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Par. No. # Parameter description

Default value

4-set-up

Change

during

operation

Conver-

sion index

Type

16-61

Terminal 53 Switch Setting

[0] Current

All set-ups

FALSE

Uint8

16-62

Analog Input 53

0 N/A

All set-ups

FALSE

-3

Int32

16-63

Terminal 54 Switch Setting

[0] Current

All set-ups

FALSE

Uint8

16-64

Analog Input 54

0 N/A

All set-ups

FALSE

-3

Int32

16-65

Analog Output 42 [mA]

0 N/A

All set-ups

FALSE

-3

Int16

16-66

Digital Output [bin]

0 N/A

All set-ups

FALSE

Int16

16-67

Pulse Input #29 [Hz]

0 N/A

All set-ups

FALSE

Int32

16-68

Pulse Input #33 [Hz]

0 N/A

All set-ups

FALSE

Int32

16-69

Pulse Output #27 [Hz]

0 N/A

All set-ups

FALSE

Int32

16-70

Pulse Output #29 [Hz]

0 N/A

All set-ups

FALSE

Int32

16-71

Relay Output [bin]

0 N/A

All set-ups

FALSE

Int16

16-72

Counter A

0 N/A

All set-ups

TRUE

Int32

16-73

Counter B

0 N/A

All set-ups

TRUE

Int32

16-75

Analog In X30/11

0 N/A

All set-ups

FALSE

-3

Int32

16-76

Analog In X30/12

0 N/A

All set-ups

FALSE

-3

Int32

16-77

Analog Out X30/8 [mA]

0 N/A

All set-ups

FALSE

-3

Int16

16-8* Fieldbus & FC Port
16-80

Fieldbus CTW 1

0 N/A

All set-ups

FALSE

16-82

Fieldbus REF 1

0 N/A

All set-ups

FALSE

16-84

Comm. Option STW

0 N/A

All set-ups

FALSE

16-85

FC Port CTW 1

0 N/A

All set-ups

FALSE

16-86

FC Port REF 1

0 N/A

All set-ups

FALSE

16-9* Diagnosis Readouts
16-90

Alarm Word

0 N/A

All set-ups

FALSE

Uint32

16-91

Alarm Word 2

0 N/A

All set-ups

FALSE

Uint32

16-92

Warning Word

0 N/A

All set-ups

FALSE

Uint32

16-93

Warning Word 2

0 N/A

All set-ups

FALSE

Uint32

16-94

Ext. Status Word

0 N/A

All set-ups

FALSE

Uint32

16-95

Ext. Status Word 2

0 N/A

All set-ups

FALSE

Uint32

16-96

Maintenance Word

0 N/A

All set-ups

FALSE

Uint32

Table 4.15

4.1.15 18-** Info & Readouts

Par. No. # Parameter description

Default value

4-set-up

Change

during

operation

Conver-

sion index

Type

18-0* Maintenance Log
18-00

Maintenance Log: Item

0 N/A

All set-ups

FALSE

Uint8

18-01

Maintenance Log: Action

0 N/A

All set-ups

FALSE

Uint8

18-02

Maintenance Log: Time

0 s

All set-ups

FALSE

Uint32

18-03

Maintenance Log: Date and Time

ExpressionLimit

All set-ups

FALSE

TimeOfDay

18-1* Fire Mode Log
18-10

FireMode Log:Event

0 N/A

All set-ups

FALSE

Uint8

18-11

Fire Mode Log: Time

0 s

All set-ups

FALSE

Uint32

18-12

Fire Mode Log: Date and Time

ExpressionLimit

All set-ups

FALSE

TimeOfDay

18-3* Inputs & Outputs
18-30

Analog Input X42/1

0 N/A

All set-ups

FALSE

-3

Int32

18-31

Analog Input X42/3

0 N/A

All set-ups

FALSE

-3

Int32

18-32

Analog Input X42/5

0 N/A

All set-ups

FALSE

-3

Int32

Parameter Lists

VLT

Refrigeration Drive Programming Guide

180

MG16H102 - VLT

is a registered Danfoss trademark

Содержание VLT FC 103

Страница 1: ...MAKING MODERN LIVING POSSIBLE Programming Guide VLT Refrigeration Drive...

Страница 2: ...Limits Warnings Group 4 55 3 7 Main Menu Digital In Out Group 5 59 3 8 Main Menu Analog In Out Group 6 72 3 9 Main Menu Communications and Options Group 8 78 3 10 Main Menu Smart Logic Group 13 84 3...

Страница 3: ...15 FC Information 177 4 1 14 16 Data Readouts 179 4 1 15 18 Info Readouts 180 4 1 16 20 FC Closed Loop 181 4 1 17 21 Ext Closed Loop 182 4 1 18 22 Application Functions 183 4 1 19 23 Time Based Funtio...

Страница 4: ...performance Indicates default setting Table 1 2 1 1 3 Abbreviations Alternating current AC American wire gauge AWG Ampere AMP A Automatic Motor Adaptation AMA Current limit ILIM Degrees Celsius C Dire...

Страница 5: ...t actual IM N Rated motor current nameplate data nM N Rated motor speed nameplate data ns Synchronous motor speed ns 2 par 1 23 60 s par 1 39 nslip Motor slip PM N Rated motor power nameplate data in...

Страница 6: ...motor temperature Hiperface Hiperface is a registered trademark by Stegmann Initialising If initialising is carried out 14 22 Operation Mode the frequency converter returns to the default setting Inte...

Страница 7: ...tching Pattern Power Factor The power factor is the relation between I1 and IRMS Power factor 3 x U x I1 cos 3 x U x IRMS The power factor for 3 phase control I1 x cos 1 IRMS I1 IRMS since cos 1 1 The...

Страница 8: ...RNING High Voltage Touching the electrical parts may be fatal even after the equipment has been disconnected from mains Also make sure that other voltage inputs have been disconnected such as external...

Страница 9: ...pen Brake resistor NPN Sink PNP Source Illustration 1 2 Diagram showing all electrical terminals without options Terminal 37 is the input to be used for Safe Stop For instructions on Safe Stop install...

Страница 10: ...creened Armoured Control Cables for the correct termination of control cables 130BA681 10 Illustration 1 5 1 1 6 Start Stop Terminal 18 5 10 Terminal 18 Digital Input 8 Start Terminal 27 5 12 Terminal...

