3-4
E48 data "LED monitor details
(Select speed monitor)"
Display of reference frequency Conversion of displayed value
0: Output frequency (before slip
compensation)
Frequency setting
1: Output frequency (after slip
compensation)
Frequency setting
2: Reference frequency Frequency setting
4: Load shaft speed Load shaft speed setting Frequency setting x E50
5: Line speed Line speed setting Frequency setting x E50
6: Constant feeding rate time Constant feeding rate time
E39 settingFrequency
E50
×
If you set function code C30 to "0: Keypad operation" and select frequency setting-2, then
/
keys become also enabled to set up the reference frequency.
Setting up the PID process command
To enable PID control, you need to set function code J01 to 1 or 2.
In the PID control mode, the items that can be set or checked with
/
keys are different from
those under normal frequency control, depending upon the current LED monitor setting. If the LED
monitor is set to the speed monitor (E43 = 0), you may access manual feed commands (Reference
frequency) with
/
keys; if it is set to any other, you may access PID process commands with
those keys.
Refer to Chapter 4, Section 4.8 "PID Frequency Command Generator" for details on the PID
control.
Setting the PID process command with the built-in potentiometer
Set function code E60 to "3: PID process command 1" and J02 to "1: PID process command 1." After
that, selecting PID control remote process command enables you to set the PID process command
using the built-in potentiometer.
Setting the PID process command with
/ keys
Set function code J02 to "0: Keypad operation" and set the LED monitor to the setting other than the
speed monitor (E43 = 0) in Running mode. This makes it possible to set the PID process command
using
/ keys. This setting is possible only in Running mode.
Pressing
/
keys displays the PID process command with the lowest digit blinking on the LED
monitor. Pressing
/ keys again makes it possible to change the PID process command. Once the
PID process command is modified, it will be saved internally. Even if the inverter is switched to any
other PID process command entry method and then returned to the keypad entry method, the setting
will be retained.
Further, even turning OFF the inverter will automatically save the setting into the non-volatile
memory. At the next time when the inverter is turned ON, the setting will become the default PID
process command.
Even if the PID process command is selected ((SS4) = ON) in the multistep frequency, it is still
possible to set the process command using the keypad.
When function code J02 has been set to any value except 0, pressing
/ keys displays the PID
process command currently selected (setting is not possible).
When the PID process command is displayed, the decimal point next to the lowest digit on the LED
display blinks to discriminate it from the frequency setting.
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