus/S Network. The I/O Link Unit has 8 input bits (internal) and
8 output bits (internal).
The CompoBus/S Network provides distributed CPU control based on a “PC +
compact PC” configuration, which is an improvement on the earlier distributed
I/O control based on a “PC + remote I/O” configuration. The distributed CPU
control makes equipment modular, so designs can be standardized, special
needs can be addressed, and modules can be replaced easily in the event of a
breakdown.
Master PC
CompoBus/S Master Unit
(or SRM1 CompoBus/S Master Control Unit)
CPM2A (Slave) CompoBus/S I/O Link Unit
CompoBus/S
Distributed CPU control
The same Programming Devices, such as Programming Consoles and Support
Software, can be used for the C200H, C200HS, C200HX/HG/HE, CQM1,
CPM1, CPM1A, CPM2C, and SRM1 (-V2) PCs, so existing ladder program re-
sources can be used effectively.
Built-in Motor Control Capability
Synchronized pulse control provides an easy way to synchronize the operation
of a peripheral piece of equipment with the main equipment. The output pulse
frequency can be controlled as some multiple of the input pulse frequency, al-
lowing the speed of a peripheral piece of equipment (such as a supply conveyor)
to be synchronized with the speed of the main piece of equipment.
Encoder
CPM2A
Motor driver Motor
Pulses are output as a fixed multiple of the input frequency.
The CPM2A has a total of five high-speed counter inputs. The one high-speed
counter input has a response frequency of 20 kHz/5 kHz and the four interrupt
inputs (in counter mode) have a response frequency of 2 kHz.
The high-speed counter can be used in any one of the four input modes: differen-
tial phase mode (5 kHz), pulse plus direction input mode (20 kHz), up/down
pulse mode (20 kHz), or increment mode (20 kHz). Interrupts can be triggered
when the count matches a set value or falls within a specified range.
The interrupt inputs (counter mode) can be used for incrementing counters or
decrementing counters (2 kHz) and trigger an interrupt (executing the interrupt
program) when the count matches the target value.
CPM2A PCs with transistor outputs have two outputs that can produce 10 Hz to
10 kHz pulses (single-phase outputs).
When used as single-phase pulse outputs, there can be two outputs with a fre-
quency range of 10 Hz to 10 kHz with a fixed duty ratio or 0.1 to 999.9 Hz with a
variable duty ratio (0 to 100% duty ratio).
CompoBus/S I/O Link
Units
Share Programming
Devices
Synchronized Pulse
Control
(Transistor Outputs Only)
High-speed Counters and
Interrupts
Easy Position Control
with Pulse Outputs
(Transistor Outputs Only)
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