Overview Of Trial Operation Procedure - YASKAWA Varispeed G7 Instruction Manual

Overview of Trial Operation Procedure

Perform trial operation according to the following flowchart.
Set power supply voltage. *1
Select
operating
(Quick programming mode)
method.
V/f
(Default: A1-02=0)
Set E1-03.
V/f default: 200V/60Hz(400V/60Hz)
Settings according
to control mode
50 m or heavy load possibly
Application settings
(Advanced programming mode)
Optimum adjustments and
Check/record constants.
-2
4
START
Installation
Wiring
Turn ON power.
Confirm status.
Basic settings
Vector (A1-02=2, 3, or 4)
V/f control?
YES
V/f with PG
(A1-02=1)
PG?
Set E1-03, E2-04, and F1-01.
V/f default: 200V/60Hz
(400V/60Hz)
Motor cable over
YES
causing motor to stall or
overload?
NO
Stationary autotuning for
line-to-line resistance only
*1 Set for 400 V Class Inverter for 55 kW or more.
No-load operation
*2 If there is a reduction gear between the motor and PG, set
Loaded operation
*3 Use rotational autotuning to increase autotuning accuracy
constant settings
*4 If the motor cable changes to 50 m or longer for the actual
END
*5 The default control mode is open-loop vector control 2
*6 If the maximum output frequency is different from the base
Fig 4.1 Trial Operation Flowchart
*5
*2
OK to operate
*3
motor during
autotuning?
YES
Rotational
*4
autotuning
the reduction ratio in F1-12 and F1-13 in advanced
programming mode.
whenever it is okay for the motor to be operated.
installation, perform stationary autotuning for the line-to-line
resistance only on-site.
(A1-02 =2).
frequency, set the maximum output frequency (E1-04)
after autotuning.
Load is
NO
connected to motor when YES
operating motor first time
after autotuning?
NO
Stationary
Stationary
autotuning 2
autotuning 1 *6 *6