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6.14 Parameters: 25-** Cascade Controller

Parameters for configuring the Basic Cascade Controller for
sequence control of multiple compressors.

Illustration 6.25 Cascade Controller Feedback Signals

To configure the Cascade Controller to the actual system
and the desired control strategy, it is recommended to
follow the below sequence, starting with parameter group

25-0* System Settings

, and next parameter group

25-5*

Alternation Settings

. These parameters can normally be set

in advance.
Parameters in parameter group

25-2* Bandwidth Settings

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.

NOTE

The Cascade Controller is supposed to operate in closed
loop controlled by the built-in PI controller (

[1] Speed

Closed Loop

selected in

1-00 Configuration Mode

). If

[0]

Speed Open Loop

is selected in

1-00 Configuration Mode

, all

fixed speed compressors will be destaged, but the variable
speed compressor will still be controlled by the frequency
converter, now as an open loop configuration:

Parameter Descriptions

Operating Instructions VLT

®

CDS302 and CDS303

MG34M302 - VLT

®

is a registered Danfoss trademark/Commercial Compressor

107

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Содержание VLT CDS302

Страница 1: ...rements for Mechanical Installation 14 3 2 Mechanical Installation 14 3 2 1 Accessory Bags 14 3 2 2 Mechanical Mounting 15 3 2 3 Mechanical Dimensions 15 3 3 Electrical Installation 17 3 3 1 Cables Ge...

Страница 2: ...CP to Frequency Converter 43 5 2 8 Parameter Selection 43 5 2 9 Changing Data 43 5 2 10 Changing a Text Value 43 5 2 11 Changing a Group of Numeric Data Values 43 6 Parameter Descriptions 45 6 1 LCP D...

Страница 3: ...28 Compressor Functions 118 6 16 Parameter Lists 122 6 16 1 Conversion 122 7 Troubleshooting 142 7 1 1 Warnings Alarm Messages 142 8 General Specifications 153 Index 160 Contents Operating Instructio...

Страница 4: ...00 RPM for CDS303 The dedicated frequency converter functionality includes Start Up Once the frequency converter has a start command the compressor runs up to 3000 RPM and remains at that speed for 10...

Страница 5: ...tory with the frequency converter compressor in any type of application High Pressure Switch The high pressure switch must be connected to input terminal 27 of the frequency converter in series with t...

Страница 6: ...ith Electrical and Electronic Waste according to local and currently valid legislation Compressors Do not to throw away a used compressor but dispose of it and its oil at a specialised recycling compa...

Страница 7: ...ronic fault temporary overload a fault in the mains supply or lost motor connection may cause a stopped motor to start A frequency converter with Safe Stop provides a certain degree of protection agai...

Страница 8: ...que Off SS1 EN 61800 5 2 Safe Stop 1 Table 2 3 Abbreviations Related to Functional Safety The PFDavg value Probability of Failure on Demand Failure probability in the event of a request of the safety...

Страница 9: ...g the Safe Torque Off function If a running frequency converter is stopped by using the function the unit trips and stops by coasting If unacceptable or dangerous use another stopping mode to stop the...

Страница 10: ...ee Illustration 2 5 When activating the safety function the frequency converter performs a normal controlled stop This can be activated through terminal 27 After the safe delay time has expired on the...

Страница 11: ...mple 1 Frequency converter 2 Reset key 3 Safety relay 4 Emergency stop Table 2 6 130BC974 10 12 37 K 1 K 1 K 1 4 1 3 2 Illustration 2 6 STO Category 4 Example 1 Frequency converter 2 Reset key 3 Safet...

Страница 12: ...fulfilled while 24 V DC supply to terminal 37 is kept removed or low by a safety device which itself fulfills Cat 3 EN 954 1 PL d ISO 13849 1 If external forces act on the motor it must not operate wi...

Страница 13: ...ed Safe Stop and MCB 112 where 5 19 Terminal 37 Safe Stop is set to 7 PTC 1 Relay W or 8 PTC 1 Relay A W 2 1 Remove the 24 V DC voltage supply to terminal 37 by the interrupt device while the frequenc...

Страница 14: ...ice life of the unit is reduced if derating for ambient temperature is not taken into account 3 2 Mechanical Installation 3 2 1 Accessory Bags Find the following parts included in the CDS302 Accessory...

Страница 15: ...converter The back wall must always be solid All frequency converters are equipped with a back metal plate to guarantee proper heat exchanger ventilation Never remove this metal sheet 3 2 3 Mechanical...

