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NXL HVAC APPLICATION MANUAL

1. Honeywell Note 0 No response 1 Warning 2 Fault stop acc to 2 1 9 3 Fault stop by coasting 4 Warning Run preset speed according to 2 7 25 0 No response 1 Warning 2 Fault stop acc to 2 1 9 3 Fault stop by coasting As par 2 7 1 As par 2 7 1 As par 2 7 1 As par 2 7 1 As par 2 7 1 0 No response 1 Warning if below limit 2 Warning if above limit 3 Fault if below limit 4 Fault if above limit Preset speed setting for 4 20 mA signal loss Activate the function by setting 2 7 1 to 4 Honeywell HVAC Application Parameter lists Page 15 68 3 10 Autorestart parameters Control keypad Menu P2 gt cea Parameter Min i Max Unit i Default Cust 0 10 10 00 S 0 50 E 0 00 60 00 s 30 00 e S e e o Start function 0 2 Table 1 12 Autorestart parameters G2 8 0 Ramp 0 719 1 Flying start 2 According to par 2 1 8 3 11 PID reference parameters Control keypad Menu P2 gt P2 9 Code Parameter Min Max Unit Default Cust ID 0 Not used 1 PID controller activated P2 9 1 PID activation 0 1 0 163 2 Pump amp fan control active group P2 10 visible 0 Al1 1 Al2 P2 9 2 PID reference 0 3 2 E e keypad PID 3 Fieldbus reference ProcessDatalN1 0 Al1 signal 1 Al2 signal 2 Fieldbus ProcessDatalN2 P2 9 3 Actual value input 0 6 1 334 Ee Ge 5 Motor current 6 Motor power 7 Al1 Al2 Actual 1 P2 9 4 0 0 1000 0 K 100 0 118 P2 9 5 0 00 320 00 s 10 00 119 P2 9 6
2. Page 6 68 3 2 HVAC parameters Control keypad Menu P2 gt P2 1 Code P2 1 1 P2 1 2 P2 1 3 P2 1 4 P2 1 5 P2 1 9 P2 1 10 P2 1 11 P2 1 12 P2 1 13 P2 1 14 Parameter Min frequency Max frequency Acceleration time 1 Deceleration time 1 Current limit Nominal current of the motor Nominal speed of the motor Start function Stop function Automatic restart Nominal voltage of the motor Nominal frequency of the motor Preset speed 1 Parameter conceal HVAC Application Parameter lists Min Max Unit Default Cust 0 00 Par 212 Hz 0 00 Par 2 1 1 320 00 Hz 50 00 0 1 3000 0 s TO 0 1 3000 0 s 1 0 O1xh 15xh A i 0 3 X IL 1 5 X IL A IL 300 20000 rpm 1440 0 1 0 0 1 0 0 1 0 380 500 v 400V 30 00 320 00 Hz 50 00 gon Par 212 Hz 10 00 0 1 1 Table 1 4 HVAC parameters P2 1 in NXL HVAC 102 103 104 107 113 112 505 506 731 110 111 105 115 Honeywell Note NOTE If fmax gt than the motor synchronous speed check suitability for motor and drive system Check the rating plate of the motor The default applies for a 4 pole motor and a nominal size frequency converter 0 Ramp 1 Flying start 2 Conditional Flying start 0 Coasting 1 Ramp 0 Not used 1 Used 3 x automatic Restart Check the rating plate of the motor O All parameters and menus visible 1 HVAC group P2 1 and menus M1 H5 visible
3. 2 1 15 8 Nominal speed of the motor Find this value n on the rating plate of the motor Equal to parameter 2 1 7 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 9 Nominal current of the motor Find this value on the rating plate of the motor Equal to parameter 2 1 6 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 10 Motor cos phi Find this value cos phi on the rating plate of the motor 2 1 15 11 Start function Ramp 0 The frequency converter starts from 0 Hz and accelerates to maximum frequency within the set acceleration time Load inertia or starting friction may cause prolonged acceleration times Flying start 1 The frequency converter is able to start into a running motor by applying a small torque to motor and searching for the frequency corresponding to the speed the motor is running at The searching starts from the maximum frequency towards the actual frequency until the correct value is detected Thereafter the output frequency will be increased decreased to the set reference value according to the set acceleration deceleration parameters Use this mode if the motor is coasting when the start command is given With the flying start it is possible to ride through short mains voltage interruptions Conditional Flying start 2 With this mode it is possible to disconnect and connect the motor from the frequency converte
