Danfoss VLT CDS 303 Operating Instructions Manual Download

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MAKING MODERN LIVING POSSIBLE

Operating Instructions

VLT

Compressor Drives CDS 302/CDS 303

www.DanfossDrives.com

Summary of Contents for VLT CDS 303

Page 1: ...MAKING MODERN LIVING POSSIBLE Operating Instructions VLT Compressor Drives CDS 302 CDS 303 www DanfossDrives com...

Page 2: ......

Page 3: ...3 1 Environment 14 3 1 1 Ambient Temperature and Altitude 14 3 1 2 Environmental Requirements for Mechanical Installation 14 3 2 Mechanical Installation 14 3 2 1 Accessory Bags 14 3 2 2 Mechanical Mou...

Page 4: ...c Programming Procedures 37 4 1 2 Open Loop with External Reference 37 4 1 3 PID Closed Loop with 4 20 mA Pressure Transmitter 37 4 1 4 Other Compressor Features 39 5 How to Program 40 5 1 How to Prog...

Page 5: ...ns and Options 81 6 10 Par Group 13 Smart Logic Control 85 6 11 Par Group 14 Special Functions 102 6 12 Par Group 15 Drive Information 105 6 13 Parameters 16 Data Readouts 106 6 14 Par Group 25 Cascad...

Page 6: ...ion knowledge of refrigeration air conditioning and motion controls ensures an optimized product design and package solution A plug play solution Operational efficiency Flexibility best control accura...

Page 7: ...the compressor is stops Crankcase Heater On VSH088 and VSH117 when the compressor is stopped the frequency converter provides a DC current to the compressor motor The DC current keeps the oil warm and...

Page 8: ...ding to local and national legislation Compressors Do not to throw away a used compressor but dispose of it and its oil at a specialized recycling company site NOTICE Imposed limitations on the output...

Page 9: ...mains the motor can be started stopped using digital commands bus commands references via the Local Control Panel LCP Disconnect the frequency converter from mains whenever personal safety considerati...

Page 10: ...uld cause a loss of the safety function MTTFd EN ISO 13849 1 Mean Time To Failure dangerous Unit years PFH IEC 61508 Probability of Dangerous Failures per Hour Consider the PFH value when the safety d...

Page 11: ...OFF FUNCTION The Safe Torque Off function does NOT isolate mains voltage to the frequency converter or auxiliary circuits Perform work on electrical parts of the frequency converter or the motor only...

Page 12: ...the short circuit as described in EN ISO 13849 2 D4 by the use of protected wiring shielded or segregated Example with SS1 SS1 corresponds to a controlled stop stop category 1 according to IEC 60204 1...

Page 13: ...O Example 1 Frequency converter 2 Reset key 3 Safety relay 4 Emergency stop Table 2 3 Legend to Figure 2 4 130BC973 10 18 37 4 1 2 12 3 Figure 2 5 SS1 Example 1 Frequency converter 2 Reset key 3 Safet...

Page 14: ...e Safe Torque Off has been activated or that normal operation has not been resumed yet after Safe Torque Off activation NOTICE The requirements of Cat 3 EN 954 1 PL d ISO 13849 1 are only fulfilled wh...

Page 15: ...test step is passed if the motor remains in the coasted state and the mechanical brake if connected remains activated 1 4 Send Reset signal via Bus Digital I O or Reset key The test step is passed wh...

Page 16: ...cooled To protect the unit from overheating ensure that the ambient temperature does not exceed the maximum temperature stated for the 24 hour average temperature If the ambient temperature is in the...

Page 17: ...face on which the compressor drive should be mounted 3 Retighten all four screws The frequency converter IP20 allows side by side instal lation Because of the need for cooling there must be a minimum...

Page 18: ...9 53 242 6 50 165 9 06 230 12 13 308 12 13 308 Distance between mounting holes b 8 28 210 8 28 210 5 51 140 7 87 200 10 71 272 10 63 270 Depth inch mm Without option C 10 24 260 10 24 260 9 80 249 9 5...

Page 19: ...nd 2 3 B4 11 15 18 5 30 18 5 22 Mains motor cables 4 5 Relay 0 5 0 6 Ground 2 3 C3 18 5 22 Mains motor cables 10 Relay 0 5 0 6 Ground 2 3 Table 3 6 Tightening Torque 3 3 2 Removal of Knockouts for Ext...

Page 20: ...onnect to Mains and Grounding for B1 and B2 Figure 3 8 How to Connect to Mains and Grounding for B3 without RFI 130BA720 10 Figure 3 9 How to Connect to Mains and Grounding for B3 with RFI 3 3 4 Mains...

Page 21: ...nd Grounding for B4 130BA389 10 95 91 L1 92 L2 93 L3 Figure 3 11 How to Connect to Mains and Grounding for C1 and C2 91 92 93 91 92 93 96 97 98 88 89 81 82 99 95 130BA718 10 Figure 3 12 How to Connect...