Страница 16: ...0 308 308 Distance between mounting holes b 210 210 140 200 272 270 Depth mm Without option C 260 260 249 242 310 333 With option C 260 260 262 242 310 333 Screw holes c 12 0 12 0 8 12 0 d 19 0 19 0 1...

Страница 17: ...val of Knockouts for Extra Cables Remove cable entry from the frequency converter Avoiding foreign parts in the frequency converter when removing knockouts Cable entry has to be supported around the k...

Страница 18: ...I 130BA720 10 Illustration 3 8 How to Connect to Mains and Earthing for B3 with RFI NOTE For correct cable dimensions see 8 General Specifications How to Install Operating Instructions VLT CDS302 and...

Страница 19: ...2 L3 93 L1 91 L2 92 L3 93 U 96 V 97 W 98 DC 88 DC 89 R 81 R 82 130BA714 10 95 99 Illustration 3 9 How to Connect to Mains and Earthing for B4 130BA389 10 95 91 L1 92 L2 93 L3 Illustration 3 10 How to...

Страница 20: ...rter with screws and washers from the accessory bag 2 Attach motor compressor cable to terminals 96 U 97 V 98 W 3 Connect to earth connection terminal 99 on decoupling plate with screws from the acces...

Страница 21: ...nals can accept aluminium conductors but the conductor surface has to be clean and the oxidation must be removed and sealed by neutral acid free Vaseline grease before the conductor is connected Furth...

Страница 22: ...ver The cable is now mounted to the terminal 130BT312 10 Illustration 3 19 To remove the cable from the terminal 1 Insert a screwdriver in the square hole 2 Pull out the cable 130BT311 10 Illustration...

Страница 23: ...33 20 P 5 12 6 P 5 10 9 24V Speed Start Stop inverse Safe Stop Start 18 Start 27 Illustration 3 23 How to Install Operating Instructions VLT CDS302 and CDS303 MG34M302 VLT is a registered Danfoss tra...

Страница 24: ...e relay1 relay2 PNP Source NPN Sink ON Terminated OFF Open Brake resistor 130BA025 19 91 L1 92 L2 93 L3 PE 88 89 50 10 V OUT 53 A IN 54 A IN 55 COM A IN 0 4 20 mA 12 24V OUT 13 24V OUT 37 D IN 18 D IN...

Страница 25: ...between the frequency converter and the PLC etc is different electric noise may occur that will disturb the entire system Solve this problem by fitting an equalising cable next to the control cable M...

Страница 26: ...mpressor 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 frequency converter See also 3 3 11 Electrical Install...

Страница 27: ...rding to EN 50178 The earth leakage current from the frequency converter exceeds 3 5 mA To ensure a good mechanical connection from the earth cable to the earth connection terminal 95 the cable cross...

Страница 28: ...e default value Illustration 3 28 Controls using an external controller with 4 20 mA signal Change switch 53 from U to I It is not necessary to change any parameters as this is the default value 130BC...

Страница 29: ...lectrical 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 NOTE...

Страница 30: ...ZMB2 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 aR 200 30 aR 250 37 NZMB...

Страница 31: ...r 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 drive Short Circuit Current Rating SCCR i...

Страница 32: ...S 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 250 JJS 25...

Страница 33: ...25 55 KTS R 150 JKS 150 JJS 150 75 KTS R 175 JKS 175 JJS 175 Table 3 15 525 600 V Frame Sizes B and C Recommended max fuse Power SIBA Littel fuse Ferraz Shawmut Ferraz Shawmut kW Type RK1 Type RK1 Typ...

Страница 34: ...he other 2 compressors are controlled by the two built in relays NOTE Only one fixed speed compressor can be controlled with the built in relays To control two fixed compressors an extra relay is need...

Страница 35: ...ressors that are disabled off running on the frequency converter or running on the mains Pack Status is a read out of the status for the Pack Controller The display shows the Pack Controller is disabl...

Страница 36: ...Oil Soleniod Valve 37 SAFE STOP 130BX505 10 Illustration 3 32 How to Install Operating Instructions VLT CDS302 and CDS303 36 MG34M302 VLT is a registered Danfoss trademark Commercial Compressor 3 3...

Страница 37: ...ference 1 Apply analogue speed reference signal 0 10 V on terminal 53 using the terminal 55 as common See 3 3 14 Basic Examples of Control Connections 2 Check if switch A53 is positioned to U voltage...

Страница 38: ...able via LCP Select 1 Remote if the set point is given by the analogue input as defined in 4 Press Quick Menu go to My Personal Menu go to 0 22 Display Line 1 3 Small and select 1652 Feedback unit The...