Страница 11: ...Terminal 29 Digital Input Speed up 21 Terminal 32 5 14 Terminal 32 Digital Input Speed down 22 NOTE Terminal 29 only in FC x02 x series type 12 18 27 29 32 37 24V Par 5 10 Par 5 12 Par 5 13 Par 5 14 1...

Страница 12: ...user By pressing the Status key up to one extra line can be added c Status line Status messages displaying text Auto on Reset Hand on Off Status Quick Menu Main Menu Alarm Log B a c k C a n c e l Inf...

Страница 13: ...small size 2 and 3 are shown in medium size 1 1 2 3 1 3 1 2 130BP041 10 799 RPM Auto Remote Ramping 1 1 36 4 kw 7 83 A 0 000 53 2 Status Illustration 2 2 Status display II See the operating variables...

Страница 14: ...zone and multi zone applications and specific functions related to Fans Pumps and Compressors The Quick Menu parameters can be accessed immediately unless a password has been created via 0 60 Main Men...

Страница 15: ...or Cancel Info Illustration 2 10 Navigation Keys The four navigation arrows are used to navigate between the different choices available in Quick Menu Main Menu and Alarm Log Use the keys to move the...

Страница 16: ...1 or Disabled 0 via 0 42 Auto on Key on LCP NOTE An active HAND OFF AUTO signal via the digital inputs has higher priority than the control keys Hand On Auto On Reset is used for resetting the freque...

Страница 17: ...within parameters OK is used for choosing a parameter marked by the cursor and for enabling the change of a parameter 130BP079 10 Menu Status Quick Setup Main Menu P 2 03 Setup 1 Illustration 2 16 Ope...

Страница 18: ...uency converter 1 Go to 0 50 LCP Copy 2 Press the OK key 3 Select All from LCP 4 Press the OK key The parameter settings stored in the LCP are now transferred to the frequency converter indicated by t...

Страница 19: ...d 0 24 Display Line 3 Large can be viewed It is possible to store up to 120 samples in the memory for later reference Efficient Parameter Set up for VLT Refrigeration Drive Applications The parameters...

Страница 20: ...Hz 1 24 Motor Current A 1 25 Motor Nominal Speed RPM 1 39 Motor Poles 4 12 Motor Speed Low Limit Hz 4 14 Motor Speed High Limit Hz 3 02 Minimum Reference 3 03 Maximum Reference 3 41 Ramp 1 Ramp up Ti...

Страница 21: ...22 Step 3 Press to scroll down to Function Setups Press OK Q3 130BT113 10 Q3 1 General Settings Q3 2 Open Loop Settings Q3 3 Closed Loop Settings Q3 4 Application Settings 28 4 2 05A 1 1 Function Set...

Страница 22: ...20 Term 54 low voltage 6 21 Term 54 high voltage 6 22 Terminal 54 Low Current only visible if switch set to I 6 23 Terminal 54 High Current only visible if switch set to I 6 24 Terminal 54 Low ref Fe...

Страница 23: ...Group no Parameter group 0 Operation Display 1 Load Motor 2 Brakes 3 References Ramps 4 Limits Warnings 5 Digital In Out 6 Analog In Out 8 Comm and Options 11 LonWorks 13 Smart Logic 14 Special Funct...

Страница 24: ...gation keys to scroll through the value log Use 3 10 Preset Reference as another example Choose the parameter press OK and use the up down navigation keys keys to scroll through the indexed values To...

Страница 25: ...ttings This procedure initialises all except 15 00 Operating hours 15 03 Power Up s 15 04 Over Temp s 15 05 Over Volt s Table 2 7 NOTE When you carry out manual initialisation you also reset serial co...

Страница 26: ...to be used in the display The frequency converter can be delivered with 2 different language packages English and German are included in both packages English cannot be erased or manipulated 0 Englis...

Страница 27: ...y converter was powered down 1 Forced stop ref old Uses 1 Forced stop ref old to stop the frequency converter but at the same time retain in memory the local speed reference prior to power down After...

Страница 28: ...ful as a data source to return the other set ups to a known state 1 Set up 1 1 Set up 1 to 4 Set up 4 can be edited freely during operation independently of the active set up 0 11 Programming Set up O...

Страница 29: ...er is displayed in hex as it is in the LCP each number represents one channel Numbers 1 4 represent a set up number F means factory setting and A means active set up The channels are from right to lef...

Страница 30: ...If not used actual speed will be the value 0 20 Display Line 1 1 Small Option Function read in the display minus motor slip 1618 Motor Thermal Thermal load on the motor calculated by the ETR function...

Страница 31: ...xtended fieldbus communication option status word 0 20 Display Line 1 1 Small Option Function 1685 FC Port CTW 1 Control word CTW received from the Bus Master 1686 FC Port REF 1 Status word STW sent t...

Страница 32: ...listed for 0 20 Display Line 1 1 Small 0 24 Display Line 3 Large Option Function Application Dependent Select a variable for display in line 3 The options are the same as listed for 0 20 Display Line...

Страница 33: ...120 GPM 121 gal s 0 30 Custom Readout Unit Option Function 122 gal min 123 gal h 124 CFM 125 ft s 126 ft min 127 ft h 130 lb s 131 lb min 132 lb h 140 ft s 141 ft min 145 ft 160 F 170 psi 171 lb in 17...

Страница 34: ...racter Press and to move the cursor When a character is highlighted by the cursor this character can be changed A character can be inserted by placing the cursor between two characters and pressing or...

Страница 35: ...Access to Main Menu w o Password Option Function 0 Full access Disables password defined in 0 60 Main Menu Password 1 LCP Read only Prevent unauthorized editing of Main Menu parameters 2 LCP No access...

Страница 36: ...mat 0 77 DST Summertime End Range Function Size related 0 0 Sets the date and time when summertime DST ends The date is programmed in the format selected in 0 71 Date Format 0 79 Clock Fault Option Fu...

Страница 37: ...uation thereby reducing energy consumption and audible noise from the motor To obtain optimal 1 03 Torque Characteristics Option Function performance the motor power factor cos phi must be set correct...

Страница 38: ...e system Size related 0 001 1 000 s 3 3 4 1 2 Motor Data Parameter group 1 2 comprises input data from the nameplate on the connected motor NOTE Changing the value of these parameters affects the sett...

