144
PARAMETERS
(4) I/O signals
z To start PID control, switch on the X14 signal. When this signal is off, ordinary inverter operation is
performed without the PID action being performed.
z Enter the set point across inverter terminals 2-5 or into Pr. 133 and enter the process value signal across
inverter terminals 4-5. At this time, set "20" or "21" in Pr. 128.
z When entering the externally calculated deviation signal, enter it across terminals 1-5. At this time, set "10"
or "11" in Pr. 128.
Note: 1. The power supply must be selected in accordance with the power specifications of the detector used.
2. The output signal terminals used depends on the Pr. 191 to Pr. 194 settings.
3. The input signal terminals used depends on the Pr. 180 to Pr. 186 settings.
Signal Terminal Used Function Description Remarks
Input
X14
Depending on
Pr. 180 to Pr. 186
PID control
selection
Switch on X14 to select PID control.
Set any of "10, 11, 20
and 21" in Pr. 128.
2 2 Set point input Enter the set point for PID control. Pr. 128 = 20, 21
11
Deviation signal
input
Enter the deviation signal calculated externally. Pr. 128 = 10, 11
44
Process value
input
Enter the 4-20mADC process value signal from
the detector.
Pr. 128 = 20, 21
Output
FUP
Depending on
Pr. 190 to Pr. 195
Upper limit output
Output to indicate that the process value signal
exceeded the upper limit value.
(Pr. 128 = 20, 21)
Open collector output
FDN Lower limit output
Output to indicate that the process value signal
exceeded the lower limit value.
RL
Forward (reverse)
rotation direction
output
"Hi" is output to indicate that the output indication
of the parameter unit is forward rotation (FWD) or
"Low" to indicate that it is reverse rotation (REV)
or stop (STOP).
(Pr. 128 = 10, 11,
20, 21)
SE SE
Output terminal
common
Common to terminals FUP, FDN and RL
Item Entry Description
Set point Across terminals 2-5
Set 0V as 0% and 5V as 100%.
When "1, 3, 5, 11, 13 or 15" is set in Pr. 73
(5V selected for terminal 2).
Set 0V as 0% and 10V as 100%.
When "0, 2, 4, 10, 12 or 14" is set in Pr. 73
(10V selected for terminal 2).
Set point Pr. 133 Set the set point (%) in Pr. 133.
Deviation
signal
Across terminals 1-5
Set -5V as -100%, 0V as 0% and +5V as
+100%.
When "2, 3, 5, 12, 13 or 15" is set in Pr. 73
(5V selected for terminal 1).
Set -10V as -100%, 0V as 0% and +10V as
+100%.
When "0, 1, 4, 10, 11 or 14" is set in Pr. 73
(10V selected for terminal 1).
Process
value
Across terminals 4-5 4mADC is equivalent to 0% and 20mADC to 100%.