Страница 39: ...icated compressor features press Quick Menu and go to Q4 or follow Illustration 4 5 Illustration 4 5 Flowchart Quick Set up Operating Instructions VLT CDS302 and CDS303 MG34M302 VLT is a registered Da...

Страница 40: ...ndicator 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 c I...

Страница 41: ...5 Changes Made Q6 Loggings Q7 Load Profile Use Quick Menu for programming the parameters belonging to the Quick Menu It is possible to switch directly between Quick Menu mode and Main Menu mode 5 2 2...

Страница 42: ...reached press OK NOTE Stop the motor compressor before performing this operation The LCP can now be connected to another frequency converter and the parameter settings copied to this frequency conver...

Страница 43: ...r group choose a parameter with the navigation keys The middle section on the display shows the parameter number and name as well as the selected parameter value Illustration 5 5 5 2 9 Changing Data T...

Страница 44: ...Illustration 5 6 How to Program Operating Instructions VLT CDS302 and CDS303 44 MG34M302 VLT is a registered Danfoss trademark Commercial Compressor 5 5...

Страница 45: ...14 00 Switching Pattern 1 29 Automatic Motor Adaptation AMA 1 74 Start Speed RPM 14 01 Switching Frequency 1 30 Stator Resistance Rs 1 76 Start Current 14 10 Mains Failure 1 31 Rotor Resistance Rr 1 7...

Страница 46: ...rate parameter set ups within which all parameters can be programmed 0 10 Active Set up Option Function 2 Set up 2 3 Set up 3 4 Set up 4 9 Multi Set up Remote selection of set ups using digital inputs...

Страница 47: ...e synchronised or linked Synchro nisation can be performed in two ways 1 Change the edit set up to Set up 2 2 in 0 11 Edit Set up and set 0 12 This Set up Linked to to Set up 1 1 This will start the l...

Страница 48: ...mber of Resets 1600 Control Word 1601 Reference Unit 1602 Reference 1603 Status Word 1605 Main Actual Value 1609 Custom Readout 1610 Power kW 0 20 Display Line 1 1 Small Option Function 1611 Power hp...

Страница 49: ...l have a linear squared or cubed relation to speed This relation will depend on the unit selected see table above The actual calculated value can be read in 16 09 Custom Readout and or shown in the di...

Страница 50: ...et ups from the LCP memory to the frequency converter memory 3 Size indep from LCP Copies only the parameters that are independent of the motor size 0 51 Set up Copy Option Function 0 No copy 1 Copy t...

Страница 51: ...d editing of Quick Menu parameters 2 No access Prevents unauthorised viewing and editing of Quick Menu parameters NOTE If 0 61 Access to Main Menu w o Password is set to 0 Full access this parameter w...

Страница 52: ...rameters are set in parameter groups 7 2 Process PID Feedback and 7 3 Process PID Control NOTE This parameter cannot be adjusted while the motor is running 1 13 Compressor Selection Range Function The...

Страница 53: ...t 1 or 18 Preset ref bit 2 for the corresponding digital inputs in parameter group 5 1 Digital Inputs 3 12 Catch up slow Down Value Range Function 0 00 0 00 100 00 Enter a percentage relative value to...

Страница 54: ...o function 3 19 Jog Speed RPM Range Function Size related 0 par 4 13 RPM Enter a value for the jog speed nJOG which is a fixed output speed The frequency converter runs at this speed when the jog func...

Страница 55: ...ios or switching initiators may be necessary 3 61 Ramp 3 Ramp up Time Range Function Size related 0 01 3600 00 s Enter the ramp up time i e the acceleration time from 0 RPM to the rated motor speed ns...

Страница 56: ...given jog ramp time does not exceed the current limit in 4 18 Current Limit The jog ramp time starts upon activation of a jog signal via the LCP a selected digital input or the serial communication p...

Страница 57: ...it Factor SourceOption Option Function 12 Analog input X30 11 inv 14 Analog input X30 12 16 Analog input X30 12 inv 6 5 2 4 5 Adjustable Warnings Use these parameters to adjust warning limits for curr...

Страница 58: ...larm is displayed if a missing motor phase occurs 1 On NOTE This parameter cannot be adjusted while the motor is running 6 5 3 4 6 Speed Bypass Some systems call for avoiding certain output frequencie...

Страница 59: ...ions in the frequency converter All digital inputs can be set to the following functions Digital input function Select Terminal No operation 0 All term 19 29 33 Reset 1 All term 32 Coast inverse 2 All...

