Emotron VS Series Quick Start Guide
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feedback value change reaches 100.0%, and then the adjustment amplitude reaches the maximum
frequency.
F0.11
Proportional gain Kp2
Range:0.0
～
1000.0
Default:1.0
F0.12
Integration time Ti2
Range:0.01
～
10.00s
Default:0.10s
F0.13
Differential time Td2
Range:0.000
～
10.000s
Default:0.000s
In some applications, PID parameters switchover is required when one group of PID parameters
cannot satisfy the requirement of the whole running process. These parameters are used for
switchover between two groups of PID parameters. Regulator parameters F0.11 to F0.13 are set in the
same way as F0.08 to F0.10.
F0.14
PID parameter switch
Range:0
～
2
Default: 0
F0.15
PID parameter switchover
deviation 1
Range:0.0
～
100.0%
Default:20.0%
F0.16
PID parameter switchover
deviation 2
Range:0.0
～
100.0%
Default:80.0%
Process PID is provided with two groups of proportional, integral and differential parameters,
which is set by this parameter.
0: No switch, determined by parameters Kp1, Ti1 and Td1
Always determined by Kp1, Ti1 and Td1 set at F0.08 to F0.10.
1: Auto switched on the basis of input offset
When the offset between setting and feedback is less than the set value of F0.15, PID adjustment
is determined by Kp1, Ti1 and Td1. When the offset between setting and feedback is bigger than the
set value of F0.15, PID adjustment is determined by Kp2, Ti2 and Td2 set at F0.11 to F0.13.
2: Switched by terminal
When digital input terminal "PID parameters switch" is OFF, it is determined by Kp1, Ti1 and Td1.
When "PID parameters switch" is ON, it is determined by Kp2, Ti2 and Td2
F0.17
PID offset limit
Range:0.0
～
100.0%
Default:0.0%
If the offset between PID feedback and setting is more than this set value, PID regulator will
implement regulation. If the offset between PID feedback and setting is less than this set value, PID
will stop the regulation and the PID controller output will be kept unchanged. This function can improve
the stability of PID performance.
F0.18
PID integral property
Range:00
～
11
Default:00
Unit's place: Whether to stop integral operation when the output reaches the limit
0: Continue integral operation
1: Stop integral operation
If "Stop integral operation" is selected, the PID integral operation stops, which may help to reduce
the PID, overshoot.
Ten's place: Integral separated
0: Invalid
1: Valid
If it is set to valid, the PID integral operation stops when the DI allocated with function 25 "PID
integral pause" is ON In this case, only proportional and differential operations take effect.
If it is set to invalid, integral separated remains invalid no matter whether the DI allocated with
function 25 "PID integral pause" is ON or not.
F0.19
PID differential limit
Range:0.0
～
100.0%
Default:0.5%
Set differential output limit of PID control.
F0.20
PID initial value
Range:0.0
～
100.0%
Default:0.0%
F0.21
Holding time of PID initial
value
Range:0.0
～
6000.0s
Default:0.0s
PID does not make adjustment when the drive starts its running, but outputs the value set by
F0.20 and maintains the holding time set by F0.21, then starts PID adjustment. When F0.21 is set to
0.0, PID initial value is disabled. This function makes PID adjustment get into stable status fast.
F0.22
PID output frequency
upper limit
Range: PID output frequency
lower limit
～
100.0%
Default:100.0%
F0.23
PID output frequency
lower limit
Range:–100.0%
～
PID output
frequency upper limit
Default:-100.0%
This function is used to limit PID output frequency.100.0% corresponds to maximum frequency.
