Inovance MD380-5T5.5GB - Group A: Process Control PID Unction

MD380 User Manual Desc
ription of Function Codes
- 207 -
)unction Code Parameter Name Setting Range Default
)9-69
Detection value of too large
speed deviation
0.0%–50.0% (maximum
frequency)
20.0%
)9-70
Detection time of too large speed
deviation
0.0–60.0s 5.0s
This function is valid only when the AC drive runs in the CLVC mode.
If the AC drive detects the deviation between the actual motor rotational speed detected by
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protection action.
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Group )A: Process Control PID )unction
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differential operations on the difference between the feedback signal and the target signal,
it adjusts the output frequency and constitutes a feedback system to stabilize the controlled
counter around the target value.
It is applied to process control such as flow control, pressure control and temperature
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1
Ti
1
S
+
+
Target
-
Td x S +1
1
P
)HHGEDFN
PID output
)unction Code Parameter Name Setting Range Default
)A
-00 PID setting source
0: )A
-01
1: A
I1
2: AI2
3: AI3
4: Pulse setting (DI5)
5: Communication setting
6: Multi-reference
0
)A
-01 PID digital setting 0.0%–100.0% 50.0%
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relative value and ranges from 0.0% to 100.0%. The PID feedback is also a relative value.
The purpose of PID control is to make the PID setting and PID feedback equal.
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