Страница 60: ...120 All Lead pump alternation 121 All Comp 1 Interlock 130 All Comp 2 Interlock 131 All Comp 3 Interlock 132 All Comp 1 Inv interlock 139 All Comp 2 Inv interlock 140 All Comp 3 Inv interlock 141 All...

Страница 61: ...4 10 Motor Speed Direction The function is not active in process closed loop 11 Start reversing Used for start stop and for reversing on the same wire Signals on start are not allowed at the same tim...

Страница 62: ...iPot Decrease DECREASE signal to the Digital Potenti ometer function described in parameter group 3 9 Digital Potmeter 57 DigiPot Clear Clears the Digital Potentiometer reference described in paramete...

Страница 63: ...ngs 7 Run on reference no warning The motor runs at reference speed 8 Run in range no warning The motor runs in speed range 9 Alarm An alarm activates the output There are no warnings 10 Alarm or warn...

Страница 64: ...e it will be low 65 Comparator 5 See parameter group 13 1 Comparators If Comparator 4 is evaluated as TRUE the output will go high Otherwise it will be low 70 Logic Rule 0 See parameter group 13 4 Log...

Страница 65: ...ss valve After the start command is given the bypass valve will be open until the frequency converter reaches 4 11 Motor Speed Low Limit RPM After the limit has been reached the bypass valve will be c...

Страница 66: ...n 100 Hz 0 110000 Hz Enter the high frequency limit corresponding to the high motor shaft speed i e high reference value in 5 53 Term 29 High Ref Feedb Value 5 52 Term 29 Low Ref Feedb Value Range Fun...

Страница 67: ...ed display output for terminal 27 45 Bus ctrl 48 Bus ctrl timeout 51 MCO controlled 100 Output frequency 101 Reference 102 Feedback 103 Motor current 5 60 Terminal 27 Pulse Output Variable Option Func...

Страница 68: ...Bit 21 Option C Relay 6 output terminal Bit 22 Option C Relay 7 output terminal Bit 23 Option C Relay 8 output terminal Bit 24 31 Reserved for future terminals Table 6 8 5 93 Pulse Out 27 Bus Control...

Страница 69: ...the present value 0 Off 1 Freeze output Frozen at the present value 2 Stop Overruled to stop 3 Jogging Overruled to jog speed 4 Max speed Overruled to max speed 5 Stop and trip Overruled to stop with...

Страница 70: ...erence 6 25 Terminal 54 High Ref Feedb Range Function 12 bar Value Enter the analog input scaling value that corresponds to the maximum reference feedback value set in 3 03 Maximum Reference 6 26 Term...

Страница 71: ...53 MCO 4 20mA 100 Output frequency 0 Hz 0 mA 100 Hz 20 mA 101 Reference 3 00 Reference Range Min Max 0 0 mA 100 20 mA 3 00 Reference Range Max Max 100 0 mA 0 10 mA 100 20 mA 102 Feedback 103 Motor cur...

Страница 72: ...0 00 200 00 Scale for the minimum output 0 or 4 mA of the analog signal at terminal 42 Set the value to be the percentage of the full range of the variable selected in 6 50 Terminal 42 Output 6 52 Te...

Страница 73: ...Time taken from the number of pulses per revolutions from encoder Encoder PPR 7 06 Speed PID Lowpass Filter Time 512 10 ms 1024 5 ms 2048 2 ms 4096 1 ms Table 6 9 NOTE Severe filtering can be detrimen...

Страница 74: ...et point and the feedback signal 7 34 Process PID Integral Time Range Function 9 00 s 0 01 10000 00 Enter the PID integral time The integrator provides an increasing gain at a constant error between t...

Страница 75: ...1 Resource 70 mbar 71 bar 72 Pa 73 kPa 74 m WG 170 171 psi lb in2 172 in WG 173 ft WG 7 62 Feedback 2 Conversion Option Function Selects the conversion to apply to the feedback signal measured on the...

Страница 76: ...see parameter group 7 7 Pressure to Temperature Conversion 6 8 4 7 8 Thermostat Pressostat Function The Thermostat Pressostat Function TPF can be used to stop and start the compressor when running in...

Страница 77: ...ow the value for Staging Bandwidth see 25 20 Staging Bandwidth 7 80 Thermostat Pressostat Function Option Function 0 Off Function is inactive 1 On Function is active 7 81 Cut out Value Range Function...

