LS SV-iG5H Series, Manual, Page: 120 / 226

Advanced functions
106
8.7 PID control
Group Code Parameter Name Setting Range Default Unit
Function
group 2
H49 [PID Operation select] 1 0 - 1 0 -
H50 [PID Feedback select] - 0 - 1 0 -
H51 [P gain for PID controller] - 0 - 999.9 300.0 %
H52
[Integral time for PID controller
(I gain)]
- 0.1- 32.0 1.0 sec
H53
[Differential time for PID
controller (D gain)]
- 0.0-30.0 0 sec
H54 [PID mode select] - 0 - 1 0 -
H55 [PID output frequency high limit] - 0.1 - 400 50.0 Hz
H56 [PID output frequency low limit] - 0.1 - 400 0.50 Hz
H57 [PID reference select] - 0-4 0 Hz
H58 [PID unit select] - 0-1 1 -
H59 [PID Out Inverse] - 0-1 0 -
Application
Group
A1 [Sleep delay time] - 0.0-2000.0 20.0 -
A2 [Sleep frequency] - 0.00-400 0.00 Hz
A6 [Wake-up level] - 0.0-100.0 35.0 %
I/O group
I17-
I20 [Multi-function input terminal P1-
P4 define]
21 0 - 30 - -
Drive
group
rEF [PID reference] -
0-400
/0-100 0.00
/0.0 Hz
/%
Fbk [PID feedback] -
0-400
/0-100 0.00
/0.0 Hz
/%
In order to control the amount of following water, pressure and temperature, do PID

control to inverter output frequency.
Select H49 of function group 2 as a 1 (PID drive select). Then REF and FBK category

show. Set PID reference value in REF and real PID feedback amount is monitored at
the FBK
PID drive is classified as two which are Normal PID mode and Process PID mode. It

can be set in the H54 (PID mode select)
►
H50: Select the feedback type of PID controller.
H50 [PID Feedback select]
0 Terminal I input (0 - 20[mA] )
1 Terminal V1 input (0 - 10[V])
►
H51: Set the percentage of output to error. If P Gain is set to 50%, 50% of the error
value will be output. Higher value can reach the target control value faster but it may
cause oscillation.
►
H52: Set the time to output the accumulated error value. Set the time required to output
100% when the error value is 100%. If H52 - [Integral time for PID controller (I gain)] is
set to 1 sec and the error becomes 100%, 100% will be output in 1 sec. Adjusting the