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SINAMICS V20 multi-pump control
Operating Manual, 05/2018, A5E43416874-002

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Table of contents

1

Overview................................................................................................................................................. 5

2

Pump switch-in/switch-out ....................................................................................................................... 9

3

Stop mode ............................................................................................................................................ 19

4

Pump switchover ................................................................................................................................... 21

5

Service mode ........................................................................................................................................ 25

6

Faults and alarms ................................................................................................................................. 27

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Summary of Contents for SINAMICS V20 Inverter

Page 1: ..._______ ___________________ ___________________ ___________________ SINAMICS SINAMICS V20 multi pump control Operating Manual 05 2018 A5E43416874 002 Overview 1 Pump switch in switch out 2 Stop mode 3 Pump switchover 4 Service mode 5 Faults and alarms 6 ...

Page 2: ...nly by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens pro...

Page 3: ...ICS V20 multi pump control Operating Manual 05 2018 A5E43416874 002 3 Table of contents 1 Overview 5 2 Pump switch in switch out 9 3 Stop mode 19 4 Pump switchover 21 5 Service mode 25 6 Faults and alarms 27 ...

Page 4: ...Table of contents SINAMICS V20 multi pump control 4 Operating Manual 05 2018 A5E43416874 002 ...

Page 5: ...les into the inverter For more information about the Parameter Loader and the SD card see Section Parameter Loader in SINAMICS V20 Inverter Operating Instructions Proceed through the following steps to download the script files into the inverter 1 Download the script files autorun lua utils lua and SSTAGE bin via the Internet address https support industry siemens com cs us en ps 13208 2 Place SST...

Page 6: ...fic parameters For more information about how to configure those parameters see Section Setting the PID controller in SINAMICS V20 Inverter Operating Instructions If you use the motor staging function on the inverter this function is automatically disabled after the multi pump control function is enabled Setting parameters Parameter Function Setting P4002 Control of script interpreter This paramet...

Page 7: ...3416874 002 7 Note You can only use digital input 1 as the ON OFF control source related to r4000 0 Note To enable the multi pump control function automatically after each inverter power on make sure that you do not change the default setting of P4002 and P4004 that is 1 ...

Page 8: ...Overview SINAMICS V20 multi pump control 8 Operating Manual 05 2018 A5E43416874 002 ...

Page 9: ...tch pumps in and out according to the PID error r2273 In addition two groups of contactors KDs and KMs are used to switch the pumps between inverter operation and line system operation Soft pump switching can be realized as all motors start stop with ramp speeds so as to minimize the shock to the pipes Main circuit Note The maximum voltage on DO1 is 35 V DC The maximum load current on DO1 is 100 m...

Page 10: ... ramp up speed and runs in inverter operation Note If the PID error rises above the switch in delay override threshold P2376 the inverter skips the switch in delay P2374 and performs the switch in operation immediately Parameter P4012 is used to control the selection mode of the next pump that is softly started by the inverter Bits 01 to 04 of r4000 control the pump which is selected to run depend...

Page 11: ...Pump switch in switch out SINAMICS V20 multi pump control Operating Manual 05 2018 A5E43416874 002 11 ...

Page 12: ...a running pump and switches it from line system operation to inverter operation Parameter P4012 is used to control the selection mode for switching in out motors P4012 0 Selecting the next pump according to the fixed sequence The inverter switches out the pump by following the sequence M4 M3 M2 to M1 P4012 1 Selecting the next pump according to the operating hours The inverter first switches out t...

Page 13: ...Pump switch in switch out SINAMICS V20 multi pump control Operating Manual 05 2018 A5E43416874 002 13 Pump switch out based on the fixed sequence P4012 0 ...

Page 14: ...Pump switch in switch out SINAMICS V20 multi pump control 14 Operating Manual 05 2018 A5E43416874 002 Pump switch out based on the absolute operating hours P4012 1 ...

Page 15: ...lt OFF2 Settings 4 to 6 search only in the direction of the setpoint 4 Flying start always active 5 Flying start active after power on fault OFF2 6 Flying start active after fault OFF2 Range 0 to 6 default setting 1 P2373 0 2 Motor staging hysteresis P2373 is a percentage of PID setpoint that PID error r2273 must be ex ceeded before staging delay starts Range 0 0 to 200 0 default setting 20 0 P237...