Page 22: ...nect U V W for motor compressor clockwise 130BT333 10 Figure 3 14 How to Connect to Motor Terminals B1 B2 L1 L2 L3 91 92 93 130BT336 10 Figure 3 15 How to Connect to Mains and Ground without Mains Dis...

Page 23: ...ection a gas tight joint otherwise the aluminium surface oxidizes again 3 3 8 Compressor Motor Protection The frequency converter fully provides electrical compressor motor protection The frequency co...

Page 24: ...driver The cable is now mounted to the terminal 130BT312 10 Figure 3 19 Mounting the Cable To remove the cable from the terminal 1 Insert a screwdriver in the square hole 2 Pull out the cable 130BT311...

Page 25: ...s 18 27 and 37 to 24 V terminal 12 13 Default settings 18 start 27 coast inverse Figure 3 23 Example of Basic Wiring How to Install Operating Instructions MG34M422 Danfoss A S Rev 2013 07 03 All right...

Page 26: ...creen and chassis Connect the digital and analog inputs and outputs separately to the frequency converter common inputs terminal 20 55 39 to avoid ground currents affecting the system Figure 3 24 Elec...

Page 27: ...c noise may occur that disturbs the entire system Solve this problem by fitting an equalizing cable next to the control cable Minimum cable cross section 16 mm2 d For 50 60 Hz ground loops If long con...

Page 28: ...armor conduit to ground at both ends for motor compressor cables as well as for control cables In some cases it is not possible to connect the screen in both ends If so connect the screen at the frequ...

Page 30: ...ated separately 3 3 14 Basic Examples of Control Connections Controls using an external controller with 0 10 V signal It is not necessary to change any parameters as this is the default value Figure 3...

Page 31: ...t electrical and fire hazard all branch circuits in an installation switch gear machines etc must be protected against short circuit and over current according to national international regulations NO...

Page 32: ...G 160 15 18 5 aR 160 22 NZMB2 A200 160 C2 30 37 aR 160 30 aR 200 37 aR 200 30 aR 250 37 NZMB2 A250 250 C3 18 5 22 gG 80 18 5 aR 125 22 gG 150 18 5 aR 160 22 NZMB2 A200 150 C4 30 37 aR 160 30 aR 200 37...

Page 33: ...table for use on a circuit capable of delivering 100 000 Arms symmetrical 240 V 480 V 500 V or 600 V depending on the unit s voltage rating With the proper fusing the frequency converter s Short Circu...

Page 34: ...JKS 50 JJS 50 18 KTS R 60 JKS 60 JJS 60 22 KTS R 80 JKS 80 JJS 80 30 KTS R 100 JKS 100 JJS 100 37 KTS R 125 JKS 125 JJS 125 45 KTS R 150 JKS 150 JJS 150 55 KTS R 200 JKS 200 JJS 200 75 KTS R 250 JKS...

Page 35: ...125 JKS 125 JJS 125 55 KTS R 150 JKS 150 JJS 150 75 KTS R 175 JKS 175 JJS 175 Table 3 16 525 600 V Frame Sizes B and C Recommended max fuse Power kW SIBA Littel fuse Ferraz Shawmut Ferraz Shawmut Type...

Page 36: ...ple 3 5 1 BASIC Cascade Pack Controller 130BC400 10 Figure 3 30 Example of BASIC Cascade Pack Controller How to Install VLT Compressor Drives CDS 302 CDS 303 34 Danfoss A S Rev 2013 07 03 All rights r...

Page 37: ...the frequency converter issues a trip alarm staging and destaging fixed speed compressors maintain the system head pressure To prevent frequent staging and destaging and minimise load fluctuations a...

Page 38: ...0BX505 11 Power card Relay from MCB 105 Figure 3 32 Example with Built in BASIC Cascade Controller How to Install VLT Compressor Drives CDS 302 CDS 303 36 Danfoss A S Rev 2013 07 03 All rights reserve...

Page 39: ...t Mode and parameter 14 21 Automatic Restart Time 4 1 2 Open Loop with External Reference 1 Apply analog speed reference signal 0 10 V on terminal 53 using the terminal 55 as common See chapter 3 3 14...

Page 40: ...Reference Site Select 2 Local to run with a fixed setpoint adjustable via LCP Select 1 Remote if the setpoint is given by the analog input as defined in parameter 3 15 Reference Resource 1 4 Press Qu...

Page 41: ...eatures To set up other dedicated compressor features press Quick Menu and go to Q4 or follow Figure 4 5 Figure 4 5 Flowchart Quick Set up Operating Instructions MG34M422 Danfoss A S Rev 2013 07 03 Al...

Page 42: ...nd indicator lights LEDs Auto on Reset Hand on Off Status Quick Menu Main Menu Alarm Log B a c k C a n c e l Info OK Status 1 0 1234rpm 10 4A 43 5Hz Run OK 43 5Hz On Alarm Warn 130BA018 13 1 2 3 4 b a...

Page 43: ...by pushing Status twice Press Status to select the display mode or to change back to Display mode from either Quick Menu mode Main Menu mode or Alarm mode Also press Status to toggle single or double...

