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4.2.9 Minimum Speed De-staging

20

4.2.10 Fixed Speed only Operation 

20

4.2.11 Flow Compensation for Applications with Cascade Controller

21

5 Parameter Descriptions

22

5.1 Cascade Controller Parameters

22

5.1.1  Cascade CTL Option, 27-**

24

5.1.3  Control & Status, 27-0*

25

5.1.4  Configuration, 27-1*

26

5.1.5  Bandwidth Settings, 27-2*

26

5.1.6  Staging Speed, 27-3*

28

5.1.7  Staging Settings, 27-4*

29

5.1.8  Alternation Settings, 27-5*

30

5.1.9 Digital Inputs, 27-6*

31

5.1.10  Connections, 27-7*

35

5.1.11  Readouts, 27-9*

36

5.2 Parameter Lists

37

5.2.1 25-** Cascade Controller

37

5.2.2 27-** Cascade CTL Option

38

6 Configuration Examples

41

6.1 Master/Follower

41

6.1.1 Basic Settings

41

6.1.2 Master Drive Settings

41

6.1.3 Follower Drive Settings

42

Index

43

Contents

VLT

®

 AQUA Drive MCO 101/MCO 102

2

MI38C402 - VLT

®

 is a registered Danfoss trademark

Содержание vlt aqua

Страница 1: ...MAKING MODERN LIVING POSSIBLE V VLTp AQUA Drive Cascade Controller Options MCO 101 102 Operating Instructions...

Страница 2: ...arge before performing any service or repair work The amount of wait time is listed in the Discharge Time table Failure to wait the specified time after power has been removed before doing service or...

Страница 3: ...Safety VLT AQUA Drive MCO 101 MCO 102 MI38C402 VLT is a registered Danfoss trademark...

Страница 4: ...1 Before Start 12 3 1 2 Extended Cascade Controller MCO 101 12 3 1 3 Advanced Cascade Controller MCO 102 14 4 Configuring the System 16 4 1 Configuring the Extended and Advanced Cascade Controller 16...

Страница 5: ...ttings 27 2 26 5 1 6 Staging Speed 27 3 28 5 1 7 Staging Settings 27 4 29 5 1 8 Alternation Settings 27 5 30 5 1 9 Digital Inputs 27 6 31 5 1 10 Connections 27 7 35 5 1 11 Readouts 27 9 36 5 2 Paramet...

Страница 6: ...For further information see 2 Application Types The Extended Cascade Controller can be used in two different modes with the extended features controlled by parameter group 27 to extend the number of a...

Страница 7: ...Instructions provide details on installation and operation of the frequency converter The VLT AutomationDrive FC 302 Programming Guide provides greater detail on working with parameters and many appl...

Страница 8: ...connected pumps and frequency converters to the master The necessary hardware is explained in the following hardware configuration examples 2 2 1 Extension of Basic Cascade Parameter Group 25 Control...

Страница 9: ...able speed pump In this configuration the VLT AQUA Drive controls one variable speed pump and up to 8 fixed speed pumps The fixed speed pumps are staged and de staged as needed through contactors dire...

Страница 10: ...ges the pumps on and off according to system requirements Compared to traditional cascade control the number of running pumps is controlled by speed instead of feedback To obtain the highest energy sa...

Страница 11: ...f the benefits of the master follower configuration with some of the initial cost savings of the fixed speed configuration It is a good choice when the extra capacity of the fixed pumps is rarely need...

Страница 12: ...0 100 100 100 200 200 C 1 100 200 300 400 2 3 4 130BD073 10 Illustration 2 7 Valid Configuration Example NOTICE Invalid configurations like in Illustration 2 8 will still run but will not stage on all...

Страница 13: ...70 0 RELAY 1 8 Pump 1 to Drive 1 27 70 1 RELAY 2 16 Pump 2 to Drive 1 27 70 9 RELAY 10 74 Pump 3 to Mains 27 70 10 RELAY 11 75 Pump 4 to Mains 27 70 11 RELAY 12 76 Pump 5 to Mains 2 2 4 Using Soft Sta...