Page 16: ...wer on the inverter P4014 Multi pump control switch out offset Hz The offset value is the threshold for switching out a motor When actual frequency r0021 P1080 P4014 the inverter will start to check whether the switching out operation is necessary according to PID error r2273 Default setting 0 P4020 Multi pump control switching delay time ms After the multi pump function is enabled when switching ...

Page 17: ...tor 2 It will be cleared after re power on r4028 Multi pump control absolute operating hours motor 3 h Absolute operating hours timer for motor 3 It will be cleared after re power on r4029 Multi pump control absolute operating hours motor 4 h Absolute operating hours timer for motor 4 It will be cleared after re power on r4062 Inverter controlled motor num ber This parameter displays which motor i...

Page 18: ...Pump switch in switch out SINAMICS V20 multi pump control 18 Operating Manual 05 2018 A5E43416874 002 ...

Page 19: ...ps running in line system operation stop one by one in the reverse sequence in which they are switched on There is a delay time between every pump stop The pump in inverter operation stops under the control of the inverter after the other pumps are switched off After the OFF command is received the pumps are switched off in either of the two stop modes With OFF1 command received the pump stop mode...

Page 20: ...s stop mode for external motors when motor staging is in use 0 Normal stop 1 Sequence stop Range 0 to 1 default setting 0 r4000 Multi pump control status word This parameter defines the bitwise status word for the multi pump control function Bit 00 ON OFF1 output to P0840 Bit 01 Motor 1 switching on output to P0731 Bit 02 Motor 2 switching on output to P0732 Bit 03 Motor 3 switching on output to P...

Page 21: ...om inverter operation to line system operation and switches in an idle pump to keep constant output power You can use parameter P4012 to define the selection mode for the next pump The internal counters r4026 to r4029 and r4031 to r4034 are used to calculate the operating hours of the pumps P4012 0 Selecting the next pump according to the fixed sequence The inverter first switches out the pump wit...

Page 22: ...d This parameter defines the bitwise status word for the multi pump control function Bit 00 ON OFF1 output to P0840 Bit 01 Motor 1 switching on output to P0731 Bit 02 Motor 2 switching on output to P0732 Bit 03 Motor 3 switching on output to P0733 Bit 04 Motor 4 switching on output to P0734 Bit 05 Switching in out operation in progress Bit 06 No idle motor is running Bit 07 OFF2 output to P0845 P4...

Page 23: ...ng hours timer for motor 3 It will be cleared after re power on r4029 Multi pump control absolute operating hours motor 4 h Absolute operating hours timer for motor 4 It will be cleared after re power on r4031 Multi pump control continuous operating hours motor 1 h Continuous operating hours timer for motor 1 It will be cleared when the motor is switched out r4032 Multi pump control continuous ope...

Page 24: ...Pump switchover SINAMICS V20 multi pump control 24 Operating Manual 05 2018 A5E43416874 002 ...

Page 25: ...e mode can result in electric shock and unexpected movement of the pump causing serious personal injury or death Make sure that all pumps are connected to the mains and inverter through low voltage circuit breakers After a pump is set in service mode cut off its low voltage circuit breaker before performing any troubleshooting operation Setting parameters Parameter Function Setting r0722 0 12 Digi...

Page 26: ...peration in progress Bit 06 No idle motor is running Bit 07 OFF2 output to P0845 P4016 Multi pump control service mode motor 1 This parameter controls the service mode of motor 1 0 Motor 1 service mode is disabled 1 Motor 1 service mode is enabled by DI1 high level 2 Motor 1 service mode is enabled by DI2 high level 3 Motor 1 service mode is enabled by DI3 high level 4 Motor 1 service mode is enab...

Page 27: ... multi pump control Operating Manual 05 2018 A5E43416874 002 27 Faults and alarms 6 Alarm A650 Unofficial script run ning The script running is not approved and should not be used Use an officially released script ...

Page 28: ...Faults and alarms SINAMICS V20 multi pump control 28 Operating Manual 05 2018 A5E43416874 002 ...

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