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MA7200 PLUS Operating Manual
TECO – Westinghouse Motor Company App-2 Fan and Pump
PRGM
DRIVE
DSPL
EDIT
ENTER
key twice
Flashing
Keypad Steps
Resulting Display
1 - Press the
2 - Press the
3 - Press the
key until display shows
4 - Press the
key
key
An – 01 -
Freq. Cmd. 1
EDIT
ENTER
key to
save
5 - Press the
key
6 - Press the
Entry Accepted
2 Seconds
PRGM
DRIVE
7 - Press the
key to return to the main display.
Flashing
Flashing
To set parameter
Sn-24 = 0
Sn-01-
Inverter Capacity
Sn-64 =0
1
Normal PID 1
(Feedback Point VIN)
Sn-24
External Input
Sn-24 =
1
CMD. AIN
Sn-24 =
0
CMD. VIN
Step 3 -
Select Feedback Engineering Units (P1-01) and Scaling (P1-02)
Initially the display will read
output frequency
in
(Hz)
as the
factory default
and is set by parameter
(
Cn-28=0
).
If
(Cn-28)
is changed to (
1
)
,
then the display will read out in
(%).
The setting of
(Cn-28)
is only
valid
if
(P1-01=0),
which is the
factory default
. Other engineering units may be selected by parameter setting
(P1-01)
as
described on
the following page.
In this step, the feedback engineering units that the system is controlling such as
CFM
in Fan applications or
PSI
in
the case of Pumps can be selected by parameter
(P1-01)
.
(See Section 1 for additional selections)
. The
maximum
value that the engineering units will be in any given application is set by parameter
(P1-02)
. These selections will
now be displayed on the digital operator.
Example: A pump application that has a feeedback transducer with a maximum value of
150 PSI i.e. 150 PSI = 10 Vdc, can be set as follows.
Cont.