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Chapter 3 Function and Performance Specifications
3-5
No. Item Description
20 Interrupt input The external input of the basic unit can be specified for interrupt input. With the interrupt input,
the corresponding interrupt program can be executed.
21 PWM output The external output of the basic unit can be specified for pulse width modulated output. In this
case, pulses are output at the specified frequency with a duty between 0 and 100 %. A maximum
of 4 points, including the pulse array output, can be set.
22 Pulse train output The external output of the basic unit can be specified for pulse output. In this case, pulses are
output at the specified frequency with a duty between 30 and 70 %. A maximum of four points,
including the pulse output, can be set.
23 Analogue input The analogue input function is available in the 23-point type and analog exp. unit. The
resolution is 12 bits and it can be used by either selecting a current input between 0 and 20 mA
or a voltage input between 0 and 10 V.
24 Analogue output The analogue output function is available in the 23-point type and analog exp. unit. The
resolution is 12 bits and it can be used by either selecting a current output between 0 and 20 mA
or a voltage output between 0 and 10 V.
25 Potentiometer 14-point, 23-point, and 28-point types have two potentiometers, with which setting values etc.
can be changed without using the programming units.
26 Battery A dedicated battery can be installed in the 23-point and 28-point types so that data in the data
memory can be maintained even when the power supply to the main unit is shut off. In addition,
the data of the calendar clock in the 23-point and 28-poins types can be maintained. The battery
is an optional (model EH-MBAT).
Please refer to Chapter 15 (4) Life of the battery.
Note: There are functions supported by H series that are not supported by this PLC (debug, trace, force, and simulation functions).