ACE-tronics G9 ASD Installation and Operation Manual 227
My Function Operating Mode
Program My Function Selection
This parameter Enables/Disables the configured My Function feature of the
ACE-tronics G9 ASD.
Settings:
None (Disabled)
My Function with Terminal Board Signal (ACE G9-120V-PCB)
My Function Always On
My Function
The My Function feature is configured using the settings of F900 to F977 and
is used to enhance the programmability of the ASD by performing two
programmable functions: 1) the Combined Terminal Function, and 2) Logic
Operations.
Combined Input Terminal Function
Assigning more than one function to a discrete input terminal provides two
adva
ntages: it effectively expands the number of input terminals, and reduces
the number of cables required to support the input/output functions (e.g.,
assigning Accel/Decel Switching selections to one terminal). Using Virtual
Terminals 1 – 4 (F973 – F976) are required to use this function.
In the example below, the A
ccel/Decel Switching 1 terminal assignment and
the Accel/Decel Switching 2 terminal assignment will be combined as one
terminal to illustrate this feature. However, any two of the discrete input
terminal assignments listed in Table 7 on pg. 236 may be combined in this
manner.
Note: Acc
el/Decel Switching requires the use of two discrete input
terminals to select the user-configured Accel/Decel profiles
identified with the binary numbers 1 – 4 (i.e., 00=1
B
, 01=2
B
,
10=3
B
, and 11=4
B
).
Setup (Input Terminal Example)
1. Disable the My Function parameter at F977 to prevent the system from
starting upon completion of the setup.
2. Assign the Accel/Decel Switching 1 function to the I1 terminal (F113).
3. Assign the Accel/Decel Switching 2 function to Virtual Input Terminal 1
(F973).
4. Set Input Function Target 1 to 5 (F900). This setting assigns I1 as the
control input terminal.
5. Set Output Function Assigned to 21 (F905). This setting is a command
that writes the F113 selection (I1) to Virtual Input Terminal 1, activating
both.
(Continued on pg. 228)
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
set
tings 1 or 2, the motor may start
and engage the driven equipment
unexpectedly upon receiving a Run
signal during the My Function setup.
F977 F977
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