Mitsubishi Electric 800 Series Instruction Manual page 514

• Output signal
Signal Function
FUP PID upper limit
FDN PID lower limit
PID forward/reverse
RL
rotation output
During PID control
PID
activated
NOTE
• Changing the terminal assignment using Pr.178 to Pr.189 or Pr.190 to Pr.196 may affect other functions. Set parameters
after confirming the function of each terminal.
PID monitor function
• This function displays the PID control set point and measured value on the operation panel, and can output these from the
terminals FM and AM.
• Set the following values to Pr.52 Operation panel main monitor selection, Pr.774 to Pr.776 (Operation panel monitor
selection), Pr.54 FM terminal function selection and Pr.158 AM terminal function selection for each monitor.
Parameter Monitor
settings description
Dancer main
97
speed setting
NOTE
• Refer to page 497
Priority of main speed commands
• The priority of main speed command sources when the speed command source is External is as follows:
JOG signal > multi-speed setting signal (RL/RM/RH/REX) > pulse train input > 16bit digital input (option FR-A8AX) >
analog input (terminals 2, 4, 1)
• The priority of main speed command sources when "3" is set to Pr.79 Operation mode selection is as follows:
Multi-speed setting signal (RL/RM/RH/REX) > frequency setting (digital setting by PU or operation panel)
• Even if the remote operation function is selected by Pr.59 Remote function selection  "0", compensation of the remote
setting frequency against the main speed is ignored. (The value is "0".)
• If terminal 1 is selected for the first and second PID, terminal 1 added compensation of the main speed is invalid.
• If terminal 2 is selected for the first and second PID, the terminal 2 override function of the main speed is invalid.
• If the same terminal as an external input terminal having a speed command source (external terminal where a main speed
is input) is specified as the measured value input or set point input, the main speed is treated as "0".
• Polarity reversible operation of the main speed is not possible.
Pr.190 to Pr.196
setting
positive negative
logic logic
Output when the measured value signal exceeds Pr.131 PID upper limit
15 115
(Pr.1143 Second PID upper limit).
Output when the measured value signal exceeds Pr.132 PID lower limit
14 114
(Pr.1144 Second PID lower limit).
"HI" is output when the output display of the parameter unit is forward rotation
16 116 (FWD) and "LOW" is output when the display is reverse rotation (REV) and stop
(STOP).
47 147 Turns ON during PID control.
Monitor range
Minimum
Terminal Terminal
increment
FM
0.01 Hz 0 to 590 Hz
for details on other PID control monitors.
Description
Operation
AM panel
When outputting from terminals FM and AM,
the full scale value can be adjusted by Pr.55
Frequency monitoring reference.
(A) Application parameters
Remarks
PARAMETERS
5
GROUP
A
513