Страница 39: ...bled Motor Rotation Check is enabled NOTE Once the motor rotation check is enabled the display shows Note Motor may run in wrong direction Pressing OK Back or Cancel will dismiss the message and displ...

Страница 40: ...of inertia of the rotor and the iron loss resistance 1 36 Iron Loss Resistance Rfe 130BA375 11 RS P 1 30 R1s Xh P1 35 R1 X2 X1 U1 I1 Illustration 3 4 Motor Equivalent Diagram for an Asynchronous Motor...

Страница 41: ...ically described in technical specifications as between Line Line PM motors are typically built for star connection 1 30 Stator Resistance Rs Line to common This parameter gives stator winding resista...

Страница 42: ...minal back EMF for the motor when running at 1000 RPM This parameter is only active when 1 10 Motor Construction is set to PM motor 1 Permanent Magnet Motor 3 3 6 1 5 Load Indep Setting 1 50 Motor Mag...

Страница 43: ...parameters 1 59 Flystart Test Pulses Frequency Range Function Size related 0 0 The parameter is active when 1 73 Flying Start is enabled The value range and function depends on parameter 1 10 Motor Co...

Страница 44: ...ance Dampening NOTE 1 64 Resonance Dampening will not have effect when 1 10 Motor Construction 1 PM non salient SPM 1 65 Resonance Dampening Time Constant Range Function 5 ms 5 50 ms Set 1 64 Resonanc...

Страница 45: ...eed RPM 3 Start speed current clockwise and 5 VVCplus Flux clockwise are typically used in 1 72 Start Function Option Function hoisting applications 4 Start speed current in reference direction is icu...

Страница 46: ...er the minimum speed for the application The time without protection 1 77 Compressor Start Max Speed RPM Range Function from the Current Limit and Torque Limit must not exceed the value set in 1 79 Co...

Страница 47: ...77 Compressor Start Max Speed RPM then a protection functionality is also enabled to prevent the application from running below minimum motor speed e g when in current limit If the speed at any time...

Страница 48: ...tics must fit the application see description of 1 03 Torque Characteristics 1 91 Motor External Fan Option Function 0 None No external fan is required i e the motor is derated at low speed 1 93 Therm...

Страница 49: ...e DC braking current set in 2 01 DC Brake Current once activated 2 03 DC Brake Cut In Speed RPM Range Function Size related 0 0 RPM Set the DC brake cut in speed for activation of the DC braking curre...

Страница 50: ...t when 1 10 Motor Construction 1 PM non salient SPM 2 17 Over voltage Control Option Function 0 Disabled No OVC required 2 Enabled Activates OVC NOTE 2 17 Over voltage Control will not have effect whe...

Страница 51: ...s Select the preset reference s Select Preset ref bit 0 1 2 16 17 or 18 for the corresponding digital inputs in parameter group 5 1 3 10 Preset Reference Array 8 Range Function 0 100 100 Enter up to e...

Страница 52: ...eference 3 Source define up to three different reference signals The sum of these reference signals defines the actual reference 3 15 Reference 1 Source Option Function 0 No function 1 Analog Input 53...

Страница 53: ...er ramping times for each of the two ramps parameter group 3 4 and parameter group 3 5 tacc tdec 130BA169 11 P 3 2 Ramp X Down Time Dec P 4 13 High limit RPM Reference P 1 25 Motor speed P 4 11 Low li...

Страница 54: ...that the resultant output current required for the 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 control...

Страница 55: ...95 Ramp Delay the actual reference will be ramped up down according to this ramp time The ramp time is defined as the time used to adjust the reference by the step size specified in 3 90 Step Size 3 9...

Страница 56: ...frequency of the motor shaft The Speed Low Limit must not exceed the setting in 4 14 Motor Speed High Limit Hz 4 13 Motor Speed High Limit RPM Range Function Size related par 4 11 60000 RPM Enter the...

Страница 57: ...Output Frequency Range Function Size related 1 1000 0 Hz Enter the maximum output frequency value 4 19 Max Output Frequency specifies the absolute limit on the frequency converter output frequency for...

Страница 58: ...99999 par 4 54 999999 999 Enter the upper reference limit When the actual reference exceeds this limit the display reads RefHigh The signal outputs can be programmed to produce a status signal on term...

Страница 59: ...oblems in the system Enter the upper limits of the speeds to be avoided 4 63 Bypass Speed To Hz Array 4 Range Function Size related 0 par 4 14 Hz Some systems call for avoiding certain output speeds d...

Страница 60: ...0 Input Defines terminal 29 as a digital input 1 Output Defines terminal 29 as a digital output NOTE This parameter cannot be changed while the motor is running 3 7 2 5 1 Digital Inputs Parameters fo...

Страница 61: ...rent from 0 Logic 0 DC braking 6 Stop inverse Stop Inverted function Generates a stop function when the selected terminal goes from logical level 1 to 0 The stop is performed according to the selected...

Страница 62: ...ncy converter via a terminal programmed for 2 Coast inverse or 3 Coast and reset inv 21 Speed up For digital control of the up down speed is desired motor potentiometer Activate this function by selec...

Страница 63: ...Compressor Alternation 25 50 must be set to either 2 At Command or 3 At Staging or At Command 25 51 Alternation Event can be set to any of the four options 130 132 Compressor 1 Interlock Compressor 3...

Страница 64: ...put or fieldbus 3 Safe Stop Warning Coasts frequency converter when safe stop is activated T 37 off When safe stop circuit is reestablished the frequency 5 19 Terminal 37 Safe Stop Option Function con...

Страница 65: ...ve communication no time out via the serial communication port 27 Torque limit and stop Use in performing a coasting stop and in torque limit condition If the frequency converter has received a stop s...

Страница 66: ...put is high when 3 13 Reference Site 1 Remote or 0 Linked to Hand Auto while the LCP is in Auto On mode 167 Start command active The output is high when there is an active Start command i e via digita...

Страница 67: ...lled by relay RELAY1 etc If set to 1 Yes Compressor 1 refers to the compressor controlled by the frequency converter only without any of the build in relays involved and Compressor 2 to the compressor...