4. Autochange level frequency Par 2 10 5 Par 2 10 5 p gt Autochange interval Autochange interval Aux drive 1 _ control Aux drive 2 control NXLK56 fh8 Figure 1 37 Autochange interval and limits Start frequency auxiliary drive 1 The frequency of the drive controlled by the frequency converter must exceed the limit defined with these parameters with 1 Hz before the auxiliary drive is started The 1 Hz overdraft makes a hysteresis to avoid unnecessary starts and stops See also parameters 2 1 1 and 2 1 2 Stop frequency auxiliary drive 1 The frequency of the drive controlled by the frequency converter must fall with 1Hz below the limit defined with these parameters before the auxiliary drive is stopped The stop frequency limit also defines the frequency to which the frequency of the drive controlled by the frequency converter is dropped after starting the auxiliary drive Honeywell Description of parameters Page 65 68 4 12 KEYPAD CONTROL PARAMETERS 3 1 3 2 3 3 3 4 3 5 3 6 Control place The active control place can be changed with this parameter For more information see NXL HVAC amp Compact User Manual Chapter 7 4 3 Keypad reference The frequency reference can be adjusted from the keypad with this parameter For more information see NXL HVAC amp Compact User Manual Chapter 7 4 3 2 Keypad direction 0 Forward The rotation of the motor is forward when the key
5. Germany Telephone 49 7031 637 01 EN1B 0389GE51 R1008 Telefax 49 7073 637 493 October 2008 www ecc emea honeywell com 2008 Honeywell International Inc Honeywell
6. Start mode where Trip Free Output Switching is enabled recommended to be used with all pump and fan applications Default values if Start up wizard has not been used Look Figure 7 3 on page 54 from NXL HVAC amp Compact User Manual or NXL HVAC DRIVE Quick Guide to see the values with different modes in wizard NOTE Deactivating Parameter conceal P 2 1 14 gets all parameters into use in NXL HVAC drive Honeywell HVAC Application Parameter lists Page 7 68 3 3 Basic parameters Control keypad Menu P2 gt P2 1 15 In NXL HVAC the full NXL basic group can be found under the subgroup 2 1 15 Code Parameter l Min Max Unit Default Cust ID Note P2 1 15 1 Min frequency 0 00 Par 2 1 2 NOTE If fmax gt than the motor synchronous speed P2 1 15 2 Max frequency Par 2 1 1 320 00 102 check suitability for motor O and drive system paiana CEET e 3000 0 103 B ss Pecelerationtime 64 3000 0 104 P2 1 15 5 Current limit 0 1 X IL USA 107 Nominal voltage of P2 1 15 6 ihe moor 180 690 110 Nominal Check the rating plate of P257 frequency ofthe 30 00 320 00 111 the motor motor The default applies for a 4 pams Nominal speed of 359 20000 112 pole motor and a nominal the motor size frequency converter Nominal current Check the rating plate of P2 1 15 9 of the motor 03 xl eee 113 the motor Check the rating plate of P3IISI0 Motor cos 0 30 1 00 120 ie motor 0 Ramp B ss Start function 0 1
7. leel ss Ss PE ee programming ee LR Voltage input 0 10V Voltage input 0 10V Voltage input 0 10V Jumperdin4 fh8 Figure 1 1 Jumper selections of X4 when Al1 functions as DIN4 2 2 5 All signal selection Connect the Al signal to the analogue input of your choice with this parameter Page 26 68 Description of parameters Honeywell 2 2 6 2 2 7 2 2 8 bk Change value Location indicator nxik29 fh8 Input number Figure 1 2 Al1 signal selection The value of this parameter is formed of the board indicator and the respective input terminal number See Figure 1 2 Board indicator 1 Local inputs Board indicator 2 Expander board inputs Input number 0 Input 1 Input number 1 Input 2 Input number 2 Input 3 Input number 9 Input 10 Example If you set the value of this parameter to 10 you have selected the local input 1 for the Al1 signal Again if the value is set to 21 the expander board input 2 has been selected for the Al1 signal If you want to use the values of analogue input signal for e g testing purposes only you can set the parameter value to 0 9 In this case value 0 corresponds to 0 value 1 corresponds to 20 and any value between 2 and 9 corresponds to 100 All signal range With this parameter you can select the Al1 signal range 0 DIN4 1 Signal range 0 20mA only for sizes MF4 and bigger 2 Signal range 4 20mA only for sizes MF4 and bigger
8. 15 18 2 10 5 Autochange interval After the expiry of the time defined with this parameter the autochange function takes place if the capacity used lies below the level defined with parameters 2 10 7 Autochange frequency limit and 2 10 6 Maximum number of auxiliary drives Should the capacity exceed the value of P2 10 7 the autochange will not take place before the capacity goes below this limit e The time count is activated only if the Start Stop request is active e The time count is reset after the autochange has taken place or on removal of Start request Page 64 68 Description of parameters Honeywell 2 10 6 2 10 7 2 10 8 2 10 9 Maximum number of auxiliary drives Autochange frequency limit These parameters define the level below which the capacity used must remain so that the autochange can take place This level is defined as follows e If the number of running auxiliary drives is smaller than the value of parameter 2 10 6 the autochange function can take place e If the number of running auxiliary drives is equal to the value of parameter 2 10 6 and the frequency of the controlled drive is below the value of parameter 2 10 7 the autochange can take place e If the value of parameter 2 10 7 is 0 0 Hz the autochange can take place only in rest position Stop and Sleep regardless of the value of parameter 2 10 6 Output frequency A Autochange moment Par 2 10 6 1 Max number of auxiliary drives