Страница 78: ...ut Function is then carried out A 8 03 Control Word Timeout Time Range Function valid control word triggers the time out counter 20 s 0 1 18000 0 s Enter the maximum time expected to pass between the...

Страница 79: ...itional guidelines in the selection of 1 PROFIdrive profile refer to the Operating Instructions for the installed fieldbus Option Function 0 FC profile 1 PROFIdrive profile 8 13 Configurable Status Wo...

Страница 80: ...1 10 Motor Construction is set to 1 PM non salient SPM 0 Digital input Activates Start command via a digital input 1 Bus Activates Start command via the serial communication port or fieldbus option 2...

Страница 81: ...ic 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 monitoring the Bu...

Страница 82: ...llustration shows an example with three event actions 130BA062 13 State 1 Event 1 Action 1 State 2 Event 2 Action 2 Start event P13 01 State 3 Event 3 Action 3 State 4 Event 4 Action 4 Stop event P13...

Страница 83: ...Comparator 1 Use the result of comparator 1 24 Comparator 2 Use the result of comparator 2 25 Comparator 3 Use the result of comparator 3 26 Logic rule 0 Use the result of logic rule 0 27 Logic rule...

Страница 84: ...Logic Controller timer 5 is timed out 73 SL Time out 6 Smart Logic Controller timer 6 is timed out 74 SL Time out 7 Smart Logic Controller timer 7 is timed out 75 Start command given 76 Digital input...

Страница 85: ...4 Motor current A 13 10 Comparator Operand Array 6 Option Function 5 Motor torque Nm 6 Motor power kW or hp 7 Motor voltage V 8 DC link voltage V 9 Motor thermal Expressed as a percentage 10 Drive th...

Страница 86: ...is logic 0 92 Brake fault IGBT The brake IGBT is short circuited 93 Mech brake control The mechanical brake is active 13 10 Comparator Operand Array 6 Option Function 94 Safe stop active 100 Comparato...

Страница 87: ...value in 13 12 Comparator Value 1 equal The result of the evaluation is TRUE when the variable selected in 13 10 Comparator Operand is approximately equal to the fixed value in 13 12 Comparator Value...

Страница 88: ...trip lock 22 Comparator 0 23 Comparator 1 13 15 RS FF Operand S Option Function 24 Comparator 2 25 Comparator 3 26 Logic rule 0 27 Logic rule 1 28 Logic rule 2 29 Logic rule 3 30 SL Time out 0 31 SL...

Страница 89: ...0 SL Time out 3 71 SL Time out 4 72 SL Time out 5 73 SL Time out 6 74 SL Time out 7 75 Start command given 76 Digital input x30 2 77 Digital input x30 3 78 Digital input x30 4 79 Digital input x46 1 8...

Страница 90: ...TRUE FALSE of the logic rule 13 40 Logic Rule Boolean 1 Array 6 Option Function 0 False Select the first boolean TRUE or FALSE input for the selected logic rule See 13 01 Start Event 0 61 and 13 02 St...

Страница 91: ...13 40 Logic Rule Boolean 1 and 13 42 Logic Rule Boolean 2 13 signifies the boolean input of parameter group 13 Smart Logic Control 13 41 Logic Rule Operator 1 Array 6 Option Function 0 DISABLED Ignor...

Страница 92: ...5 Digital input x46 13 90 ATEX ETR cur warning Selectable if 1 90 Motor Thermal Protection is set to 20 ATEX ETR or 21 Advanced ETR If the alarm 13 42 Logic Rule Boolean 2 Array 6 Option Function 164...

Страница 93: ...14 Below feedb low 15 Above feedb high 16 Thermal warning 17 Mains out of range 18 Reversing 19 Warning 13 44 Logic Rule Boolean 3 Array 6 Option Function 20 Alarm trip 21 Alarm trip lock 22 Comparato...

Страница 94: ...tion 1 True 2 Running 3 In range 4 On reference 5 Torque limit 6 Current limit 7 Out of current range 8 Below I low 9 Above I high 10 Out of speed range 11 Below speed low 13 51 SL Controller Event Ar...

Страница 95: ...the active set up 0 10 Active Set up to 2 If the set up is changed it will merge with other set up commands coming from either the digital inputs or via a fieldbus 4 Select set up 3 Changes the active...

Страница 96: ...3 20 SL Controller Timer for further description 32 Set digital out A low Any output with SL output A will be low 33 Set digital out B low Any output with SL output B will be low 34 Set digital out C...

Страница 97: ...SETs 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 start without warning Application Tip Since the def...