Страница 68: ...omparator 1 62 Comparator 2 63 Comparator 3 64 Comparator 4 65 Comparator 5 70 Logic rule 0 71 Logic rule 1 72 Logic rule 2 5 40 Function Relay Select options to define the function of the relays The...

Страница 69: ...t 5 02 Terminal 29 Mode to 0 Input 130BA076 10 RPM Ref Low freq P 5 50 P 5 55 Input Hz High ref value P 5 53 p 5 58 High freq P 5 51 P 5 56 Low ref value P 5 52 p 5 57 Illustration 3 24 5 50 Term 29 L...

Страница 70: ...e low pass filter reduces the influence on and dampens oscillations on the feedback signal from the control This is an advantage e g if there is a great amount on noise in the system NOTE This paramet...

Страница 71: ...Variable This parameter is active when option module MCB 101 is mounted in the frequency converter Range Function 5000 Hz 0 32000 Hz 3 7 7 5 9 Bus Controlled This parameter group selects digital and...

Страница 72: ...tains the frequency to apply to the digital output terminal 29 when it is configured as Bus Controlled Timeout and timeout is detected 5 97 Pulse Out X30 6 Bus Control Range Function 0 0 100 Contains...

Страница 73: ...value in 6 10 Terminal 53 Low Voltage 6 12 Terminal 53 Low Current 6 20 Terminal 54 Low Voltage or 6 22 Terminal 54 Low Current for a time period defined in 6 00 Live Zero Timeout Time If several tim...

Страница 74: ...6 13 Terminal 53 High Current 6 16 Terminal 53 Filter Time Constant Range Function 0 001 s 0 001 10 s Enter the time constant This is a first order digital low pass filter time constant for suppressin...

Страница 75: ...analog input 3 X30 11 placed on option module MCB 101 6 30 Terminal X30 11 Low Voltage Range Function 0 07 V 0 par 6 31 V Sets the analog input scaling value to correspond to the low reference feedba...

Страница 76: ...t 1 i e Terminal 42 Analog outputs are current outputs 0 4 20 mA Common terminal terminal 39 is the same terminal and has the same electrical potential for analog common and digital common connection...

Страница 77: ...3 27 It is possible to get a value lower than 20mA at full scale by programming values 100 by using a formula as follows 20 mA desired maximum current 100 i e 10mA 20 mA 10 mA 100 200 EXAMPLE 1 Variab...

Страница 78: ...corresponding setting in 6 62 Terminal X30 8 Max Scale if value is below 100 This parameter is active when option module MCB 101 is mounted in the frequency converter 6 62 Terminal X30 8 Max Scale Ran...

Страница 79: ...ange Function Size related 1 18000 s Enter the maximum time expected to pass between the reception of two consecutive telegrams If this time is exceeded it indicates that the serial communication has...

Страница 80: ...cates that the terminal is low 1 indicates that the terminal is high 11 T19 DI status The bit indicates the status of terminal 19 0 indicates that the terminal is low 1 indicates that the terminal is...

Страница 81: ...digital out E high is executed The input goes low whenever the Smart Logic Action 36 Set digital out E low is executed 85 SL Digital Output F See 13 52 SL Controller Action The input goes high wheneve...

Страница 82: ...fy the maximum permissible time interval between receipt of two bytes This parameter activates time out if transmission is interrupted 3 9 5 8 4 Telegram Selection 8 40 Telegram Selection Option Funct...

Страница 83: ...ctivates Reverse command via a digital input 8 54 Reversing Select Option Function 1 Bus Activates Reverse command via the serial communication port or fieldbus option 2 Logic AND Activates Reverse co...

Страница 84: ...Function 0 0 0 This parameter shows the number of messages suppressed due to time out 3 9 8 8 9 Bus Jog 8 90 Bus Jog 1 Speed Range Function 100 RPM 0 par 4 13 RPM Enter the jog speed Activate this fix...

Страница 85: ...he SLC stops when the Stop Event 13 02 Stop Event is TRUE 13 03 Reset SLC resets all SLC parameters and starts programming from scratch 3 10 2 13 0 SLC Settings Use the SLC settings to activate deacti...

Страница 86: ...tripped but not trip locked and an Automatic Reset is issued 43 OK Key This event is TRUE if OK is pressed 44 Reset Key This event is TRUE if Reset is pressed 13 01 Start Event Option Function 45 Left...

Страница 87: ...the logic rule High TRUE 13 02 Stop Event Option Function 37 Digital input DI32 Use the value of DI32 in the logic rule High TRUE 38 Digital input DI33 Use the value of DI33 in the logic rule High TRU...

Страница 88: ...parator Value Array 6 Range Function Size related 100000 100000 Enter the trigger level for the variable that is monitored by this comtor This is an array parameter containing comtor values 0 to 5 3 1...

Страница 89: ...arameter group 5 3 for further description 13 40 Logic Rule Boolean 1 Array 6 Option Function 15 Above feedb high See parameter group 5 3 for further description 16 Thermal warning See parameter group...

Страница 90: ...he result of logic rule 5 in the logic rule 70 SL Time out 3 Use the result of timer 3 in the logic rule 71 SL Time out 4 Use the result of timer 4 in the logic rule 72 SL Time out 5 Use the result of...

Страница 91: ...Time out 4 72 SL Time out 5 73 SL Time out 6 74 SL Time out 7 80 No Flow 81 Dry Pump 82 End of Curve 83 Broken Belt 13 43 Logic Rule Operator 2 Array 6 Option Function Select the second logical opera...

Страница 92: ...e out 3 71 SL Time out 4 72 SL Time out 5 73 SL Time out 6 13 44 Logic Rule Boolean 3 Array 6 Option Function 74 SL Time out 7 80 No Flow 81 Dry Pump 82 End of Curve 83 Broken Belt 3 10 6 13 5 States...

Страница 93: ...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 Comparator 5 60 Logic rule 4 61 Logic rule 5 70 SL Time out 3 71 SL Time out 4 72...

Страница 94: ...at nominal speed rising to approximately 12 at double nominal speed 14 04 PWM Random Option Function 0 Off No change of the acoustic motor switching noise 1 On Transforms the acoustic motor switching...

Страница 95: ...nter the time interval from trip to start of the automatic reset function This parameter is active when 14 20 Reset Mode is set to 1 13 Automatic reset 14 22 Operation Mode Option Function Use this pa...

