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MA7200 PLUS Inverter 1 to 2 HP PID Fan and Pump Quick Start Manual
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TECO – Westinghouse Motor Company
13
Step 10 – Setting PID Parameters; Proportional Gain (Bn-17) and
Integral Time (Bn-18)
• After all external connections have been made and the protective covers have been
replaced, power up the inverter but do not run at this point.
• Parameters Bn-17 = 1.0 (Proportional Gain) and Bn-18 = 10.0s (Integral Time) are factory
set to the values shown. However, a good starting point for these values is setting the
Proportional Gain Bn-17 = 2.0
and the Integral Time Bn-18 = 5.0s. To change these
parameters, follow the keypad navigation procedure below.
PRGM
DRIVE
DSPL
Bn-01
key
Acc. Time 1
1 - Press the
2 - Press the
4 - Press the
key
key
An – 01 -
Freq. Cmd. 1
EDIT
ENTER
key to save.
6 - Press the
Entry Accepted
2 Seconds
Flashing
EDIT
ENTER
Flashing
To set parameter Bn-17 = 02.0
(Proportional Gain )
Keypad Steps
Resulting Display
3 - Press the
key until the display shows
Bn-17
PID P_ Gain
RESET
key twice; then the
key
5 - Press the
Flashing
Cn-19 = 050%
Freq Cmd Low Bound
Bn-17 = 01.00
PID P_ Gain
Bn-17 = 02.00
PID P_ Gain
Next set Bn-18 = 005.00