9. 9 The DC braking time is determined with this parameter Par 2 1 9 0 Stop function Coastin After the stop command the motor coasts to a stop without control from the frequency converter With the DC injection the motor can be electrically stopped in the shortest possible time without using an optional external braking resistor The braking time is scaled by the frequency when the DC braking starts If the frequency is greater than the nominal frequency of the motor the set value of parameter 2 4 4 determines the braking time When the frequency is lt 10 of the nominal the braking time is 10 of the set value of parameter 2 4 4 Output frequency Motor speed oo S 4 DC braking ON t 0 1 x Par 2 4 4 NX12K21 Figure 1 11 DC braking time when Stop mode Coasting Honeywell Description of parameters Page 35 68 2 4 5 2 4 6 2 4 7 Par 2 1 9 1 Stop function Ramp After the Stop command the speed of the motor is reduced according to the set Motor speed deceleration parameters as fast as possible to the speed defined with parameter 2 4 5 where the DC braking starts Output frequency DC braking The braking time is defined with parameter 2 4 4 If high inertia exists it is recommended to use an external braking t resistor for faster deceleration See Figure CSR 1 12 par 2 4 5 NX12K23 Figure 1 12 DC braking time when
10. Not used 1 Ready 2 Run 3 Fault 4 Fault inverted 5 FC overheat warning 6 Ext fault or warning 7 Ref fault or warning 8 Warning 9 Reversed 10 Preset speed 11 At speed 12 Mot regulator active 13 OP freq limit superv 1 14 Control place IO 15 Thermistor fault warning 16 Actual value supervision 17 Autochange 1 control 18 Autochange 2 control 19 Autochange 3 control 20 Al supervision 313 314 As parameter 2 3 1 317 As parameter 2 3 1 312 As parameter 2 3 1 307 See par 2 1 15 16 308 0 No filtering 0 Not inverted 1 Inverted 0 0 mA 1 4 mA CO Q o oo a CH 472 As parameter 2 1 15 16 479 As parameter 2 1 15 16 O No limit 1 Low limit supervision 2 High limit supervision Not used Al1 Al2 356 M ch E 487 ON delay for RO1 488 OFF delay for RO1 wj wo wo wo wo ol ao mare mare mare j N 0 gt ol Page 12 68 HVAC Application Parameter lists Honeywell 3 6 Drive control parameters Control keypad Menu P2 gt P2 4 Parameter Ramp 1 shape Brake chopper DC braking time at stop Frequency to start DC braking during ramp stop DC braking time at start Flux brake Flux braking current 0 15 x In 0 00 Varies Table 1 8 Drive control parameters P2 4 i Default 0 0 Varies 0 00 1 50 0 00 0 Cust ID 0 Linear 0 Disabled 1 Used in Run state 3 Used in Run and
11. O Prmotor 7 Motor voltage 0 Unmotor 8 DC link volt O 1000V 9 PI controller ref value 10 PI contr act value 1 11 PI contr error value 12 PI controller output O Not used 1 Start Reverse DIN1 Start forward 2 Reverse DIN1 Start 3 Stop pulse DIN1 Start pulse 4 External fault cc 5 External fault oc 6 Run enable 7 Preset speed 2 8 Motor pot UP cc 9 Disable PID Direct freq reference 10 Interlock 1 O Not used 1 Reverse 2 External fault cc 3 External fault oc 4 Fault reset 5 Run enable 6 Preset speed 1 7 Preset speed 2 8 DC braking command 9 Motor pot UP cc 10 Motor pot DOWN cc 11 Disable PID Direct freq reference 12 PID Keypad ref 2 selection 13 Interlock 2 14 Thermistor input Note See NXL HVAC User Manual 6 2 4 15 Force cp to I O 16 Force cp to Fieldbus 17 Al1 Al2 selection for I O reference 0 Not used 1 Used O All parameters and menus visible 1 Only group P2 1 and menus M1 to H5 visible Honeywell HVAC Application Parameter lists 3 4 Input signals Control keypad Menu P2 gt P2 2 Code Parameter Min Expander board DIE1 function e DIE2 function e DIE3 function DIN4 function Al1 0 Al1 signal P2 2 5 A 0 selection P2 2 6 Al1 signal range 1 aa z All custom minimum 0 00 setting P2 2 8 A GUS Orn 0 00 maximum setting P2 2 10 Al1 filter time 0 00 P2 2 11 Al2 signal selection 0 Max Unit K Default 0
