Mitsubishi FR-A800

(A) Application parameters
524
PARAMETERS
NOTE
• When Pr.128 is set to "0" or the X14 signal is OFF, regular inverter running not dancer control is performed.
• Dancer control is enabled by turning ON/OFF the bits of terminals assigned the X14 signal by RS-485 communication or over
the network.
• When dancer control is selected, set the PID output suspension function (Pr.575 Output interruption detection time =
"9999")
• When Pr.561 PTC thermistor protection level  "9999", terminal 2 cannot be used for the main speed command. Terminal
2 becomes the PTC thermistor input terminal.
Selection of set point/measured value input method (Pr.609, Pr.610)
• Select the set point input method by Pr.609 PID set point/deviation input selection and the measured value input method
by Pr.610 PID measured value input selection. Switch the power voltage/current specifications of terminals 2 and 4 by
Pr.73 Analog input selection or Pr.267 Terminal 4 input selection to match the specification of the input device.
• When Pr.133 PID action set point  "9999", Pr.133 is the set point.
When the set point is set at Pr.133, the setting frequency of Pr.902 is equivalent to 0% and the setting frequency of Pr.903
is equivalent to 100%.
 When the same input method has been selected for the set point and measured value at Pr.609 and Pr.610, set point input is invalid. (Inverter
runs at set point 0%)
NOTE
• After changing the Pr.73 and Pr.267 settings, check the voltage/current input switch. Incorrect setting may cause a fault,
failure or malfunction.(For the details of the setting, refer to page 406.)
• When terminals 2 and 4 are selected for deviation input, perform bias calibration using C3 and C6 to prevent a minus voltage
from being entered as the deviation input signal. Input of a minus voltage might damage devices and the inverter.
• The following shows the relationship between the input values of the analog input terminals, and the set point and
measured value.
 Can be changed by Pr.73 and Pr.267 and the voltage/current input switch. (Refer to page 406.)
Pr.609, Pr.610 settings Input method
1 Terminal 1
2 Terminal 2
3 Terminal 4
4 CC-Link communication
5 PLC function
Input
terminal
Inspect
specification

Relationship with analog input
Calibration parameter
Set point Result
Terminal 2
0 to 5 V
0 V=0%
5 V=100%
0 V=0%
5 V=100%
Pr.125, C2 to C40 to 10 V
0 V=0%
10 V=100%
0 V=0%
10 V=100%
0 to 20 mA
0 mA=0%
20 mA=100%
0 mA=0%
20 mA=100%
Terminal 1
0 to 5 V
-5 V to 0 V=0%
5 V=+100%
-5 V to 0 V=0%
5 V=+100%
When Pr.128 = "10"
Pr.125, C2 to C4
When Pr.128  "1000"
C12 to C15
0 to 10V
-10 V to 0 V=0%
10 V=+100%
-10 V to 0 V=0%
10 V=+100%
Terminal 4
0 to 5 V
0 V to 1 V=0%
5 V=100%
0 V to 1 V=0%
5 V=100%
Pr.126, C5 to C70 to 10 V
0 V to 2 V=0%
10 V=100%
0 V to 2 V=0%
10 V=100%
0 to 20 mA
0 to 4 mA=0%
20 mA=100%
0 to 4 mA=0%
20 mA=100%