Страница 14: ...last drive running after de staging This is achieved by giving the connected pump the highest priority in the parameters for runtime balancing e g by programming the drive with the MCO 101 or the MCO...

Страница 15: ...590 Hz the difference from standard software is that it cannot be flashed i e neither downgraded nor upgraded 3 1 2 Extended Cascade Controller MCO 101 The MCO 101 option includes 3 pieces of change o...

Страница 16: ...ow voltage parts and PELV systems see Illustration 3 4 1 1 1 1 10 2 3 4 5 6 7 8 9 12 11 2 2 3 1 1 1 1 10 2 3 4 5 6 7 8 9 12 11 3 3 3 1 1 1 1 10 2 3 4 5 6 7 8 9 12 11 2 2 2 130BA176 11 Illustration 3 4...

Страница 17: ...g kit depending on the enclosure Type Description Ordering number Options MCF 105 Mounting Kit frame size A2 and A3 40 mm for one C Option 130B7530 MCF 105 Mounting Kit Frame size A5 130B7532 MCF 105...

Страница 18: ...d relief the cables by the enclosed cable strips 6 Fit the extended cradle and terminal cover 7 Remount the LCP 8 Connect power to the frequency converter Wiring the Terminals 130BB025 11 Illustration...

Страница 19: ...should equally balance the running hours between the pumps then use the default values 27 17 Motor Starters All fixed speed pumps must be the same 27 18 Spin time for unused pumps Depends on the size...

Страница 20: ...ed the system pressure is still maintained but the pumps are beginning to operate below their peak efficiency points De staging a pump will cause the speed of the frequency converters to increase into...

Страница 21: ...arameter group 27 0 Control Status to check on the status of the Cascade Controller and to control individual pumps Select a specific pump to view the current status the current running hours and the...

Страница 22: ...Pumps If a pump is only needed occasionally the Cascade Controller balances the running hours of the pumps through alternation If a pump is not used in 72 hours a pump spin is triggered The spin time...

Страница 23: ...in 27 24 Destaging Delay If the system demand continues to drop the system will enter sleep mode 4 2 8 Override Staging De staging Normal staging and de staging handles most of the situations in typi...

Страница 24: ...tion of the theoretical curve results in step wise adjusted set points following this curve Set point 1 is the minimum pressure required when the system is running with only one pump operating and und...

Страница 25: ...on Select the reference input to be used for the first reference signal 3 15 Reference 1 Source Option Function 3 15 Reference 1 Source 3 16 Reference 2 Source and 3 17 Reference 3 Source define up to...

Страница 26: ...Digital Output Option Function 0 No operation 1 Control ready 2 Drive ready 3 Drive rdy rem ctrl 4 Stand by no warning 5 Running 6 Running no warning 8 Run on ref no warn 9 Alarm 5 30 Terminal 27 Digi...

Страница 27: ...gital Input applicable value 5 52 Term 29 Low Ref Feedb Value Range Function This parameter is available for FC 302 only 5 53 Term 29 High Ref Feedb Value Range Function 100 999999 999 999999 999 Ente...

Страница 28: ...tatus is a readout parameter showing the status of each pump in the system Option Function 6 Offline Fault The pump is not available for use by the Cascade Controller and the pump is connected to main...

Страница 29: ...speed pumps All fixed speed pumps must be configured the same Possible choices are 0 Direct Online 1 Soft Starter Adds a delay when staging and de staging corresponding to the soft starter ramp time s...

Страница 30: ...cations the override limit is used as wake up condition See 6 1 Master Follower for further information Setpoint SBW 27 70 OBW 27 71 SBW 27 70 OBW 27 71 Actual head OBW timer 27 25 130BA370 11 Illustr...

Страница 31: ...he lead pump must be running at minimum speed while the system feedback is still inside the normal operating band before a pump will be turned off to save energy Energy savings may be 27 27 Min Speed...

Страница 32: ...Delay and more than one variable speed pump is on a variable speed pump will be turned off 5 1 7 Staging Settings 27 4 Parameters for configuring staging transitions 27 40 Auto Tune Staging Settings...

