H81 - H90: 2nd Motor Related Functions
These functions are displayed only when one of the multifunction inputs is set at ‘2nd func’
in I7 to I24.
The purpose of these parameters is to provide the user with a second set of motor
parameters selected with a digital input. This can be useful on test stands, where a user will
be testing different types of applications.
In the table below, the 1st functions are applied if the multifunction terminal is not defined
to '2nd Func' or if it is not ON. The 2nd function parameters are applied when the
multifunction input terminal is set to '2nd Func' and is ON. Parameters not listed on the
table below are applied to the 2nd motor as well as the 1st motor.
The 'User V/F' function of F29 [V/F Pattern] is used for both the 1st motor and the 2nd
motor.
z Note: The exchanging of motors must be performed when the motors are stopped.
An Overvoltage or overcurrent fault can occur when the motor connection is exchanged
during operation.
107
6 - Parameter Descriptions
Description 1st Functions 2nd Functions
Acceleration Time ACC [Accel time] H81 [2nd Acc time]
Deceleration Time dEC [Decel time] H82 [2nd Dec time]
Base Frequency F22 [Base Freq.] H83 [2nd Base Freq.]
Volts/Hz Pattern F30 [V/F pattern] H84 [2nd V/F pattern]
Forward Torque Boost F28 [FWD Boost] H85 [2nd Fwd Boost]
Reverse Torque Boost F29 [Rev Boost] H86 [2nd Rev Boost]
Stall Prevention Level F59 [Stall prevention level] H87 [2nd Stall prevention level]
ETH Level for 1 Minute F51 [ETH 1 min.] H88 [2nd ETH 1 min.]
ETH Level for Continuous F52 [ETH continuous] H89 [2nd ETH continuous]
Motor Rated Current H90 [2nd Motor rated current]
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