12. PID min limit 0 0 Par 2 9 6 D time 1 00 s Min freq 0 Hz Error value setpoint process value 10 s Max freq 50 Hz As the error value increases also the PID output increases according to the set values D time 1 00s Honeywell Description of parameters Page 53 68 PID output Error value a D D part 10 5 00 Hz I I Ti A A i D part 10 5 00 Hz s A A wos O O NO e o AS O A a NX12k72 Figure 1 27 PID output with the values of Example 3 2 9 7 Actual value 1 minimum scale Sets the minimum scaling point for Actual value 1 See Figure 1 28 2 9 8 Actual value 1 maximum scale Sets the maximum scaling point for Actual value 1 See Figure 1 28 A Scaled input signal Par 2 9 7 30 Par 2 9 8 80 Analogue 100 input t gt 10 0 V 20 0 mA 20 0 mA Figure 1 28 Example of actual value signal scaling Page 54 68 Description of parameters Honeywell 2 9 9 2 9 10 2 9 11 2 9 12 2 9 13 PID error value inversion This parameter allows you to invert the error value of the PID controller and thus the operation of the PID controller 0 No inversion 1 Inverted Sleep frequency The frequency converter is stopped automatically if the frequency of the drive falls below the Sleep level defined with this parameter for a time greater than that determined by parameter 2 9 11 During the Stop state the PID controller is op
13. Stop mode Ramp DC braking frequency in ramp stop The output frequency at which the DC braking is applied See Figure 1 12 DC braking time at start DC brake is activated when the start command P is given This parameter defines the time Output before the brake is released After the brake is frequency released the output frequency increases according to the set start function by parameter 2 1 8 See Figure 1 13 NX12K80 Figure 1 13 DC braking time at start Flux brake Instead of DC braking flux braking is a useful form of braking with motors lt 15kW When braking is needed the frequency is reduced and the flux in the motor is increased which in turn increases the motor s capability to brake Unlike DC braking the motor speed remains controlled during braking The flux braking can be set ON or OFF 0 Flux braking OFF 1 Flux braking ON Note Flux braking converts the energy into heat at the motor and should be used intermittently to avoid motor damage Page 36 68 Description of parameters Honeywell 2 4 8 Flux braking current Defines the flux braking current value It can be set between 0 3 x I approximately and the Current limit Honeywell Description of parameters Page 37 68 4 6 PROHIBIT FREQUENCIES 2 5 1 Prohibit frequency area 1 Low limit 2 5 2 Prohibit frequency area 1 High limit In some systems it may be necessary to Output frequency Hz avoid certain frequencies be
14. accuracy of the torque calculation decreases 2 7 15 Underload protection 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting If tripping is set active the drive will stop and activate the fault stage Deactivating the protection by setting the parameter to 0 will reset the underload time counter 2 7 16 Underload protection field weakening area load The torque limit can be set between 10 0 150 0 x Trmotor This parameter gives the value for the minimum torque allowed when the output frequency is above the field weakening point See Figure 1 22 If you change the parameter 2 1 6 Motor A Torque nominal current this parameter is automatically restored to the default value Par 2 7 16 Par 2 7 17 Underload area Le Fieldweakening point par 2 6 3 NX12k65 Figure 1 22 Setting of minimum load Honeywell Description of parameters Page 47 68 2 7 17 Underload protection zero frequency load The torque limit can be set between 5 0 150 0 x Tnmowor This parameter gives value for the minimum torque allowed with zero frequency See Figure 1 22 If you change the value of parameter 2 1 6 Motor nominal current this parameter is automatically restored to the default value 2 7 18 Underload time This time can be set between 2 0 and 600 0 S This is the maximum time allowed for an underload state to exi
15. current limit is a function of the output frequency CAUTION The calculated model does not protect the motor if the airflow to the motor is reduced by blocked air intake grill 2 7 6 Motor thermal protection 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting If tripping is selected the drive will stop and activate the fault stage Deactivating the protection i e setting parameter to 0 will reset the thermal model of the motor to 0 2 7 7 Motor thermal protection Motor ambient temperature factor When the motor ambient temperature must be taken into consideration it is recommended to set a value for this parameter The value of the factor can be set between 100 0 and 100 0 where 100 0 corresponds to 0 C and 100 0 to the maximum running ambient temperature of the motor Setting this parameter value to 0 assumes that the ambient temperature is the same as the temperature of the heatsink at power on Honeywell Description of parameters Page 43 68 2 7 8 Motor thermal protection Cooling factor at zero speed The cooling power can be set between 0 150 0 x cooling power at nominal frequency See Figure 1 18 NX12k62 Figure 1 18 Motor cooling power 2 7 9 Motor thermal protection Time constant This time can be set between 1 and 200 minutes This is the thermal time constant of the motor T
