12-10-1
Chapter 12
Inverter Functions
12.10 Process Control Conforming to
the System
12.10.1
Use PID Control
• We want to perform process-control for flow rate,
air flow, pressure and others.
• We want to switch PID control and normal control.
• We want to set soft-start for prevention of water
hammer of the pump.
• We want to conserve energy by stopping the motor
when the flow rate, air flow, pressure and others
exceed a certain output.
• SJ-P1 is equipped with 4 independent PID
functions, and each PID can be set independently.
• Four PID functions can be used for motor control by
switching the [PIO1]/[PIO2] terminals.
• PID not used for motor control can be used for
operation of exterior PID not related to inverter
control freely.
This helps to save space and cost because there is
no need to install a separate PID controller.
• PID1 can be controlled based on 3 deviations.
• Connecting PID1 and PID2 can make 2-layer PID
control possible.
Q
A
MOTOR
PUMP
Exterior
equipment
Exterior
equipment
Exterior
equipment
Sensor
Sensor
Sensor
PID1
PID2
PID3
PID4
+
-
-
-
-
+
+
+
PID1 target
value
PID2 target
value
PID3 target
value
PID4 target
value
SJ-P1
Motor
Control
Pressure gauge
Содержание SJ Series
Страница 39: ...5 4 Chapter 5 Included Items Memo ...
Страница 52: ...6 13 Chapter 6 Installation Model P1 P1 200V class P1 02950 L P1 550L Dimension W mm H mm D mm 480 700 250 ...
Страница 55: ...6 16 Chapter 6 Installation Memo ...
Страница 91: ...7 36 Chapter 7 Wire Connection and Optional Devices Memo ...
Страница 135: ...9 40 Chapter 9 Operating Instructions Memo ...
Страница 145: ...10 10 Chapter 10 Test Run Memo ...
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Страница 581: ...15 10 Chapter 15 Optional Cassettes Memo ...
Страница 591: ...16 10 Chapter 16 ProDriveNext EzSQ Memo ...
Страница 642: ...18 49 Chapter 18 Tips FAQ Troubleshooting Memo ...
Страница 650: ...19 8 Chapter 19 Maintenance and Inspection Memo ...
Страница 661: ...20 11 Chapter 20 Specifications Model P1 P1 200V class 02950 L 550L Dimension W mm H mm D mm 700 480 250 ...
Страница 662: ...20 12 Chapter 20 Specifications Model P1 P1 400V class 01760 H 750H 02130 H 900H Dimension W mm H mm D mm 390 700 270 ...
Страница 663: ...20 13 Chapter 20 Specifications Model P1 P1 400V class 02520 H 1100H 03160 H 1320H Dimension W mm H mm D mm 480 740 270 ...
Страница 678: ...21 7 Chapter 21 Technical Notes SJ700D SJ P1 ND normal duty SJ700D 550LFF3 P1 02950 LFEF P1 550LFF ...
Страница 686: ...21 15 Chapter 21 Technical Notes SJ700B SJ P1 LD low duty VLD very low duty SJ700B 750LFF P1 02950 LFEF P1 550LFF ...
Страница 781: ...Appendix 1 70 Appendix 1 List of Parameters Memo ...