4
Features and Main Functions Section 1-1
CPU Unit with
Dedicated Pulse I/O
Terminals: Y
In place of the X CPU Units' more numerous built-in I/O points, the Y CPU
Unit provides dedicated pulse I/O terminals (1 MHz).
• The CPU Unit has 12 inputs and 8 outputs built in.
• High-speed counters and pulse outputs can be used on four axes with the
CPU Unit alone.
The CPU Unit provides a high-speed pulse output of up to 1 MHz, and
can handle linear servos.
• The CP1H can be expanded to a maximum total of 300 I/O points by
using CP-series Expansion I/O Units.
• Using CP-series Expansion Units also allows extra functions (such as
temperature sensor inputs) to be added.
• Installing an Option Board enables RS-232C and RS-422A/485 communi-
cations for connecting to Programmable Terminals, Bar Code Readers,
Inverters, etc.
• Using CJ-series CPU Bus Units enables communications with higher and
lower level devices.
Note Settings in the PLC Setup determine whether each input point is to be used
as a normal input, interrupt input, quick-response input, or high-speed
counter. The instruction used to control each output point determines whether
it is used as a normal output, pulse output, or PWM output.
2 high-speed counters
1 MHz (single phase)
Pulse inputs
Pulse outputs
12 built-in inputs (Functions
can be assigned.) (See note.)
Normal inputs (12)
Interrupt inputs (6)
Quick-response inputs
(6)
High-speed counter
(2 axes)
100 kHz (single phase)
8 built-in outputs (Functions
can be assigned.) (See note.)
Normal outputs (8)
2 pulse outputs
100 kHz
2 PWM outputs
2 pulse outputs
1 MHz
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