Page 44: ...p It can be selected as 1 Enable or 0 Disable via parameter 0 43 Reset Key on LCP The parameter shortcut can be carried out by holding down the Main Menu key for 3 seconds The parameter shortcut allow...

Page 45: ...e time while power up for LCP 102 Graphical Display 3 Release the keys after 5 s 4 The frequency converter is now programmed according to default settings This procedure initializes all except paramet...

Page 46: ...trols 8 Comm and Options 13 Smart Logic 14 Special Functions 15 Drive Information 16 Data Readouts 25 Cascade Controller 28 Compressor Functions After selecting a parameter group select a parameter wi...

Page 47: ...pressing the navigation keys increases the value and decreases the value Place the cursor on the value and press OK to save 5 2 11 Changing a Group of Numeric Data Values If the chosen parameter repr...

Page 48: ...meter 14 00 Switching Pattern parameter 1 29 Automatic Motor Adaptation AMA parameter 1 74 Start Speed RPM parameter 14 01 Switching Frequency parameter 1 30 Stator Resistance Rs parameter 1 76 Start...

Page 49: ...1 1 Set up 1 to 4 Set up 4 are the four separate parameter set ups within which all parameters can be programmed 2 Set up 2 3 Set up 3 4 Set up 4 9 Multi Set up Remote selection of set ups using digit...

Page 50: ...onization can be performed in two ways 1 Change the edit set up to 2 Set up 2 in parameter 0 11 Edit Set up and set 0 12 This Set up Linked to Option Function parameter 0 12 This Set up Linked to to 1...

Page 51: ...tion 0 None 953 Profibus Warning Word 1005 Readout Transmit Error Counter 1006 Readout Receive Error Counter 1007 Readout Bus Off Counter 1013 Warning Parameter 0 20 Display Line 1 1 Small Option Func...

Page 52: ...s in parameter 0 20 Display Line 1 1 Small 1610 Power kW 0 23 Display Line 2 Large Option Function Options are the same as in parameter 0 20 Display Line 1 1 Small 1613 Frequency Hz 0 24 Display Line...

Page 53: ...and on Key on LCP Option Function 0 Disabled Prevents accidental start of the frequency converter in Hand mode 1 Enabled Prevents unauthorised start in Hand mode 2 Password 0 41 Off Key on LCP Option...

Page 54: ...enu key If parameter 0 66 Access to Quick Menu w o Password is set to 0 Full access this parameter will be ignored 0 66 Access to Quick Menu w o Password Option Function NOTICE If parameter 0 61 Acces...

Page 55: ...nge 3 Process Enables the use of process control in the frequency converter The process control parameters are set in parameter groups 7 2 Process PID Feedback and 7 3 Process PID Control 1 13 Compres...

Page 56: ...as a percentage of the full reference range i e on the basis of the difference between RefMAX and RefMIN Afterwards the value is added to RefMIN When using preset references select 16 Preset ref bit 0...

Page 57: ...d for the third reference signal parameter 3 15 Reference Resource 1 parameter 3 16 Reference Resource 2 and parameter 3 17 Reference Resource 3 define up to three different reference signals The sum...

Page 58: ...it set in parameter 4 18 Current Limit The value 0 00 3 52 Ramp 2 Ramp down Time Range Function corresponds to 0 01 s in speed mode See ramp up time in parameter 3 51 Ramp 2 Ramp up Time Par 3 52 tdec...

Page 59: ...over voltage arises in the inverter due to regenerative operation of the motor and such that the generated current does not exceed the current limit set in 3 72 Ramp 4 Ramp down Time Range Function p...

Page 60: ...mmunication port 130BA069 10 Time RPM P 4 13 RPM high limit Reference P 1 25 Motor speed low limit P 4 11 RPM P 3 81 Qramp Qstop Figure 6 5 Quick Stop Ramp Time Parameter Descriptions VLT Compressor D...

Page 61: ...settings in parameter 4 19 Max Output Frequency from 0 to 100 or vice versa The signal levels corresponding to 0 and 100 are defined in the analog input scaling e g parameter group 6 1 Analog Input 1...

Page 62: ...The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or 02 4 56 Warning Feedback Low Range Function 999999 999 ReferenceFeed backUnit 999999 999...

Page 63: ...par 4 13 RPM Some systems call for avoiding certain output speeds due to resonance problems in the system Enter the upper limits of the speeds to be avoided 4 63 Bypass Speed To Hz Array 4 Range Funct...

Page 64: ...put terminals The digital inputs are used for selecting various functions in the frequency converter All digital inputs can be set to the following functions Digital input function Select Terminal No...

Page 65: ...time set in parameter 3 81 Quick Stop Ramp Time When motor stops the shaft is in free mode Logic 0 Quick stop 5 DC brake inverse Inverted input for DC braking NC Stops motor by energizing it with a D...

Page 66: ...e always follows ramp 2 parameter 3 51 Ramp 2 Ramp Up Time and parameter 3 52 Ramp 2 Ramp Down Time in the range 0 to parameter 1 23 Motor Frequency NOTICE When Freeze output is active the frequency c...