Страница 96: ...igher than the torque limits set in 4 16 Torque Limit Motor Mode and 4 17 Torque Limit Generator Mode When the current limit is reached during motor operation or regenerative operation the frequency c...

Страница 97: ...salient SPM 3 11 6 14 5 Environment These parameters help the frequency converter to operate under special environmental conditions 14 50 RFI Filter This parameter is only available for It is not rele...

Страница 98: ...tinuously for 60 s If still overloaded the frequency converter will normally trip causing the pump to stop by coasting and provide an alarm 110 130BA260 10 105 100 95 60s 100 90 7 98 Current of rated...

Страница 99: ...in of rated output current for the frequency converter when running with reduced pump speed after load on the frequency converter has exceeded the allowable limit 110 for 60 s Parameter Description VL...

Страница 100: ...reset the kWh counter to zero see 15 02 kWh Counter NOTE The reset is carried out by pressing OK 15 07 Reset Running Hours Counter Option Function 0 Do not reset Select 0 Do not reset if no reset of t...

Страница 101: ...25 Comparator 3 26 Logic rule 0 27 Logic rule 1 28 Logic rule 2 29 Logic rule 3 33 Digital input DI18 34 Digital input DI19 35 Digital input DI27 36 Digital input DI29 37 Digital input DI32 38 Digital...

Страница 102: ...16 94 Ext Status Word for description Table 3 16 15 22 Historic Log Time Array 50 Range Function 0 ms 0 2147483647 ms View the time at which the logged event occurred Time is measured in ms since freq...

Страница 103: ...0 0 0 View the 8 digit ordering number used for re ordering the frequency converter in its original configuration 15 47 Power Card Ordering No Range Function 0 0 0 View the power card ordering number...

Страница 104: ...tion 15 75 Slot C0 E0 Option SW Version Range Function 0 0 0 View the software version for the option installed in slot C 15 76 Option in Slot C1 E1 Range Function 0 0 0 Shows the typecode string for...

Страница 105: ...wn is calculated on the basis of the actual motor voltage and motor current The value is 16 10 Power kW Range Function filtered and therefore approx 30 ms may pass from when an input value changes to...

Страница 106: ...tor stated as an instantaneous value 16 33 Brake Energy 2 min Range Function 0 kW 0 500 kW View the brake power transmitted to an external brake resistor The mean power is calculated on an average bas...

Страница 107: ...ssCtrlUnit View value of Feedback 2 see parameter group 20 0 Feedback The value is limited by settings in 20 13 Minimum Reference Feedb and 20 14 Maximum Reference Feedb Units as set in 20 12 Referenc...

Страница 108: ...ction 0 0 40000 View the actual value of pulses to terminal 29 in digital output mode 16 71 Relay Output bin Range Function 0 0 31 View the settings of all relays Illustration 3 40 16 72 Counter A Ran...

Страница 109: ...he serial communication port in hex code 16 91 Alarm Word 2 Range Function 0 0 4294967295 View the alarm word 2 sent via the serial communication port in hex code 16 92 Warning Word Range Function 0 0...

Страница 110: ...e Preventive Maintenance Word shows 040Ahex Position 1 2 3 4 hex value 0 4 0 A Table 3 24 The first digit 0 indicates that no items from the fourth row requires maintenance The second digit 4 refers t...

Страница 111: ...programmed in 0 70 Set Date and Time 18 03 Maintenance Log Date and Time Array 10 Range Function Date format depends on the setting in 0 71 Date Format while the time format depends on the setting in...

Страница 112: ...Analog I O Card The units of the value shown in the LCP will correspond to the mode selected in 26 01 Terminal X42 3 Mode 18 32 Analog Input X42 5 Range Function 0 20 20 Read out of the value of the...

Страница 113: ...back Feedback Function P 20 20 Multi setpoint min Multi setpoint max Feedback 1 only Feedback 2 only Feedback 3 only Sum 1 2 3 Difference 1 2 Average 1 2 3 Minimum 1 2 3 Maximum 1 2 3 Setpoint to Refe...

Страница 114: ...s used only for display and monitoring purposes Option Function 70 mbar 71 bar 72 Pa 73 kPa 74 m WG 170 psi 171 lb in2 172 in WG 173 ft WG NOTE This parameter is only available when using Pressure to...

Страница 115: ...k 3 as the feedback 20 20 Feedback Function Option Function NOTE Any unused feedbacks must be set to No Function in 20 00 Feedback 1 Source 20 03 Feedback 2 Source or 20 06 Feedback 3 Source The sum o...

Страница 116: ...f the frequency converter This feedback can also be shown on the frequency converter s display be used to control a frequency converter s analog output and be transmitted over various serial communica...

Страница 117: ...parameter to enter the value of coefficient A3 when 20 30 Refrigerant is set to User defined 7 20 35 Fan 1 Area in2 Range Function Used for setting the area of the air ducts in connection with feedba...

Страница 118: ...ble to run the motor at maximum or minimum speed when manually adjusting the motor speed due to the need of giving the motor a step in the speed during auto tuning PID auto tuning functions by introdu...

Страница 119: ...is aborted and an error message appears in the LCP 20 74 Maximum Feedback Level Range Function 999999 ProcessCtrlUnit par 20 73 999999 999 ProcessCtrlUnit The maximum allowable feedback level should...

Страница 120: ...s Status Word will be high 1 The On Reference Bandwidth is calculated as a percentage of the setpoint reference 3 15 7 20 9 PID Controller This group provides the ability to manually adjust this PID C...

Страница 121: ...t of the PID Controller to reduce the rate of change of the feedback Quick PID Controller response is obtained when this value is large However if too large of a value is used the frequency converter...

Страница 122: ...autotuning mode The LCP then directs the user with on screen instructions PID autotuning functions by introducing step changes and then monitoring the feedback From the feedback response the required...

Страница 123: ...ld be entered here in User units as defined in 21 10 Ext 1 Ref Feedback Unit for EXT CL 1 21 30 Ext 2 Ref Feedback Unit for EXT CL 2 or 21 50 Ext 3 Ref Feedback Unit for EXT CL 3 If the level rises ab...

Страница 124: ...equency converter should be treated as the source of the reference signal for the Closed Loop 1 Controller Analog input X30 11 and Analog input X30 12 refer to inputs on the General Purpose I O 0 No f...