Страница 98: ...tor Option Function Select which reaction the frequency converter should take in case a fan fault is detected 0 Disabled 1 Warning 2 Trip 14 60 Function at Over Temperature Option Function If either h...

Страница 99: ...ning Trip Trip Lock Over Current 13 D X Motor phase missing 30 D X Motor phase missing 31 D X Motor phase missing 32 D X Table 6 11 Table for Selection of Choice of Action when Selected Alarm Appears...

Страница 100: ...535 View the number of frequency converter temperature faults which have occurred 15 05 Over Volt s Range Function 0 0 65535 View the number of frequency converter overvoltages which have occurred 15...

Страница 101: ...when the data read out values change The resolution of read out value on fieldbus is in 10 W steps 16 11 Power hp Range Function 0 00 hp 0 00 10000 00 hp View the motor power in HP The value shown is...

Страница 102: ...y more than 160 torque Consequently the min value and the max value will depend on the max motor current as well as the 16 25 Torque Nm High Range Function motor used This specific readout has been ad...

Страница 103: ...references plus catch up and slow down 16 51 Pulse Reference Range Function 0 0 200 0 200 0 View the reference value from programmed digital input s The read out can also reflect the impulses from an...

Страница 104: ...itch Setting Option Function View the setting of input terminal 54 Current 0 Voltage 1 0 Current 1 Voltage 2 Pt 1000 C 3 Pt 1000 F 4 Ni 1000 C 5 Ni 1000 F 16 64 Analog Input 54 Range Function 0 000 20...

Страница 105: ...mation refer to the relevant Fieldbus manual 16 82 Fieldbus REF 1 Range Function 0 200 200 View the two byte word sent with the control word form the Bus Master to set the reference value For more inf...

Страница 106: ...95 Returns the extended warning word sent via 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 co...

Страница 107: ...oup 25 2 Bandwidth Settings 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 NOTE The Cascade Controller...

Страница 108: ...Illustration 6 26 Parameter Descriptions Operating Instructions VLT CDS302 and CDS303 108 MG34M302 VLT is a registered Danfoss trademark Commercial Compressor 6 6...

Страница 109: ...cy converter and if a contactor is applied between frequency converter and compressor this contactor will not be controlled by the frequency converter 0 No The lead compressor function can alternate b...

Страница 110: ...omentary pressure changes Setting the OBW too high might lead to unacceptably high or low pressure in the system while the SBW timers are running The value can be optimized with increased familiarity...

Страница 111: ...to a value that allows the system to stabilize after staging The 10 second factory setting is appropriate in most applications In highly dynamic systems a shorter time may be desirable Setpoint SBW O...

Страница 112: ...nction fixed speed compressor to eliminate pressure surges in the system Only to be used if 1 Soft Starter is selected in 25 02 Motor Start Speed Time Fixed speed pump controlled by soft starter Lead...

Страница 113: ...ng Speed the fixed speed compressor is staged on Staging Speed calculation is based on 25 42 Staging Threshold and 4 14 Motor Speed High Limit Hz Staging Speed is calculated with the following formula...

Страница 114: ...lected the 25 52 Alternation Time Interval Range Function alternation of the variable speed compressor takes place every time the Alternation Time Interval expires can be checked out in 25 53 Alternat...

Страница 115: ...ompressor Refer to 25 56 Staging Mode at Alternation and Illustration 6 37 for description of staging and alternation 6 14 5 25 8 Status Readout parameters informing about the operating status of the...

Страница 116: ...the operating hours of each compressor The value of each Compressor ON Time counter can be reset to 0 by writing in the parameter e g if the compressor is replaced in case of service 25 85 Relay ON T...

Страница 117: ...speed compressor After the alternation has been carried out the Manual Alternation parameter is reset to 0 Off If the parameter is set to the number which equals the actual variable speed compressor t...

Страница 118: ...too low to ensure adequate oil return With Oil Return Management these two oil return mechanisms can be programmed into the Compressor Drive With Oil Return Management enabled the frequency converter...

Страница 119: ...mperature rises from below to above warning level and uses the current shaft speed as basis for the 10 Hz speed reduction The speed steps enforce maximum shaft speeds If the reference corresponds to a...

Страница 120: ...hen the motor is stopped The current level is defined in 28 31 Heating DC Current 0 Disabled 28 30 Crankcase Heating Control Option Function 1 Enabled 28 31 Heating DC Current Range Function 20 0 25 S...