Page 67: ...TC Card 1 However only one Digital Input must be set to this choice 121 Lead Pump Alternation 130 Compressor Interlock Use with cascade controller Logic 1 will stop the fixed speed compressor and give...

Page 68: ...er 1 17 Voltage filter time const has been exceeded 12 Out of current range The motor current is outside the range set in parameter 4 18 Current Limit 13 Below current low The motor current is lower t...

Page 69: ...the output will go high Otherwise it will be low 70 Logic Rule 0 See parameter group 13 4 Logic Rules If Logic Rule 0 is evaluated as TRUE the output will go high Otherwise it will be low 71 Logic Rul...

Page 70: ...ng start up by using a bypass valve After the start command is given the bypass valve will be open until the frequency converter reaches parameter 4 11 Motor Speed Low Limit RPM After the limit has be...

Page 71: ...agram in this section 5 51 Term 29 High Frequency Range Function 100 Hz 0 110000 Hz Enter the high frequency limit corresponding to the high motor shaft speed i e high reference value in parameter 5 5...

Page 72: ...the control This is an advantage e g if there is a great amount on noise in the system 5 60 Terminal 27 Pulse Output Variable Option Function 0 No operation Select the desired display output for term...

Page 73: ...terminal Bit 18 Option C Relay 3 output terminal Bit 19 Option C Relay 4 output terminal Bit 20 Option C Relay 5 output terminal Bit 21 Option C Relay 6 output terminal Bit 22 Option C Relay 7 output...

Page 74: ...uency converter prioritizes the time out functions as follows 1 Parameter 6 01 Live Zero Timeout Function 2 Parameter 8 04 Control Word Timeout Function 1 Freeze Output Frozen at the present value 0 O...

Page 75: ...utput value of the pressure sensor 6 22 Terminal 54 Low Current Range Function 4 0mA 0 0 to par 6 13 mA This reference signal should correspond to the minimum output value of the pressure sensor 6 23...

Page 76: ...x Output Frequency 119 Torque lim 149 Torque lim 4 20mA Analog output at zero torque 12 mA Motoric torque will increase the output 6 50 Terminal 42 Output Option Function current to max torque limit 2...

Page 77: ...ternal functions in the frequency converter 141 Bus ctrl 0 20mA t o Parameter 4 54 Warning Reference Low defines the behavior of the analog output in case of bus time out 142 Bus ctrl 4 20mA t o Param...

Page 78: ...tor does not react Practical settings of parameter 7 06 Speed PID Lowpass Filter Time taken from the number of pulses per revolutions from encoder Encoder PPR Parameter 7 06 Spee d PID Lowpass Filter...

Page 79: ...then operate under speed open loop control Thereafter when the Process PID start speed is reached the frequency converter will change over to Process PID control 7 33 Process PID Proportional Gain Ra...

Page 80: ...s a pressure with units as specified in 7 61 Feedback 1 Source Unit It is converted to a temperature before passing it to the process controller The pressure to temperature conversion is based on the...

Page 81: ...e used for the constant A2 in the pressure to temperature conversion formula see parameter group 7 7 Pressure to Temperature Conversion 7 73 User Defined Refrigerant A3 Range Function 200 000 300 000...

Page 82: ...er consideration must be taken The Cut Out value should be below the Override Bandwidth setting see parameter 25 21 Override Bandwidth Cut In should be set above the set point and below the value for...

Page 83: ...rams If this time is exceeded it indicates that the serial communication has stopped The function selected in parameter 8 04 Control Word Timeout Function is then carried out A valid control word trig...

Page 84: ...Only the selections valid for the fieldbus installed in slot A will be visible in the LCP display For guidelines in selection of 0 FC profile and 1 PROFIdrive profile refer to the Serial communication...

Page 85: ...he digital inputs 8 51 Quick Stop Select Select control of the Quick Stop function via the terminals digital input and or via the bus Option Function 0 Digital input 1 Bus 2 Logic AND 3 Logic OR 8 52...

Page 86: ...puts 3 Logic OR Activates the Preset Reference selection via the fieldbus serial communication port OR via one of the digital inputs 6 9 5 8 8 FC Port Diagnostics These parameters are used for monitor...

Page 87: ...nly event 0 each scan interval Only when event 0 is evaluated TRUE will the SLC execute action 0 and start evaluating event 1 It is possible to programme from 1 to 20 events and actions When the last...

Page 88: ...imit set in parameter 4 57 Warning Feedback High 16 Thermal warning The thermal warning turns on when the temperature exceeds the limit in the 13 01 Start Event Select the boolean TRUE or FALSE input...

Page 89: ...12 Above speed high 13 Out of feedb range 14 Below feedb low 15 Above feedb high 16 Thermal warning 17 Mains out of range 18 Reverse 19 Warning 20 Alarm trip 21 Alarm trip lock 13 02 Stop Event Selec...

Page 90: ...See parameter group 13 1 Comparators 13 02 Stop Event Select the boolean TRUE or FALSE input to deactivate Smart Logic Control Option Function 101 RS Flipflop 7 See parameter group 13 1 Comparators 1...