Страница 125: ...d for 20 14 Maximum Reference Feedb before setting the values for the PID controller in parameter group 20 9 21 22 Ext 1 Integral Time Range Function 10000 s 0 01 10000 s Over time the integrator accu...

Страница 126: ...53 2 Analog Input 54 7 Pulse input 29 8 Pulse input 33 20 Digital pot meter 21 Analog input X30 11 22 Analog input X30 12 23 Analog Input X42 1 24 Analog Input X42 3 25 Analog Input X42 5 30 Ext Clos...

Страница 127: ...details 3 16 7 21 5 Closed Loop 3 Ref Fb 21 50 Ext 3 Ref Feedback Unit Option Function See 21 10 Ext 1 Ref Feedback Unit for details 0 1 5 PPM 10 1 min 11 RPM 12 Pulse s 20 l s 21 l min 22 l h 23 m s...

Страница 128: ...etails 21 57 Ext 3 Reference Unit Range Function 0 ExtPID3Unit 999999 999 999999 999 ExtPID3Unit See 21 17 Ext 1 Reference Unit for details 21 58 Ext 3 Feedback Unit Range Function 0 ExtPID3Unit 99999...

Страница 129: ...25 26 P 22 23 Illustration 3 43 The VLT Refrigeration Drive FC 103 includes functions for detecting if the load conditions in the system allow the motor to be stopped Low Power Detection Low Speed Det...

Страница 130: ...um speed e g systems with fans and compressors CAUTION In pump systems ensure that the minimum speed in 4 11 Motor Speed Low Limit RPM or 4 12 Motor Speed Low Limit Hz has been set high enough for det...

Страница 131: ...set Mode to 13 Infinite auto reset when 22 23 No Flow Function is set to 3 Alarm Doing so will cause the frequency converter to continuously cycle between running and stopping when a No Flow condition...

Страница 132: ...ower Range Function 0 kW 0 1000 kW Read out of calculated No Flow power at actual speed If power drops to the display value the frequency converter will consider the condition as a No Flow situation 2...

Страница 133: ...hen load has been applied to the system again Sleep Mode can be activated either from the No Flow Detection Minimum Speed Detection must be programmed via parameters for No Flow Detection see Illustra...

Страница 134: ...n not be based on feedback from the pressure temperature transducer as the setpoint is not known In the example with a boost system desired pressure Pset is not known Par 1 00 Configuration mode must...

Страница 135: ...en Loop and speed reference is applied by an external controller controlling the pressure Set the reference speed at which the Sleep Mode should be cancelled 22 44 Wake up Ref FB Difference Range Func...

Страница 136: ...m Doing so will cause the frequency converter to continuously cycle between running and stopping when a End of Curve condition is detected NOTE If the frequency converter is equipped with a constant s...

Страница 137: ...ort Cycle Protection Option Function 0 Disabled Timer set in22 76 Interval between Starts is disabled 1 Enabled Timer set in 22 76 Interval between Starts is enabled 22 76 Interval Between Starts Rang...

Страница 138: ...84 Speed at No Flow Hz 22 85 Speed at Design Point RPM 22 86 Speed at Design Point Hz 22 87 Pressure at No Flow Speed 22 88 Pressure at Rated Speed 22 89 Flow at Design Point 22 90 Flow at Rated Speed...

Страница 139: ...he pump curve along with HMIN as described above allows the frequency converter to calculate the reference point B and thus to plot the control curve which will also include the System design Working...

Страница 140: ...Only visible when 22 82 Work Point Calculation is set to Disable The speed of the motor at which the System Design Working Point is achieved should be entered here in Hz Alternatively the speed in RP...

Страница 141: ...e will be change to Timed Actions Disabled The Timed Actions have a higher priority than the same actions commands activated by the digital inputs or the Smart Logic Controller The actions programmed...

Страница 142: ...on Select the action during OFF Time See 13 52 SL Controller Action for descriptions of the options Option Function Array 10 0 DISABLED 1 No action 2 Select setup 1 3 Select setup 2 4 Select setup 3 5...

Страница 143: ...re immediately set to the actual time programming of ON and OFF actions To see an example of a reactivation test see Illustration 3 55 Timed Action ON RUN OFF STOP Power Cycle P23 09 Disabled Power Cy...

Страница 144: ...cate Lubricates Lubricate 2311 4 Maintenance Action Lubricate Lubricate Lubricates Lubricate 2311 5 Maintenance Action Lubricate Lubricate Lubricates Lubricate 2311 6 Maintenance Action Lubricate Lubr...

Страница 145: ...3 15 Reset Maintenance Word Example 23 13 Maintenance Time Interval Array 20 Range Function A Preventive Maintenance Event is set up Monday at 8 00 23 12 Maintenance Time Base is 2 Operating hours and...

Страница 146: ...electing time frame and a split on hours days or weeks The period split resolution can be set in 23 50 Energy Log Resolution The data are based on the value registered by the kWh counter in the freque...

Страница 147: ...iod Start Range Function Size related 0 0 Set the date and time at which the Energy Log starts update of the counters First data will be stored in counter 00 and start at the time date programmed in t...

Страница 148: ...tions will be included in 90 100 MAX counter Relative value operating variable Counter 1 1 Counter 0 5 Counter 2 0 Counter 3 1 Counter 4 0 Counter 5 11 Counter 6 1 Counter 7 2 Counter 8 6 Counter 9 0...

Страница 149: ...setting in 0 72 Time Format NOTE The frequency converter has no back up of the clock function and the set date time will reset to default 2000 01 01 00 00 after a power down unless a Real Time Clock...

Страница 150: ...Savings t 0 t Rated Motor Power Power Reference Factor Actual Power Consumption Energy Cost Investment Cost Break even payback occurs when the value read in the parameter turns from negative to posit...

Страница 151: ...ters in Zone Settings 25 2 Staging Functions 25 3 and Staging settings 25 4 will often be dependent on the dynamic of the system and final adjustment to be done at the commissioning of the plant In mo...

Страница 152: ...three compressors can be controlled If both the variable speed and fixed speed compressors are to be controlled by built in relays only two compressors can be connected Range Function 2 2 9 If 25 06...