16. direct frequency reference can be used for the control without the PID controller and it can be selected from the analogue inputs fieldbus keypad preset speeds or motor potentiometer Special parameters for Pump and Fan Cascade Control Group P2 10 can be browsed and edited after changing the value of par 2 9 1 to 2 Pump and fan control activated The PID controller reference can be selected from the analogue inputs fieldbus PID keypad reference 1 or by enabling the PID keypad reference 2 via digital input The PID controller actual value can be selected from the analogue inputs fieldbus or the actual values of the motor PID controller can also be used when the frequency converter is controlled via fieldbus or the control keypad e Digital inputs DIN2 DIN3 DIN4 and digital inputs DIE1 DIE2 DIE3 are freely programmable e Internal and optional digital relay and analogue outputs are freely programmable e Analogue input 1 can be programmed as current input voltage input or digital input DIN4 NOTE If the analogue input 1 has been programmed as DIN4 with parameter 2 2 6 Al1 Signal Range check that the jumper selections Figure 1 1 page 25 are correct Additional functions The PID controller can be used from control places I O keypad and fieldbus Sleep function Actual value supervision function fully programmable off warning fault Programmable Start Stop and Reverse signal logic Reference scaling 2 Preset speeds
17. protects the motor from short time overload situations such as one caused by a stalled shaft The reaction time of the stall protection can be set shorter than that of motor thermal protection The stall state is defined with two parameters 2 7 12 Stall current and 2 7 13 Stall frequency If the current is higher than the set limit and output frequency is lower than the set limit the stall state is true There is actually no real indication of the shaft rotation Stall protection is a type of overcurrent protection 2 7 11 Stall protection 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting Setting the parameter to 0 will deactivate the protection and reset the stall time counter Honeywell Description of parameters Page 45 68 2 7 12 Stall current limit The current can be set to 0 0 Lee 2 Fora stall stage to occur the current must have exceeded this limit See Figure 1 20 The software does not allow entering a greater value than lavotor 2 If the parameter 2 1 6 Nominal current of motor is changed this parameter is automatically restored to SEI the default value lnmoior 1 3 Par 2 7 12 Figure 1 20 Stall i gt Par 2 7 14 wee characteristics settings 2 7 13 Stall time This time can be set between 1 0 and 120 0s This is the maximum time allowed for a stall event
18. the fieldbus For the parameter values see par 2 2 20 Honeywell 4 4 OUTPUT SIGNALS 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 Relay output 1 function Description of parameters Page 29 68 Expander board relay output 1 function Expander board relay output 2 function Expander board digital output 1 function Seiting value Signal content 0 Not used 1 Ready 2 Run 3 Fault 4 Fault inverted 5 Frequency converter overheat warning 6 External fault or warning 7 Reference fault or warning 8 Warning 9 Reversed 10 Preset speed 11 At speed 12 Motor regulator activated 13 Output frequency limit 1 supervision 14 Control from I O terminals 15 Thermistor fault or warning 16 Actual value supervision active 17 Autochange 1 control 18 Autochange 2 control 19 Autochange 3 control 20 Al supervision Out of operation Relay output RO1 and expander board programmable relays RO1 RO2 are activated when The frequency converter is ready to operate The frequency converter operates motor is running A fault trip has occurred A fault trip not occurred The heat sink temperature exceeds 70 C Fault or warning depending on par 2 7 2 Fault or warning depending on par 2 7 1 if analogue reference is 4 20 mA and signal is lt 4mA Always if a warning exists The reverse command has been selected A preset speed has been selected The output frequen