Страница 33: ...tically calculated values If 27 43 Staging Threshold and 27 44 Destaging 27 44 Destaging Threshold Range Function Threshold are modified from the bus or LCP then the new values will be used but will c...

Страница 34: ...e when the pump is running below a speed where interruption in operation will not affect the process This minimizes the system disturbance caused by alternations The value is entered as a of the capac...

Страница 35: ...85 Latched Pump Derag 120 Lead Pump Start 27 61 Terminal X66 3 Digital Input Option Function 121 Lead Pump Alternation 130 Pump 1 Interlock 131 Pump 2 Interlock 132 Pump 3 Interlock 133 Pump 4 Interl...

Страница 36: ...21 Lead Pump Alternation 130 Pump 1 Interlock 27 63 Terminal X66 7 Digital Input Option Function 131 Pump 2 Interlock 132 Pump 3 Interlock 133 Pump 4 Interlock 134 Pump 5 Interlock 135 Pump 6 Interloc...

Страница 37: ...ock 131 Pump 2 Interlock 132 Pump 3 Interlock 27 65 Terminal X66 11 Digital Input Option Function 133 Pump 4 Interlock 134 Pump 5 Interlock 135 Pump 6 Interlock 136 Pump 7 Interlock 137 Pump 8 Interlo...

Страница 38: ...Pump 3 to Drive 2 27 70 Relay 27 70 Relay is an array parameter used to setup the function of the option relays Depending on which option is installed only the available relays will be visible If Exte...

Страница 39: ...ence is a readout parameter that shows the reference output for use with follower drives This reference is available even when the master drive is stopped This is the speed that the frequency converte...

Страница 40: ...t ups TRUE 0 Uint1 6 25 26 Destage At No Flow 0 Disabled All set ups TRUE Uint8 Par No Parameter description Default value 4 set up Chan ge duri ng oper ation Con ver sion ind ex Type 25 27 Stage Func...

Страница 41: ...Alternation 0 N A All set ups TRUE 0 Uint8 Table 5 1 5 2 2 27 Cascade CTL Option Par No Parameter description Default value 4 set up Chan ge duri ng oper atio n Con ver sion ind ex Type 27 0 Control S...

Страница 42: ...mp Up Delay 2 0 s All set ups TRUE 1 Uint1 6 Par No Parameter description Default value 4 set up Chan ge duri ng oper atio n Con ver sion ind ex Type 27 43 Staging Threshold Expres sionLimit All set u...

Страница 43: ...erminal X66 13 Digital Input 0 No operation All set ups TRUE Uint8 27 7 Connections Par No Parameter description Default value 4 set up Chan ge duri ng oper atio n Con ver sion ind ex Type 27 70 Relay...

Страница 44: ...e 1 1 Small 1601 Reference 0 21 Display Line 1 2 Small 1652 Feedback 0 22 Display Line 1 3 Small 1614 Motor current 0 23 Display Line 2 Large 1613 Frequency 0 24 Display Line 3 Large 2794 Cascade Syst...

Страница 45: ...are 1 Set parameter 27 34 01 higher than the minimum speed in 4 11 Motor Speed Low Limit RPM 4 12 Motor Speed Low Limit Hz to enable sleep function setting it to zero will disable the function 2 Set 2...

Страница 46: ...ime Hours 19 M Manual Pump Control 18 Master Drive 4 Master Follower Configuration 7 Min Speed De stage Delay 27 27 28 Mixed Pump Configuration 9 8 Pump Selection 16 Multiple Drives 19 N Number Of Fre...

Страница 47: ...Supported Configurations 5 Symbols iii U Unequal Size Pump Configuration 8 V Variable Speed Pumps 4 Index VLT AQUA Drive MCO 101 MCO 102 44 MI38C402 VLT is a registered Danfoss trademark...

Страница 48: ...Index VLT AQUA Drive MCO 101 MCO 102 MI38C402 VLT is a registered Danfoss trademark 45...

Страница 49: ...www danfoss com drives MI38C402 130R0345 MI38C402 Rev 2012 08 21...

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