Страница 153: ...ht lead to an unacceptably 25 22 Zone unit Range Function high or low pressure in the system while the25 25 Zone Delay is running The Zone value can be optimized with increased familiarity with the sy...

Страница 154: ...frequent staging and destaging of fixed speed compressors 25 31 Stage Function Option Function 0 Disabled 1 Enabled If the Stage Function is set to 0 Disabled 25 32 Stage Function Time will not be act...

Страница 155: ...staging Threshold Range Function 130BA367 10 3 5 0 1 Seconds Variable speed pump Fixed speed pump Motor speed high limit Destaging speed Motor speed low limit Illustration 3 66 25 44 Staging Speed RPM...

Страница 156: ...l continue to run Frozen Staging destaging of compressors has been locked and reference locked Jogging All fixed speed compressors are stopped When stopped the variable speed compressor will run at jo...

Страница 157: ...ays use the new compressor if a compressor is replaced and its value in 25 84 Compressor ON Time counter is reset In order to use 25 04 Compressor Cycling the Cascade Controller is monitoring the Rela...

Страница 158: ...s reducing cost Consider the diagram 130BA382 10 M M M P T T T H Illustration 3 68 Analog I O Carsd Control Card Power card Room temperature Supply temperature Outdoor temperature Heating Coil Cooling...

Страница 159: ...puts and control the relays using communi cation via the serial bus In this instance these are the relevant parameters Terminal Parameters Terminal Parameters Terminal Parameters Analog inputs read An...

Страница 160: ...Ni 1000 C 5 Ni 1000 F 26 02 Terminal X42 5 Mode Option Function Terminal X42 5 can be programmed as an analog input accepting a voltage or input from either Pt 1000 1000 at 0 C or Ni 1000 1000 at 0 C...

Страница 161: ...set in 26 20 Terminal X42 3 Low Voltage 26 25 Term X42 3 High Ref Feedb Value Range Function 100 999999 999 999999 999 Enter the analog input scaling value that corresponds to the high voltage value...

Страница 162: ...ction 107 Speed 0 Speed High Limit 4 13 Motor Speed High Limit RPM and 4 14 Motor Speed High Limit Hz 0 20 mA 108 Torque 109 Max Out Freq 113 Ext Closed Loop 1 0 100 0 20 mA 114 Ext Closed Loop 2 0 10...

Страница 163: ...nction 100 0 200 Scale the maximum output of the selected analog signal at terminal X42 9 Set the value to the maximum value of the voltage signal output Scale the output to give a voltage lower than...

Страница 164: ...et the value to the maximum value of the voltage signal output Scale the output to give a voltage lower than 10 V at full scale or 10 V at an output below 100 of the maximum signal value If 10 V is th...

Страница 165: ...ch the maximum allowed shaft speed is 10 Hz lower than the previous step The initial step occurs when the discharge temperature rises from below to above Warning level and uses the current shaft speed...

Страница 166: ...n 0 0 1 This parameter enables or disables usage of 28 71 Day Night Bus Indicator If this parameter is set to 0 Disable then the value in 28 71 Day Night Bus Indicator is discarded in day night contro...

Страница 167: ...um Reference The value is rounded to the nearest smaller integer If a numerically larger value is entered the sum of the offset and the setpoint is clipped to the value of 3 03 Maximum Reference 3 21...

Страница 168: ...available Conversion index This number refers to a conversion figure used when writing or reading by means of a frequency converter Conv index 100 75 74 70 67 6 5 4 3 2 1 0 1 2 3 4 5 6 Conv factor 1 3...

Страница 169: ...eadout 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 0 VisStr 25 0 38 Display...

Страница 170: ...ll set ups FALSE 0 Uint16 1 23 Motor Frequency ExpressionLimit All set ups FALSE 0 Uint16 1 24 Motor Current ExpressionLimit All set ups FALSE 2 Uint32 1 25 Motor Nominal Speed ExpressionLimit All set...

Страница 171: ...E 1 Uint16 1 79 Compressor Start Max Time to Trip 5 s All 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 Express...

Страница 172: ...t meter All set ups TRUE Uint8 3 17 Reference 3 Source 0 No function All set ups TRUE Uint8 3 19 Jog Speed RPM ExpressionLimit All set ups TRUE 67 Uint16 3 4 Ramp 1 3 41 Ramp 1 Ramp Up Time Expression...

Страница 173: ...Feedback High 999999 ReferenceFeed backUnit All set ups TRUE 3 Int32 4 58 Missing Motor Phase Function ExpressionLimit All set ups TRUE Uint8 4 6 Speed Bypass 4 60 Bypass Speed From RPM ExpressionLim...

Страница 174: ...57 Term 33 Low Ref Feedb Value 0 N A All set ups TRUE 3 Int32 5 58 Term 33 High Ref Feedb Value 100 N A All set ups TRUE 3 Int32 5 59 Pulse Filter Time Constant 33 100 ms All set ups FALSE 3 Uint16 5...

Страница 175: ...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 A All set ups TRUE 3 Int32 6 35...

Страница 176: ...s ExpressionLimit 1 set up TRUE Uint8 8 35 Minimum Response Delay ExpressionLimit 1 set up TRUE 3 Uint16 8 36 Maximum Response Delay ExpressionLimit 1 set up TRUE 3 Uint16 8 37 Maximum Inter Char Dela...

Страница 177: ...set ups TRUE Uint8 13 01 Start Event ExpressionLimit 2 set ups TRUE Uint8 13 02 Stop Event ExpressionLimit 2 set ups TRUE Uint8 13 03 Reset SLC 0 Do not reset SLC All set ups TRUE Uint8 13 1 Comparato...

Страница 178: ...it All set ups FALSE 3 Uint16 14 32 Current Lim Ctrl Filter Time ExpressionLimit All set ups TRUE 4 Uint16 14 4 Energy Optimising 14 40 VT Level 66 All set ups FALSE 0 Uint8 14 41 AEO Minimum Magnetis...

Страница 179: ...0 15 42 Voltage 0 N A All set ups FALSE 0 VisStr 20 15 43 Software Version 0 N A All set ups FALSE 0 VisStr 5 15 44 Ordered Typecode String 0 N A All set ups FALSE 0 VisStr 40 15 45 Actual Typecode St...

