Mitsubishi Electric 800 Series, Инструкция по эксплуатации, Страница: 501 / 727

(A) Application parameters
500
PARAMETERS
• The second PID function parameters and signals function in the same way as the following parameters and signals of the
first PID function. Refer to the first PID function when setting the second PID functions.
NOTE
• Even if the X14 signal is ON, PID control is stopped and multi-speed or JOG operation is performed when the RH, RM, RL, or
REX signal (multi-speed operation) or JOG signal (JOG operation) is input.
• PID control is invalid under the following settings.
Pr.79 Operation mode selection = "6" (Switchover mode)
• Note that input to the terminal 1 is added to the terminals 2 and 4 inputs. For example when Pr.128 = "20 or 21", the terminal
1 input is considered as a set point and added to the set point of the terminal 2.
• To use terminal 4 and 1 inputs in PID control, set "0" (initial value) to Pr.858 Terminal 4 function assignment and Pr.868
Terminal 1 function assignment . When a value other than "0", PID control is invalid.
• 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.
• When PID control is selected, the minimum frequency becomes the frequency of Pr.902 and the maximum frequency
becomes the frequency of Pr.903 .
(The Pr.1 Maximum frequency and Pr.2 Minimum frequency settings also are valid.)
• During PID operation, the remote operation function is invalid.
• When control is switched to PID control during normal operation, the frequency during that operation is not carried over, and
the value resulting from PID calculation referenced to 0 Hz becomes the command frequency.
Classification
First PID function parameters Second PID function parameters
Pr. Name Pr. Name
Parameter
127
PID control automatic switchover
frequency
754
Second PID control automatic switchover
frequency
128 PID action selection 753 Second PID action selection
129 PID proportional band 756 Second PID proportional band
130 PID integral time 757 Second PID integral time
131 PID upper limit 1143 Second PID upper limit
132 PID lower limit 1144 Second PID lower limit
133 PID action set point 755 Second PID action set point
134 PID differential time 758 Second PID differential time
553 PID deviation limit 1145 Second PID deviation limit
554 PID signal operation selection 1146 Second PID signal operation selection
575 Output interruption detection time 1147 Second output interruption detection time
576 Output interruption detection level 1148 Second output interruption detection level
577 Output interruption cancel level 1149 Second output interruption cancel level
609 PID set point/deviation input selection 1140
Second PID set point/deviation input
selection
610 PID measured value input selection 1141 Second PID measured value input selection
Classification
First PID function parameters Second PID function parameters
signal Name signal Name
Input signal
X14 PID control valid terminal X80 Second PID control valid terminal
X64 PID forward/reverse action switchover X79
Second PID forward/reverse action
switchover
X72 PID P control switchover X73 Second PID P control switchover
Output signal
FUP PID upper limit FUP2 Second PID upper limit
FDN PID lower limit FDN2 Second PID lower limit
RL PID forward/reverse rotation output RL2 Second PID forward/reverse rotation output
PID During PID control activated PID2 Second During PID control activated
SLEEP PID output interruption SLEEP2 During second PID output shutoff
Y48 PID deviation limit Y205 Second PID deviation limit
PID action
Frequency
command
PID set point
Frequency command
during normal operation
ON
Operation when control is switched to PID control during normal operation
Normal operation PID operation Normal operation