Hitachi L100 Instruction Manual page 89

Option
Code
05
Option
Code
00
01
02
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Output Function Summary Table
Terminal
Function Name
Symbol
AL Alarm signal
Analog Summary Table - this table shows all three functions for the analog output FM
(frequency meter) terminal at a glance. Detailed descriptions, related parameters and
settings, and example wiring diagrams are in Chapter 4, starting on page 4–24.
Analog Function Summary Table
Terminal
Function Name
Symbol
A-F Analog frequency
monitor
A Analog current
output monitor
D Digital frequency
output monitor
Description
ON when an alarm signal has occurred and has not
been cleared
OFF when no alarm has occurred since the last
clearing of alarm(s)
Description
PWM (pulse-width-modulated) voltage output which has
a duty cycle proportional to the inverter output frequency
PWM (pulse-width-modulated) voltage output which has
a duty cycle proportional to the inverter output current to
the motor. It reaches 100% duty cycle when the output
reaches 200% of the rated inverter current.
FM (frequency-modulated) voltage output with a constant
50% duty cycle. Its frequency = inverter output frequency.
3–33
L100 Inverter