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4
67
Zero Hz Speed Detection Signal
The inverter outputs the 0Hz speed detection signal when the inverter output
frequency falls below the threshold level (
).
To use this function, assign “
(ZS)” to one of the intelligent output terminals.
Option
Code
Terminal
Symbol
Function Name
State
Description
ZS
Zero Hz speed
detection signal
ON
Output frequency is less than
OFF
Output frequency is not less than
Valid for inputs:
11, 12, AL0
– AL2
Example for terminal [11] (default output
configuration shown
– see
page 3-89
):
Example for terminal [AL0], [AL1], [AL2] (requires
output configuration
– see
page 4-51 and 3-91
):
See I/O specs on
page 4-6
Required settings
Notes:
The example circuit for terminal [11] drives a relay
coil. Note the use of a diode to prevent the
negative-going turn-off spike generated by the coil
from damaging the inverter’s output transistor.
RY
Inverter output
terminal circuit
CM2
11
ZS
AL1
Power
supply
Load
AL0
AL2
Inverter logic
circuit board
ZS
Содержание WJ200-001L
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Страница 63: ...2 14 Dimensional drawings continued Power Type W mm H mm D mm D1 mm 3 phase 200V WJ200 150LF 220 350 175 84 ...
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Страница 300: ...5 1 Inverter System Accessories In This Chapter page Introduction 2 Component Description 3 5 ...
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Страница 552: ...Ver 3 43 External register number 1218h A021 HIGH 1219h A021 Low Internal register number 120Fh A013 Access Denied ...
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Страница 674: ...Index 1 Index Index page A B C 2 D E F G H 3 I J K L M 4 N O P 5 Q R S 6 T U V W X Y Z 7 Index ...