Q9 ASD Installation and Operation Manual
185
Combined Output Terminal Function
Output terminals may also be combined to produce one output response to
multiple conditions using the computational operators of
.
Assigning more than one function to a discrete output terminal provides two
advantages: it effectively expands the number of input terminals, and reduces the
number of cables required to support the input/output functions (e.g., assigning
Low-Speed Detection and Low-Current Detection to one output terminal). Using
Virtual Terminals 1 – 4 (
) are required to use this function.
In the example below, the Low-Speed Signal (detection) terminal assignment and
the Low-Current Detection terminal assignment will be combined as one
terminal output to illustrate this feature. However, any two of the discrete output
terminal assignments may listed in
manner.
Setup (Example)
1.
Disable the My Function parameter at
to prevent the system from start-
ing upon completion of the setup.
2.
From Program
Direct Access
Unknown Numbers, select Enabled.
3.
Set the OUT1 terminal (
) to My Function Output 1 (222).
4.
Set Input Function Target 1 (
) to 1004 (Low-Speed Signal detection).
for a complete listing of available settings.
5.
Set Input Function Target 2 (
) to 1026 (Low-Current Alarm). See
for a complete listing of available settings.
6.
Set Input Function Command 1 (
) to AND (3).
This setting assigns an
operator to the Input Function Target 1 and the Input Function Target 2
settings.
7.
Set Output Function Assigned (
) to 1222.
This setting will transfer the
results of the logical AND to My Function Output 1 (OUT1).
8.
Enable the My Function parameter at
by selecting My Function
Always On.
With the aforementioned setup completed in the example, once the Low-Speed
Signal AND the Low-Current Alarm are active, the OUT1 terminal is activated
for the duration of the Low-Speed/Low-Current condition.
See the My Function Instruction Manual (P/N E6581335) for a complete
description of the setup requirements and operational information of the My
Function parameter.
Direct Access Number — F977
Parameter Type — Selection List
Factory Default — None (Disabled)
Changeable During Run — No
This parameter must always be set to
None at the start of the My Function
setup and remain set to None until all
of the My Function parameter
settings have been confirmed as
being correct.
If enabled for normal operation using
settings 1 or 2, the motor may start
and engage the driven equipment
unexpectedly upon receiving a Run
signal during the My Function setup.
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