Страница 121: ...Limit Off Speed 0 Low Motor Speed Low Limit Speed Motor Speed Low Limit 6 Med Motor Speed Low Limit 6 Speed Motor Speed Low Limit 2 High Motor Speed Low Limit 2 Speed Motor Speed Low Limit 5 6 Full M...

Страница 122: ...ble 6 16 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 used to tra...

Страница 123: ...out Unit 1 All set ups 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...

Страница 124: ...0 Disabled 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 TimeOf Day 0 83 Additional Non Working Days Expression...

Страница 125: ...ron Loss Resistance Rfe ExpressionLimit All set ups FALSE 3 Uint32 1 37 d axis Inductance Ld ExpressionLimit All set ups FALSE 6 Int32 1 39 Motor Poles ExpressionLimit All set ups FALSE 0 Uint8 1 40 B...

Страница 126: ...r Function at Stop RPM ExpressionLimit All set ups TRUE 67 Uint16 1 82 Min Speed for Function at Stop Hz ExpressionLimit All set ups TRUE 1 Uint16 1 86 Compressor Min Speed for Trip RPM ExpressionLimi...

Страница 127: ...nLimit 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 Ramp 2 3 51 Ram...

Страница 128: ...igh 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 4 54 Warning Reference...

Страница 129: ...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 All set ups TRUE 0 Uint32 5 51 Term 29 High Frequency 100 Hz All set ups TRUE 0 Uint32 5 52 Ter...

Страница 130: ...during operation Conver sion index Type 5 98 Pulse Out X30 6 Timeout Preset 0 1 set up TRUE 2 Uint16 Table 6 22 Parameter Descriptions Operating Instructions VLT CDS302 and CDS303 130 MG34M302 VLT is...

Страница 131: ...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 Int16 6 34 Term X30 11 Low Ref Feedb Value 0 N...

Страница 132: ...ring operation Conver sion index Type 6 64 Terminal X30 8 Output Timeout Preset 0 1 set up TRUE 2 Uint16 Table 6 23 Parameter Descriptions Operating Instructions VLT CDS302 and CDS303 132 MG34M302 VLT...

Страница 133: ...ll 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 Uint8 7 22 Process...

Страница 134: ...Limit 1 set up TRUE 5 Uint16 8 4 Adv Protocol Set 8 40 Telegram Selection 1 Standard telegram 1 2 set ups TRUE Uint8 8 45 BTM Transaction Command 0 Off All set ups FALSE Uint8 8 46 BTM Transaction Sta...

Страница 135: ...Code 0 N A All set ups TRUE 0 Int32 14 3 Current Limit Ctrl 14 30 Current Lim Ctrl Proportional Gain 100 All set ups FALSE 0 Uint16 14 31 Current Lim Ctrl Integration Time ExpressionLimit All set ups...

Страница 136: ...et ups FALSE 0 Uint32 15 33 Alarm Log Date and Time ExpressionLimit All set ups FALSE 0 TimeOfDay 15 34 Alarm Log Status 0 N A All set ups FALSE 0 Uint8 15 35 Alarm Log Alarm Text 0 N A All set ups FA...

Страница 137: ...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 VisStr 30 15 77 Slot C1 E1 Option SW Version 0 N A All set ups FALSE 0 VisStr 20 15 9 Parameter Info 15 92 Def...

Страница 138: ...ionLimit All set ups FALSE 2 Uint32 16 37 Inv Max Current ExpressionLimit All set ups FALSE 2 Uint32 16 38 SL Controller State 0 N A All set ups FALSE 0 Uint8 16 39 Control Card Temp 0 C All set ups F...

Страница 139: ...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 set ups FALSE 0 V2 16 86 FC Port REF 1 0 N A All set ups FALSE 0 N2 16 9 D...

Страница 140: ...led 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 Destaging Threshold E...

Страница 141: ...eFeedbackUnit All set ups TRUE 3 Int32 28 74 Night Speed Drop RPM ExpressionLimit All set ups TRUE 67 Uint16 28 75 Night Speed Drop Override 0 N A All set ups TRUE 3 Int32 28 76 Night Speed Drop Hz Ex...

Страница 142: ...set using the automatic reset function in 14 20 Reset Mode Warning automatic wake up is possible If a warning and alarm is marked against a code in Table 7 1 this means that either a warning occurs be...

Страница 143: ...hase Function 31 Motor phase V missing X X X 4 58 Missing Motor Phase Function 32 Motor phase W missing X X X 4 58 Missing Motor Phase Function 33 Inrush Fault X X 34 Fieldbus communication fault X X...

