24
5.2 Adjustment (Calibration) of the Frequency Meter
(Indicator)
Changing example Deflecting the meter (Analog indicator) to full-scale (Across
FM-SD: 1mA, across AM-5: 5V) at 60Hz
POINT
•
The calibration parameters "C1" can be made to be read by setting "1" (extended
function parameter valid) in Pr. 30 "extended function display selection".
•
Set the value of the calibration parameter C1 "FM (AM) terminal calibration".
MODE
5.
6.
Press the key to enable setting.
SET
SET
RUN
PU
EXT
4.
SET
9.
SET
Flicker ... Parameter setting complete!!
SET
7.
RUN
PU
EXT
RUN
RUN
+
-
8.
2.
MODE
Pr. 30 must be set to "1".
(For details, refer to steps 3 to 6
on page 18.)
3.
Turn the setting dial to show
" "
.
Operation
Display
1.
Confirm the RUN indication and operation
mode indication.
The inverter must be at a stop.
Press the key to show
SET
" "
.
The parameter
number read
previously
appears.
By turning the setting dial , you can read another parameter.
SET
Press the key to return to the " " indication (step 4).
SET
Press the key twice to show the next parameter ( ).
Press the key to choose the
parameter setting mode.
Turn the setting dial until the
calibration parameter C1 "FM (AM)
terminal calibration" appears.
Press the key to start the
inverter. (The motor need not be
connected.)
Press the key.
Setting is complete.
Turn the
setting dial to
adjust the indicator needle
to the desired position.
Analog indicator
Remarks
•
Depending on the set value, it may take some time for the needle to move.
•
If "1" is set in Pr. 30 "extended function display selection", the calibration parameter
C1 "FM (AM) terminal calibration" can also be set in the external operation mode.
POINT
By setting the Pr. 54 "FM (AM) terminal function selection" value, preset Pr. 55
"frequency monitoring reference" or Pr. 56 "current monitoring reference" to the
running frequency or current value at which the output signal is 1440 pulses/s (5V).
At 1440 pulses/s (5V), the meter generally deflects to full-scale.