Page 91: ...when the frequency converter is running counter clockwise the logical product of the status bits running AND reverse 56 In range The motor is running within the programmed current and speed ranges se...

Page 92: ...lt of SLC timer 1 122 SL Timeout 2 The result of SLC timer 2 123 SL Timeout 3 The result of SLC timer 3 13 10 Comparator Operand Array 6 Option Function 124 SL Timeout 4 The result of SLC timer 4 125...

Page 93: ...oximately equal to the fixed value in parameter 13 12 Comparator Value 2 Inverse logic of option 0 5 TRUE longer than 13 11 Comparator Operator Array 6 Option Function 6 FALSE longer than 7 TRUE short...

Page 94: ...urrent Limit 7 Out of current range 8 Below I low 9 Above I high 10 Out of speed range 11 Below speed low 12 Above speed high 13 Out of feedb range 13 15 RS FF Operand S Option Function 14 Below feedb...

Page 95: ...1 28 Logic rule 2 13 16 RS FF Operand R Option Function 29 Logic rule 3 30 SL Timeout 0 31 SL Timeout 1 32 SL Timeout 2 33 Digital input DI18 34 Digital input DI19 35 Digital input DI27 36 Digital in...

Page 96: ...ic Rule Operator 1 and parameter 13 43 Logic Rule Operator 2 Par 13 43 Logic Rule Operator 2 Par 13 41 Logic Rule Operator 1 Par 13 40 Logic Rule Boolean 1 Par 13 42 Logic Rule Boolean 2 Par 13 44 Log...

Page 97: ...ATEX ETR cur lim warning is active the output will be 1 93 ATEX ETR freq alarm Selectable if parameter 1 90 Motor Thermal Protection is set to 20 ATEX ETR or 21 Advanced ETR If the warning 165 ATEX ET...

Page 98: ...7 Digital input DI32 38 Digital input DI33 39 Start command 40 Drive stopped 41 Reset Trip 42 Auto reset Trip 43 OK key 44 Reset key 45 Left key 46 Right key 47 Up key 48 Down key 50 Comparator 4 51 C...

Page 99: ...eter 13 41 Logic Rule Operator 1 and parameter 13 42 Logic Rule Boolean 2 0 DISABLED factory setting select this option to ignore parameter 13 44 Logic Rule Boolean 3 0 DISABLED 1 AND 2 OR 3 AND NOT 4...

Page 100: ...ll be 1 93 ATEX ETR freq alarm Selectable if parameter 1 90 Motor Thermal Protection is set to 20 ATEX ETR or 21 Advanced ETR If the warning 165 ATEX ETR 13 44 Logic Rule Boolean 3 Array 6 Option Func...

Page 101: ...the output will be 1 91 ATEX ETR cur alarm Selectable if parameter 1 90 Motor Thermal Protection is set to 20 ATEX ETR or 21 Advanced ETR If the alarm 166 ATEX ETR freq lim alarm is active the output...

Page 102: ...changed it will merge with other preset reference commands coming from either the digital inputs or via a fieldbus 15 Select preset ref 5 Selects preset reference 5 13 52 SL Controller Action Array 20...

Page 103: ...l out E high Any output with SL output E will be high 43 Set digital out F high Any output with SL output Fwill be high 60 Reset Counter A Resets Counter A to zero 61 Reset Counter B Resets Counter B...

Page 104: ...original selection If the number of AUTOMATIC RESETS is not reached within 10 minutes or when a Manual reset is performed the internal AUTOMATIC RESET counter returns to zero CAUTION The motor may st...

Page 105: ...internal fan 0 Auto Runs the fan only when the internal temperature of the frequency converter is in the range 35 C approx 55 C The fan will run at low speed at 35 C and at full speed at approx 55 C...

Page 106: ...ff with caution as it will ignore all Warnings Alarms for the chosen source 1 Warning 2 Trip 3 Trip Lock Failure Alarm Off War ning Trip Trip Lock Over Current 13 D X Motor phase missing 30 D X Motor...

Page 107: ...unction 0 0 65535 View the number of frequency converter temperature faults which have occurred 15 05 Over Volts Range Function 0 0 65535 View the number of frequency converter overvoltages which have...

Page 108: ...hown is calculated based on the actual motor voltage and motor current The value is filtered and therefore approx 30 ms may pass from when an input value changes to when the data readout values change...

Page 109: ...22 Torque Range Function 0 200 200 Value shown is the torque in percent of nominal torque with sign applied to the motor shaft 16 25 Torque Nm High Range Function 0 Nm 200000000 200000000 Nm View the...

Page 110: ...View the total reference the sum of digital analog preset bus and freeze references plus catch up and slow down 16 51 Pulse Reference Range Function 0 200 200 View the reference value from programmed...

Page 111: ...Range Function 0 20 20 View the actual value at input 53 16 63 Terminal 54 Switch Setting Option Function View the setting of input terminal 54 0 Current 1 Voltage 16 64 Analog Input 54 Range Functio...