19. the nominal voltage is supplied to the motor Linear U f ratio should be used in constant torque applications See Figure 1 16 This default setting should be used if there is no special need for another setting Squared The voltage of the motor changes following a squared curve form 1 with the frequency in the area from 0 Hz to the field weakening point where the nominal voltage is also supplied to the motor The motor runs under magnetised below the field weakening point and produces less torque and electromechanical noise Squared U f ratio can be used in applications where torque demand of the load is proportional to the square of the speed e g in centrifugal fans and pumps Figure 1 16 Linear and squared change of motor voltage n Default Nominal voltage of the motor Field weakening Linear Squared Default Nominal frequency of the motor d par 2 6 3 NX12K07 Honeywell Description of parameters Page 39 68 Programmable U f curve 2 The U f curve can be programmed with three different points Programmable U f curve can be used if the other settings do not satisfy the needs of the application Figure 1 17 Programmable U f curve Par 2 6 4 Default Nominal voltage of the motor Field weakening point Par 2 6 6 Def 109 Ge l Default Nominal Par 2 6 7 i requency of the motor Def 1 3 mi d Par 2 6 5 Par 2 6 3 Def 5 Hz NX12K08 Linear with flux optimisatio
20. this parameter you can set the limit of actual value supervised by par 2 7 22 Actual value supervision delay Set here the delay for the actual value supervision function par 2 7 22 If this parameter is in use the function of par 2 7 22 will be active only when the actual value stays outside the defined limit for the time determined by this parameter 4mA fault frequency Set here the preset speed for the 4 20mA signal loss fault This function is activated when Response to 4mA reference fault par 2 7 1 is set to 4 Warning Run at preset speed Honeywell Description of parameters Page 49 68 4 9 AUTO RESTART PARAMETERS The automatic restart function is active if the value of par 2 1 10 1 There are always three restart trials 2 8 1 Automatic restart Wait time Defines the time before the frequency converter tries to automatically restart the motor after the fault has disappeared 2 8 2 Automatic restart Trial time The Automatic restart function restarts the frequency converter when the faults have disappeared and the waiting time has elapsed Wait time Wait time Wait time Wait time Par 2 8 1 Par 2 8 1 m Par 2 8 1 Par 2 8 1 Fault trigger Motor stop signal l Restart 1 Restart 2 Restart 3 Motor start signal Supervision Trial time Par 2 8 2 Fault active RESET Fault reset NX12k67 Parameter 2 1 2
21. 0 00 10 00 s 0 00 132 p2g 7 Actual value 1 open 1000 0 minimum scale P2 9 8 Actual value 1 oa 1000 0 mexmum scale K 0 00 336 0 No minimum scaling K 100 0 337 100 No maximum scaling P2 9 9 K 1 0 340 Par P2 9 10 Sleep frequency a 212 Hz 10 00 1016 KA P2 9 11 Sleep delay 0 3600 s 30 117 OE P2 9 12 Wake up level 0 00 100 00 E 25 00 1018 0 Wake up at fall below wake up level 2 9 12 1 Wake up at exceeded P2 9 13 Wake up function 0 3 0 1019 EE 2 Wake up at fall below wake up level PID ref 3 Wake up at exceeded wake up level PID ref Table 1 13 PID reference parameters G2 9 Page 16 68 HVAC Application Parameter lists Honeywell 3 12 Pump amp Fan Cascade control parameters Control keypad Menu P2 gt P2 10 NOTE Group P2 10 is visible only if the value of par 2 9 1 is set to 2 Parameter Min Number of auxiliary e 0 drives Start delay DR R 0 0 auxiliary drives Stop delay eg 0 0 auxiliary drives Autochange 0 si Autochange e auxiliary drives frequency limit auxiliary drive 1 2 10 9 auxiliary drive 1 2 1 1 P2 10 5 P2 10 6 Table 1 14 Pump and fan cascade control parameters Default 4 0 2 0 25 00 51 00 10 00 1 Autochange with aux pumps 2 Autochange with Freq conv amp aux pumps 3 Autochange and interlocks aux pumps 4 Autochange and interlocks Freq conv amp aux pumps 0 0 TEST 40 s
22. 00 100 00 0 0 10 11 Page 9 68 Cust 0 Not used 1 Reverse 2 External fault cc 3 External fault oc 4 Fault reset 5 Run enable 6 Preset speed 1 7 Preset speed 2 8 DC braking command 9 Motor pot UP cc 10 Motor pot DOWN cc 11 Disable PID PID control selection 12 PID Keypad ref 2 selection 13 Interlock 1 As par 2 2 1 except 13 Interlock 2 13 Interlock 3 As par 2 2 1 except 13 Interlock 3 ID 10 Al1 1 Local O input 1 11 Al2 1 Local 1 input 2 20 Exp AI a 2 exp board O input 1 21 Exp Al2 2 exp board 1 input 2 0 Digital input 4 1 0mA 20mA MF4 gt 2 4mA 20mA MF4 gt 3 0V 10V 4 2V 10V Not used if Al2 Custom min gt 0 or Al2 custom max lt 100 Note See NXL HVAC User manual chapter 7 4 6 Al1 mode 0 Not inverted 1 Inverted 0 No filtering 388 As par 2 2 5 Page 10 68 Al2 signal range AI2 custom minimum setting Al2 custom maximum setting Al2 inversion Al2 filter time Motor potentiometer frequency reference memory reset minimum value Reference scaling maximum value Keypad control reference selection Fieldbus control reference selection Table 1 6 Input signals P2 2 100 00 100 00 P2 2 19 320 00 K HVAC Application Parameter lists 0 00 100 00 0 00 0 00 398 367 344 345 Honeywell Not used if Al2 Custom min lt gt 0 or Al2 custom max l
