108 ACE-tronics G9 ASD Installation and Operation Manual
V/I Input Point 1 Setting
Program Frequency Speed Reference Setpoints
This parameter is used to set the gain and bias of the isolated V/I input terminal
when the V/I terminal is used as the control input while operating in the Speed
Control mode or the Torque Control mode.
This parameter sets the V/I input level that is associated with the V/I Input
Point 1 Frequency (F202) setting when operating in the Speed control mode or
is associated with the V/I Input Point 1 Rate (F205) setting when operating in
the Torque Control mode.
Note: See note on pg. 55 for additional information on the V/I
terminal.
V/I Input Speed Control Setup
Perform the following setup to allow the system to receive S
peed control input
at the V/I input terminal:
•Set SW2 of the ACE G9-120V-PCB to Vo ltage or Current (see Figure 8
on pg. 24).
• Program Fundamental Standard Mode Selection Frequency Mode
1 V/I.
• Program Fundamental Standard Mode Selection Command Mode
Selection Terminal Board.
Speed Control
Perform the following setup to allow the system to perform Speed control from
the V/I input terminal:
•Set V/I Input Point 1 Frequency (F202).
•Set V/I Input Point 1 Setting (F201) — the input analog signal level that
corresponds to the frequency setting at V/I Input Point 1 Frequency.
•Set V/I Input Point 2 Frequency (F204).
•Set V/I Input Point 2 Setting (F203) — the input analog signal level that
corresponds to the frequency setting at V/I Input Point 2 Frequency.
• Provide a Run command (F and/or R).
Once set, as the V/I input voltage or current changes, the output frequency of
the ASD will vary in accordance with the above settings.
This parameter value is entered as 0% to 100% of the V/I input signal range.
The V/I input is commonly used for a 4 – 20 mA current loop signal where
4 mA equals 20% of a 20 mA signal. Set this parameter to 20% for 4 – 20 mA
current loop signal applications.
Note: When using the isolated V/I input terminal the IICC terminal
must be used as the return (negative) connection.
Direct Access Number — F201
Parameter Type — Numerical
Factory Default — 0
Changeable During Run — Ye
s
Minimum — 0
Maximum — 100
Units — %
Frequency Settings
F201 F201
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