Page 112: ...more information refer to the relevant fieldbus manual 16 84 Comm Option Status Range Function 0 0 65535 View the extended fieldbus comm option status word For more information refer to the relevant...

Page 113: ...the serial communication port in hex code 16 95 Ext Status Word 2 Range Function 0 0 4294967295 Returns the extended warning word 2 sent via the serial communication port in hex code Parameter Descri...

Page 114: ...and 25 4 Staging settings will often be dependent on the dynamic of the system and final adjustment to be done at the commissioning of the plant NOTICE The Cascade Controller is supposed to operate in...

Page 115: ...ng hours for each compressor 25 05 Fixed Lead Compressor Option Function Fixed Lead Compressor means that the variable speed compressor is connected directly to the frequency converter and if a contac...

Page 116: ...er 3 03 Maximum Reference 25 21 Override Bandwidth Range Function SBW SBW Setpoint Override Bandwidth 175ZA673 10 Figure 6 27 Override Bandwidth Setting the OBW too close to the SBW could defeat the p...

Page 117: ...n response to a staging pressure peak The OBW Time can be programmed to prevent staging until the system pressure has stabilized and normal control established Set the timer to a value that allows the...

Page 118: ...n of the lead compressor until a preset time after the start of the fixed speed compressor to eliminate pressure surges in the system Only to be used if 1 Soft Starter is selected in parameter 25 02 M...

Page 119: ...e variable speed compressor ramps down to a lower 25 45 Staging Speed Hz Option Function speed When the variable speed compressor reaches the Staging Speed the fixed speed compressor is staged on Stag...

Page 120: ...nd or 3 At Staging or Command have been selected in parameter 25 50 Lead Compressor Alternation If an Alternation Event is selected the alternation of lead compressor takes place every time the event...

Page 121: ...and then decelerated to zero speed After a Delay Before Starting Next Compressor parameter 25 58 Run Next Compressor Delay the next lead compressor middle graph is accelerated and another original lea...

Page 122: ...or Status Option Function compressor number and the current status of the compressor Example Readout is with the abbreviation like 1 D 2 O This means that compressor 1 is running and speed controlled...

Page 123: ...e digital input interlocks are selected as 130 132 Compressor 1 3 Interlock in parameter group 5 1 Digital Inputs 0 Off The compressor is active for staging destaging 1 On The Compressor Interlock com...

Page 124: ...ty for short periods at regular time intervals or by ensuring adequate oil return when velocity is too low With Oil Return Management these two oil return mechanisms can be programmed into the Compres...

Page 125: ...he discharge temperature Cooling is decreased by step wise lowering of the shaft speed until the discharge temperature either drops below warning level or exceeds emergency level Each step represents...

Page 126: ...med in parameter 28 21 Temperature Unit 28 27 Discharge Temperature Range Function 0 2147483648 2147483648 Returns the actual value of the discharge temperature 6 15 4 28 3 Crankcase Heating A DC hold...

Page 127: ...ressor speed and the Load Profiler measures the load as the running hours spent operating within certain speed intervals The speed intervals are calculated based on parameter 4 11 Motor Speed Low Limi...

Page 128: ...this parameter decrements the value in parameter 4 13 Motor Speed High Limit RPM which becomes active when night mode is activated Parameter Descriptions VLT Compressor Drives CDS 302 CDS 303 126 Danf...

Page 129: ...date TimD Table 6 12 6 16 1 Conversion The various attributes of each parameter are displayed in Factory Setting Parameter values are transferred as whole numbers only Conversion factors are therefore...

Page 130: ...TRUE Uint8 0 31 Custom Readout Min Value ExpressionLimit All set ups TRUE 2 Int32 0 32 Custom Readout Max Value 100 CustomReadoutUnit All set ups TRUE 2 Int32 0 37 Display Text 1 0 N A 1 set up TRUE...

Page 131: ...1 set up TRUE Uint8 0 81 Working Days ExpressionLimit 1 set up TRUE Uint8 0 82 Additional Working Days ExpressionLimit 1 set up TRUE 0 TimeOfDay 0 83 Additional Non Working Days ExpressionLimit 1 set...

Page 132: ...it All set ups FALSE 4 Uint32 1 35 Main Reactance Xh ExpressionLimit All set ups FALSE 4 Uint32 1 36 Iron Loss Resistance Rfe ExpressionLimit All set ups FALSE 3 Uint32 1 37 d axis Inductance Ld Expre...

Page 133: ...ll set ups TRUE 1 Uint8 1 8 Stop Adjustments 1 80 Function at Stop 0 Coast All set ups TRUE Uint8 1 81 Min Speed for Function at Stop RPM ExpressionLimit All set ups TRUE 67 Uint16 1 82 Min Speed for...

Page 134: ...ed RPM ExpressionLimit All set ups TRUE 67 Uint16 3 4 Ramp 1 3 41 Ramp 1 Ramp Up Time ExpressionLimit All set ups TRUE 2 Uint32 3 42 Ramp 1 Ramp Down Time ExpressionLimit All set ups TRUE 2 Uint32 3 5...