23. 1 1 3 trials Figure 1 24 Automatic restart The time count starts from the first autorestart If the number of faults occurring during the trial time exceeds three the fault state becomes active Otherwise the fault is cleared after the trial time has elapsed and the next fault starts the trial time count again If a single fault remains during the trial time a fault state is true 2 8 3 Automatic restart start function The Start function for Automatic restart is selected with this parameter The parameter defines the start mode 0 Start with ramp 1 Flying start 2 Start according to par 2 1 8 Page 50 68 Description of parameters Honeywell 4 10 PID REFERENCE PARAMETERS 2 9 1 2 9 2 2 9 3 2 9 4 2 9 5 2 9 6 PID activation With this parameter you can activate or deactivate the PID controller or activate the pump and fan control parameters 0 PID controller deactivated 1 PID controller activated 2 Pump and fan control activated Parameter group P2 10 becomes visible PID reference Defines which frequency reference source is selected for the PID controller Default value is 2 0 All reference 1 Al2 reference 2 PID reference from the Keypad control page Group K3 parameter P3 5 3 Reference from the fieldbus FBProcessDatalN1 Actual value input All Al2 Fieldbus Actual value 1 FBProcessDatalN2 Actual value 2 FBProcessDatalN3 Motor torque Motor speed Mot
24. 1 2 1 2 Minimum maximum frequency Defines the frequency limits of the frequency converter The maximum value for parameters 2 1 1 and 2 1 2 is 320 Hz The software will automatically check the values of parameters 2 1 13 2 1 15 19 2 1 15 20 2 3 13 2 5 1 2 5 2 and 2 6 5 2 1 3 2 1 4 Acceleration time 1 deceleration time 1 These limits correspond to the time required for the output frequency to accelerate from the zero frequency to the set maximum frequency par 2 1 2 2 1 5 Current limit This parameter determines the maximum motor current from the frequency converter To avoid motor overload set this parameter according to the rated current of the motor The current limit is equal to the rated converter current 11 by default 2 1 6 Nominal current of the motor Find this value on the rating plate of the motor 2 1 7 Nominal speed of the motor Find this value n on the rating plate of the motor 2 1 8 Start function Ramp 0 The frequency converter starts from 0 Hz and accelerates to maximum frequency within the set acceleration time Load inertia or starting friction may cause prolonged acceleration times Flying start 1 The frequency converter is able to start into a running motor by applying a small torque to motor and searching for the frequency corresponding to the speed the motor is running at The searching starts from the maximum frequency towards the actual frequency until the correct value is detected Ther
25. 1029 Elapsed time for autochange auxiliary drives Autochange frequency level for variable speed drive HVAC Application Parameter lists Honeywell 3 13 Keypad control Control keypad Menu K3 Page 17 68 The parameters for the selection of control place and direction on the keypad are listed below See the Keypad control menu in the NXL HVAC amp Compact User Manual Parameter Control place Keypad reference Direction on keypad Stop button PID reference PID reference 2 Table 1 15 Keypad control parameters M3 Max Default 3 1 Par 2 1 2 1 0 1 1 100 00 0 00 100 00 L 0 00 L 3 14 System menu Control keypad Menu S6 Cust DI 1 UO terminal 125 2 Keypad 3 Fieldbus 0 Forward 1 Reverse 0 Limited function of Stop 114 button 1 Stop button always enabled WE ee ees Selected with digital inputs For parameters and functions related to the general use of the frequency converter such as customised parameter sets or information about the hardware and software see Chapter 7 4 6 in the NXL HVAC amp Compact User Manual 3 15 Expander boards Control keypad Menu E7 The E7 menu shows the expander boards attached to the control board and board related information For more information see Chapter 7 4 7 in the NXL HVAC amp Compact User Manual Page 18 68 Description of parameters Honeywell 4 Description of parameters 4 1 HVAC PARAMETERS 2 1
