221
Using Intelligent Output Terminals Section 4-6
4-6-30 Major Failure Signal
The inverter gives out the major failure signal in addition to an alarm signal
when it trips because of one of the errors listed in note down below.
4-6-31 Window Comparator for Analog Inputs
The window comparator function outputs signals when the value of analog
inputs [O] and [OI] are within the maximum and minimum limits specified for
the window comparator. You can monitor analog inputs with reference to arbi-
trary levels (to find input terminal disconnection and other errors).
Refer to SECTION 3 Configuring Drive Parameters on page 59 for detailed
information.
4-6-32 Frequency Command Source, Run Command Source
Option
Code
Terminal
Symbol
Function
Name
State Description
53 MJA Major fail-
ure signal
ON
OFF
Valid for inputs: 11, 12, AL0 - AL2
Required settings:
Notes:
• The output applies to the tripping caused by hardware as shown below.
Option
Code
Terminal
Symbol
Function
Name
State Description
54 WCO Window
comparator
for analog
voltage input
ON [O] input is inside of the window
comparator
OFF [O] input is outside of the window
comparator
55 WCOI Window
comparator
for analog
current input
ON [OI] input is inside of the window
comparator
OFF [OI] input is outside of the window
comparator
Valid for inputs: 11, 12, AL0 - AL2
Required settings: b060~b065, b070, b071
Notes:
• Output values of ODc and OIDc are the same as those of WCO and WCOI,
respectively.
Option
Code
Terminal
Symbol
Function
Name
State Description
58 FREF Frequency
command
source
ON
OFF
59 REF Run
command
source
ON
OFF
Valid for inputs: 11, 12, AL0 - AL2
Required settings:
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