Page 135: ...4 51 Warning Current High ImaxVLT P1637 All set ups TRUE 2 Uint32 4 52 Warning Speed Low 0 RPM All set ups TRUE 67 Uint16 4 53 Warning Speed High outputSpeedHighLimit P413 All set ups TRUE 67 Uint16...

Page 136: ...ay ExpressionLimit All set ups TRUE Uint8 5 41 On Delay Relay 0 01 s All set ups TRUE 2 Uint16 5 42 Off Delay Relay 0 01 s All set ups TRUE 2 Uint16 5 5 Pulse Input 5 50 Term 29 Low Frequency 100 Hz A...

Page 137: ...s Control 0 All set ups TRUE 2 N2 5 96 Pulse Out 29 Timeout Preset 0 1 set up TRUE 2 Uint16 5 97 Pulse Out X30 6 Bus Control 0 All set ups TRUE 2 N2 5 98 Pulse Out X30 6 Timeout Preset 0 1 set up TRUE...

Page 138: ...al 54 Live Zero 1 Enabled All set ups TRUE Uint8 6 3 Analog Input X30 11 6 30 Terminal X30 11 Low Voltage 0 07 V All set ups TRUE 2 Int16 6 31 Terminal X30 11 High Voltage 10 V All set ups TRUE 2 Int1...

Page 139: ...ration Conver sion index Type 6 63 Terminal X30 8 Output Bus Control 0 All set ups TRUE 2 N2 6 64 Terminal X30 8 Output Timeout Preset 0 1 set up TRUE 2 Uint16 Parameter Descriptions Operating Instruc...

Page 140: ...ional Gain 100 All set ups TRUE 0 Uint16 7 13 Torque PI Integration Time 0 020 s All set ups TRUE 3 Uint16 7 2 Process Ctrl Feedb 7 20 Process CL Feedback 1 Resource 0 No function All set ups TRUE Uin...

Page 141: ...up TRUE 3 Uint16 8 36 Max Response Delay ExpressionLimit 1 set up TRUE 3 Uint16 8 37 Max Inter Char Delay ExpressionLimit 1 set up TRUE 5 Uint16 8 4 FC MC protocol set 8 40 Telegram Selection 1 Stand...

Page 142: ...ll set ups TRUE Uint8 14 29 Service Code 0 N A All set ups TRUE 0 Int32 14 3 Current Limit Ctrl 14 30 Current Lim Cont Proportional Gain 100 All set ups FALSE 0 Uint16 14 31 Current Lim Contr Integrat...

Page 143: ...All set ups FALSE 0 Uint8 15 31 Alarm Log Value 0 N A All set ups FALSE 0 Int16 15 32 Alarm Log Time 0 s All set ups FALSE 0 Uint32 15 33 Alarm Log Date and Time ExpressionLimit All set ups FALSE 0 Ti...

Page 144: ...VisStr 20 15 74 Option in Slot C0 E0 0 N A All set ups FALSE 0 VisStr 30 15 75 Slot C0 E0 Option SW Version 0 N A All set ups FALSE 0 VisStr 20 15 76 Option in Slot C1 E1 0 N A All set ups FALSE 0 Vi...

Page 145: ...Inverter Thermal 0 All set ups FALSE 0 Uint8 16 36 Inv Nom Current ExpressionLimit All set ups FALSE 2 Uint32 16 37 Inv Max Current ExpressionLimit All set ups FALSE 2 Uint32 16 38 SL Controller Stat...

Page 146: ...Fieldbus FC Port 16 80 Fieldbus CTW 1 0 N A All set ups FALSE 0 V2 16 82 Fieldbus REF 1 0 N A All set ups FALSE 0 N2 16 84 Comm Option STW 0 N A All set ups FALSE 0 V2 16 85 FC Port CTW 1 0 N A All se...

Page 147: ...tage Function 0 Disabled All set ups TRUE Uint8 25 34 Destage Function Time 15 s All set ups TRUE 0 Uint16 25 4 Staging Settings 25 42 Staging Threshold ExpressionLimit All set ups TRUE 0 Uint8 25 43...

Page 148: ...ups FALSE 0 Uint16 28 27 Discharge Temperature 0 DTM_ReadoutUnit All set ups TRUE 0 Int32 28 3 Crankcase Heating 28 30 Crankcase Heating Control ExpressionLimit All set ups TRUE Uint8 28 31 Heating D...

Page 149: ...not trip locked can also be reset using the automatic reset function in parameter 14 20 Reset Mode Warning automatic wake up is possible If a warning or alarm is marked against a code in Table 7 1 thi...

Page 150: ...sing X X X Parameter 4 58 Missing Motor Phase Function 31 Motor phase V missing X X X Parameter 4 58 Missing Motor Phase Function 32 Motor phase W missing X X X Parameter 4 58 Missing Motor Phase Func...

Page 151: ...Parameter 5 19 Termina l 37 Safe Stop 69 Pwr Card Temp X X 70 Illegal FC configuration X 71 PTC 1 Safe Stop 72 Dangerous failure 73 Safe Stop Auto Restart X X Parameter 5 19 Termina l 37 Safe Stop 74...

