12-4-10
Chapter 12
Inverter Functions
12.4.9
Selecting and calculating two
commands to make a command
• Want to multiply gain to the command frequency.
• Want to make a command with two input values
summed up.
• Want to subtract a command to make
forward/reverse rotation.
• Want to switch two commands.
Parameters
• By selecting an operator, one can either switch
between main speed and auxiliary speed ([SCHG]
switching with [AA105]=00) or make a command
(arithmetic frequency) ([AA105] not equal to 00) on
the basis of addition, subtraction, or multiplication of
the two speeds.
Item
Parameters
Data
Description
Main
speed
command
selection
[AA101]
01~15
01: Ai1-L input, 02: Ai2-L input, 03: Ai3-L input, 07: parameter
setting, 08: RS485 communication, 12: pulse string input
(main body), 14: program function EzSQ, 15: PID arithmetic,
00: disabled (only for auxiliary speed)
Main speed
command
selection
[AA102]
Operator
selection
[AA105]
00
The arithmetic function is disabled and can be switched by
using the [SCHG] terminal.
01
(Main speed) + (auxiliary speed) is used for the command.
02
(Main speed) - (auxiliary speed) is used for the command.
03
(Main speed) x (auxiliary speed) is used for the command.
Input
terminal
function
[CA-01]~[CA-11]
015
[SCHG] Main speed and auxiliary speed are switched from
each other for the operation.
OFF: Main speed is effective, ON: Auxiliary speed is effective.
*) The operator needs to be [AA105]=00.
Q
A
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