Страница 144: ...X 14 59 Actual Number of Inverter Units 78 Tracking Error X X 4 34 Tracking Error Function 79 Illegal PS config X X 80 Drive Initialized to Default Value X 81 CSIV corrupt X 82 CSIV parameter error X...

Страница 145: ...rd TO W17 Catch Up catch up command active e g via CTW bit 12 or DI 5 00000020 32 Over Current A13 reserved Over Current W13 reserved Feedback High feedback 4 57 6 00000040 64 Torque Limit A12 reserve...

Страница 146: ...31 80000000 2147483648 Mech brake low A63 Dangerous Failure A72 Extended Status Word Unused Table 7 3 Description of Alarm Word Warning Word and Extended Status Word The alarm words warning words and...

Страница 147: ...ncy converter has run with more than 100 overload for too long Troubleshooting Compare the output current shown on the LCP with the frequency converter rated current Compare the output current shown o...

Страница 148: ...ection 15 42 Voltage 15 43 Software Version 15 45 Actual Typecode String 15 49 SW ID Control Card 15 50 SW ID Power Card 15 60 Option Mounted 15 61 Option SW Version for each option slot ALARM 16 Shor...

Страница 149: ...The brake resistor is not connected or not working Check 2 15 Brake Check ALARM 29 Heatsink temp The maximum temperature of the heatsink has been exceeded The temperature fault will not reset until th...

Страница 150: ...NING 42 Overload of digital output on X30 6 or overload of digital output on X30 7 For X30 6 check the load connected to X30 6 or remove the short circuit connection Check 5 32 Term X30 6 Digi Out MCB...

Страница 151: ...brake low The actual motor current has not exceeded the release brake current within the Start delay time window WARNING ALARM 65 Control card over temperature The cutout temperature of the control c...

Страница 152: ...eset Reset the unit to clear the alarm ALARM 81 CSIV corrupt CSIV file has syntax errors ALARM 82 CSIV parameter error CSIV failed to init a parameter ALARM 83 Illegal option combination The mounted o...

Страница 153: ...s at rated max load W 4 624 737 740 845 874 1140 Weight enclosure IP21 IP55 IP66 kg 45 45 45 Efficiency4 0 96 0 97 0 97 Table 8 1 For fuse ratings see 3 4 1 Fuses 1 High overload 160 torque during 60...

Страница 154: ...st be allowed for 5 5 The three values for the max cable cross section are for single core flexible wire and flexible wire with sleeve respectively General Specifications Operating Instructions VLT CD...

Страница 155: ...47 Intermittent 60 s overload 3 x 441 500 V A 40 34 1 49 6 39 6 57 6 51 7 Additional specifications IP21 IP55 IP66 max cable cross section5 mains brake load sharing mm2 AWG 2 16 10 16 6 8 6 35 2 35 2...

Страница 156: ...nclosure IP21 IP55 IP66 B1 B2 B2 Enclosure IP20 B3 B4 B4 Output current Continuous 3 x 525 550 V A 23 28 28 36 36 43 Intermittent 3 x 525 550 V A 37 31 45 40 58 47 Continuous 3 x 525 600 V A 22 27 27...

Страница 157: ...s section to control terminals 0 25 mm2 See Mains Supply tables for more information Digital Inputs Voltage level 0 24 V DC Voltage level logic 0 PNP 5 V DC Voltage level logic 1 PNP 10 V DC Voltage l...

Страница 158: ...frequency outputs 12 bit 1 Terminal 27 and 29 can also be programmed as input The digital output is galvanically isolated from the supply voltage PELV and other high voltage terminals Analog Output Nu...

Страница 159: ...on 4 5 NO Inductive load cos 0 4 240 V AC 0 2 A Max terminal load DC 1 1 on 4 5 NO Resistive load 80 V DC 2 A Surroundings Enclosure enclosure type A IP20 IP55 Enclosure enclosure type A B IP21 IP55 E...

Страница 160: ...57 Output 59 97 Outputs 63 E Earth Leakage Current 6 7 27 ETR 102 F Feedback 150 Fixed Speed Bandwidth 25 22 110 Fuses 149 29 G Graphical Display 40 42 I Input Terminal 146 Intermediate Circuit 7 K KT...

Страница 161: ...Screened armoured 21 25 26 157 Sequence Of Operation 5 Short Circuit 148 Short circuit Protection 29 Staging Bandwidth 25 20 110 Speed 25 44 113 Threshold 25 42 112 Supply Voltage 149 Surroundings 15...

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