Page 152: ...SDO channels 125 HW end limit 149 Too many inter 150 No ext 24 V 151 GOSUB limit 152 Return limit 154 D out overload 155 LINK failed 156 Illegal double arg 160 Internal Intr error 162 Memory error 163...

Page 153: ...2 OR 13 are active and the requested direction matches the reference sign Profibus OFF1 active 3 00000008 8 Ctrl Card Temp A65 ServiceTrip reserved Ctrl Card Temp W65 reserved Slow Down slow down comm...

Page 154: ...est 18 00040000 262144 Brake Overload A26 Fans error Brake Overload W26 Fans Warn Password Protection 0 61 ALL_NO_ACCESS OR BUS_NO_ACCESS OR BUS_READONLY Start 19 00080000 524288 U phase Loss A30 ECB...

Page 155: ...his condition Troubleshooting Check connections on all the analog input terminals Control card terminals 53 and 54 for signals terminal 55 common MCB 101 terminals 11 and 12 for signals terminal 10 co...

Page 156: ...al fan is in use check in parameter 1 91 Motor External Fan that it is selected Running AMA in parameter 1 29 Automatic Motor Adaptation AMA tunes the adjustable frequency drive to the motor more accu...

Page 157: ...rd Timeout Function is set to 5 Stop and Trip a warning appears and the frequency converter ramps down until it stops then displays an alarm Troubleshooting Check connections on the serial communicati...

Page 158: ...heatsink has been exceeded The temperature fault will not reset until the temperature falls below a defined heatsink temperature The trip and reset points are different based on the adjustable freque...

Page 159: ...ected to terminal 27 or remove short circuit connection Check parameter 5 00 Digital I O Mode and parameter 5 01 Terminal 27 Mode WARNING 41 Overload of digital output terminal 29 Check the load conne...

Page 160: ...the frequency converter WARNING ALARM 61 Feedback error An error between calculated speed and speed measurement from feedback device The function Warning Alarm Disabling setting is in parameter 4 30 M...

Page 161: ...the frequency converter Confirm the spare part and its power card are the correct part number WARNING 77 Reduced power mode This warning indicates that the frequency converter is operating in reduced...

Page 162: ...uency converter trips WARNING 165 ATEX ETR freq lim warning The frequency converter is running more than 50 s below the permitted minimum frequency parameter 1 98 ATEX ETR interpol points freq 0 ALARM...

Page 163: ...chapter 3 4 1 Fuses 1 Normal overload 110 torque during 60 s 2 American Wire Gauge 3 Measured using 5 m screened motor cables at rated load and rated frequency 4 The typical power loss is at nominal...

Page 164: ...21 IP55 IP66 lbs kg 50 4 23 59 5 27 59 5 27 Efficiency4 0 98 0 98 0 98 Table 8 2 Mains Supply 3x380 480 V AC For fuse ratings see chapter 3 4 1 Fuses 1 Normal overload 110 torque during 60 s 2 America...

Page 165: ...tinuous at 575 V A 24 31 37 Intermittent at 575 V A 27 34 41 Additional specifications IP21 IP55 IP66 max cable cross section5 mains brake load sharing mm2 AWG 2 16 10 10 6 8 8 35 2 35 2 IP21 IP55 IP6...

Page 166: ...ntrol terminals rigid wire 1 5 mm2 16 AWG 2 x 0 75 mm2 Maximum cross section to control terminals flexible cable 1 mm2 18 AWG Maximum cross section to control terminals cable with enclosed core 0 5 mm...

Page 167: ...sistance Ri approx 200 Max current 30 mA Resolution for analog inputs 10 bit sign Accuracy of analog inputs Max error 0 5 of full scale Bandwidth 100 Hz The analog inputs are galvanically isolated fro...

Page 168: ...d from the supplier voltage PELV Control Card USB Serial Communication USB standard 1 1 Full speed USB plug USB type B device plug Connection to PC is carried out via a standard host device USB cable...

Page 169: ...n on special conditions Minimum ambient temperature during full scale operation 32 F 0 C Minimum ambient temperature at reduced performance 14 F 10 C Temperature during storage transport 13 to 149 F 2...

Page 170: ...2 103 Default Settings 127 Diagnosis Read Outs 16 9 110 Digital input 62 102 118 121 154 166 Digital inputs 42 54 67 Digital Inputs 164 Digital output 62 102 Digital Outputs 66 Digital Bus 8 5 83 E ET...

Page 171: ...p time 55 Relay outputs 66 Relay Outputs 166 Reset 154 159 RS Flip Flops 13 1 91 S Safe stop 37 Safe Stop 24 164 Safe Torque Off 7 Safety Instructions 6 Screened armored 20 26 164 Sequence of Operatio...

Page 172: ...brochures or other printed material Danfoss reserves the right to alter its products at any time without notice provided that alterations to products already on order shall not require material change...

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Danfoss VLT CDS 303, Operating Instructions Manual

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