Страница 180: ...ups FALSE 67 Int32 16 18 Motor Thermal 0 All set ups FALSE 0 Uint8 16 22 Torque 0 All set ups FALSE 0 Int16 16 3 Drive Status 16 30 DC Link Voltage 0 V All set ups FALSE 0 Uint16 16 32 Brake Energy s...

Страница 181: ...l set ups FALSE 0 V2 16 86 FC Port REF 1 0 N A All set ups FALSE 0 N2 16 9 Diagnosis Readouts 16 90 Alarm Word 0 N A All set ups FALSE 0 Uint32 16 91 Alarm Word 2 0 N A All set ups FALSE 0 Uint32 16 9...

Страница 182: ...lUnit All set ups TRUE 3 Int32 20 23 Setpoint 3 0 ProcessCtrlUnit All set ups TRUE 3 Int32 20 25 Setpoint Type ExpressionLimit All set ups TRUE Uint8 20 3 Feedback Adv Conv 20 30 Refrigerant 19 R404A...

Страница 183: ...3 Int32 21 17 Ext 1 Reference Unit 0 ExtPID1Unit All set ups TRUE 3 Int32 21 18 Ext 1 Feedback Unit 0 ExtPID1Unit All set ups TRUE 3 Int32 21 19 Ext 1 Output 0 All set ups TRUE 0 Int32 21 2 Ext CL 1 P...

Страница 184: ...s All set ups TRUE 0 Uint16 22 2 No Flow Detection 22 20 Low Power Auto Set up 0 Off All set ups FALSE Uint8 22 21 Low Power Detection 0 Disabled All set ups TRUE Uint8 22 22 Low Speed Detection 0 Di...

Страница 185: ...ps TRUE 1 Uint16 22 85 Speed at Design Point RPM ExpressionLimit All set ups TRUE 67 Uint16 22 86 Speed at Design Point Hz ExpressionLimit All set ups TRUE 1 Uint16 22 87 Pressure at No Flow Speed 0 N...

Страница 186: ...nergy Savings 0 kWh All set ups TRUE 75 Int32 23 84 Cost Savings 0 N A All set ups TRUE 0 Int32 Table 4 20 4 1 20 25 Pack Controller Par No Parameter description Default value 4 set up Change during o...

Страница 187: ...O Option MCB 109 Par No Parameter description Default value 4 set up Change during operation Conver sion index Type 26 0 Analog I O Mode 26 00 Terminal X42 1 Mode 1 Voltage All set ups TRUE Uint8 26...

Страница 188: ...inal X42 11 Output 0 No operation All set ups TRUE Uint8 26 61 Terminal X42 11 Min Scale 0 All set ups TRUE 2 Int16 26 62 Terminal X42 11 Max Scale 100 All set ups TRUE 2 Int16 26 63 Terminal X42 11 B...

Страница 189: ...All set ups TRUE 3 Int32 28 85 P0 Minimum Reference 0 K All set ups TRUE 0 Int32 28 86 P0 Maximum Reference 0 K All set ups TRUE 0 Int32 28 87 Most Loaded Controller 0 N A All set ups TRUE 0 Int16 28...

Страница 190: ...the cause has been rectified Alarms that are not trip locked can also be reset using the automatic reset function in 14 20 Reset Mode Warning automatic wake up is possible If a warning and alarm is m...

Страница 191: ...tor too small X 55 AMA parameter out of range X 56 AMA interrupted by user X 57 AMA timeout X 58 AMA internal fault X X 59 Current limit X 60 External interlock 62 Output Frequency at Maximum Limit X...

Страница 192: ...Mains ph Loss Mains ph Loss Out of Speed Range 15 00008000 32768 AMA Not OK No Motor OVC Active 16 00010000 65536 Live Zero Error Live Zero Error 17 00020000 131072 Internal Fault 10V Low 18 00040000...

Страница 193: ...is missing 00200000 Motor phase W is missing 00800000 Control Voltage Fault 01000000 02000000 VDD supply low 04000000 Brake resistor short circuit 08000000 Brake chopper fault 10000000 Earth fault DES...

Страница 194: ...W68 80000000 Not used Table 5 7 16 92 Warning Word Bit Hex Warning Word 2 16 93 Warning Word 2 00000001 00000002 00000004 Clock Failure 00000008 Reserved 00000010 Reserved 00000020 00000040 00000080 E...

Страница 195: ...erved 40000000 Reserved 80000000 Reserved Table 5 9 Extended Status Word 16 94 Ext Status Word Bit Hex Extended Status Word 2 16 95 Ext Status Word 2 00000001 Off 00000002 Hand Auto 00000004 Not used...

Страница 196: ...5 Table 5 11 Alarm Warning Limits WARNING ALARM 8 DC under voltage If the intermediate circuit voltage DC drops below the voltage warning low limit see Table 5 11 the frequency converter checks if 24...

Страница 197: ...brake resistor is monitored during operation If it short circuits the brake function is disconnected and the warning appears The frequency converter still works but without the brake function Turn of...

Страница 198: ...ut ALARM 54 AMA motor too small The motor is too small for the AMA to be carried out ALARM 55 AMA par out of range The par values found from the motor are outside acceptable range ALARM 56 AMA interru...

Страница 199: ...te and time has not been set or any back up mounted has failed See parameter group 0 7 WARNING 200 Fire Mode The input command Fire Mode is active See parameter group 24 0 WARNING 201 Fire M was Activ...

Страница 200: ...71 165 DC Link 195 Default Settings 167 23 Definitions 4 Delayed Compressor Start 28 91 166 Destage Function 25 33 153 Destaging Speed 25 47 155 Threshold 25 43 154 Digital Input 156 DP0 Offset 28 81...

Страница 201: ...40 Operating Mode 26 Option Ident 102 P P0 Maximum Reference 28 86 166 Minimum Reference 28 85 166 Reference 28 84 166 Setpoint 28 83 166 P0 28 82 166 Parameter Info 103 Options 167 Selection 22 Set U...

Страница 202: ...atus Status 13 Messages 11 Step by Step 23 Symbols 3 Synchronous Motor Speed 4 T Thermal Load 41 105 Thermistor 6 Timed Actions 140 Torque Characteristics 1 03 36 Trending 147 Trip Reset 93 V Value 23...

Страница 203: ...www danfoss com drives MG16H102 130R0386 MG16H102 Rev 2012 02 22...

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