26. 3 Signal range 0 10V 4 Signal range 2 10V Note The selections have no effect if par 2 2 7 gt 0 or par 2 2 8 lt 100 If the value of par 2 2 6 is set to 0 Al1 functions as digital input 4 See par 2 2 4 Al1 custom setting minimum Al1 custom setting maximum Set the custom minimum and maximum levels for the Al1 signal within 0 10V Honeywell Description of parameters Page 27 68 2 2 9 All signal inversion By setting the parameter value to 1 the Al1 signal inversion takes place 2 2 10 All signal filter time This parameter given a value greater than 0 activates the function that filters out disturbances from the incoming analogue Uj signal Long filtering time makes the regulation response slower See Figure 1 3 Unfiltered signal t s gt Par 2 2 10 NX12K78 Figure 1 3 Al1 signal filtering 2 2 11 Al2 signal selection Connect the Al2 signal to the analogue input of your choice with this parameter See par 2 2 5 for the value setting procedure 2 2 12 Al2 signal range 0 Signal range 0 20 mA 1 Signal range 4 20 mA Note The selections have no effect if par 2 2 13 gt 0 or par 2 2 14 lt 100 2 2 13 Al2 custom minimum 2 2 14 Al2 custom maximum These parameters allow you to scale the input current signal between 0 and 20 mA Cf parameters 2 2 7 and 2 2 8 2 2 15 Analogue input Al2 signal inversion See corresponding parameter 2 2 9 Page 28 68 Description of p
27. 505 1 Flying start 2 Conditional Flying start 0 Coasting P2 1 15 12 Stop function 0 1 506 1 Ramp WEE 0 Not used P2 1 15 13 U f optimisation 0 1 109 1 Automatic torque boost 0 Al1 1 Al2 2 Keypad reference P2 1 15 14 I O reference 0 5 117 3 Fieldbus reference FBSpeedReference 4 Motor potentiometer 5 Al1 Al2 selection Not used if Al2 Custom min lt gt 0 or Al2 custom max lt gt 100 P2 1 15 15 Al2 signal range 1 4 390 1 0 20 mA 2 4 20 mA 3 0V 10V 4 2V 10V Start mode where Trip Free Output Switching is enabled recommended to be used with all pump and fan applications Default values if Start up wizard has not been used Look Figure 7 3 on page 54 from NXL HVAC amp Compact User Manual or NXL HVAC DRIVE Quick Guide to see the values with different modes in wizard Page 8 68 Analogue output P2 1 15 16 fiction P2157 DIN2 function P2158 DING function P2 1 19 Preset speed 1 P2 1 20 Preset speed 2 P2 1 21 Automatic restart Parameter P2 1 22 once Table 1 5 Basic parameters P2 1 15 0 00 0 00 12 10 17 Par 2 1 2 Par 2 1 2 1 HVAC Application Parameter lists 307 319 301 105 106 731 115 Honeywell O Not used 1 Output freq O fmax 2 Freq reference 0 fmax 3 Motor speed 0 Motor nominal speed 4 Output current 0 InMotor 5 Motor torque O Tnotor 6 Motor power
28. Analogue input range selection signal scaling inversion and filtering Frequency limit supervision Programmable start and stop functions DC brake at start and stop Prohibit frequency area Programmable U f curve and U f optimisation Adjustable switching frequency Autorestart function after fault Protections and supervisions all fully programmable off warning fault Current input fault External fault Output phase Under voltage Earth fault Motor thermal stall and underload protection Thermistor Fieldbus communication Option board Page 4 68 Control I O Honeywell 2 Control I O Reference potentiometer Terminal Signal Description eet aol a 10Vret Reference output Voltage for potentiometer etc 2 Al1 Analogue input voltage range Voltage input frequency reference ee aAa 0 10V DC Can be programmed as DIN4 Le e e 3 Al1 UO Ground Ground for reference and controls 4 Al2 Analogue input voltage range Current input frequency reference 5 Al2 0 10V DC or current range programmable 0 4 20mA pra Pa ae 6 24V Control voltage output Voltage for switches etc max 0 1 A eee 7 GND UO ground Ground for reference and controls Pears oe a E 8 DIN1 Start forward Contact closed start forward d ot Gate E 9 DIN2 Start reverse programmable Contact closed start reverse eee EEN 10 DINS Multi ste
29. NXL Series Inverters Honeywell NXL HVAC APPLICATION MANUAL Programming manual for NXL HVAC drives Page 2 68 Index Honeywell INDEX T INTRODUCTION REN PE ee ue ELO EE 3 HVAC APPLICATION TE d EE 3 1 Monitoring values Control keypad menu MI 5 3 2 HVAC parameters Control keypad Menu P2 gt P2 1 viittcccccccccccccsessteeeeeeeeeeeeennnees 6 3 3 Basic parameters Control keypad Menu P2 gt P2 1 15 n ssssssssssssnsnnnsnnesnnnnnnnenne 7 3 4 Input signals Control keypad Menu PD33aPp l 9 3 5 Output signals Control keypad Menu P3aP l 11 3 6 Drive control parameters Control keypad Menu P2 aP Al 12 3 7 Prohibit frequency parameters Control keypad Menu P2 gt P2 5 cccccccccccceceees 12 3 8 Motor control parameters Control keypad Menu P2 aAP el 13 3 9 Protections Control keypad Menu P2 aAP Al 14 3 10 Autorestart parameters Control keypad Menu PD33AP3 15 3 11 PID reference parameters Control keypad Menu P3ap2Ol 15 3 12 Pump amp Fan Cascade control parameters Control keypad Menu P2 gt P2 10 e 3 13 Keypad control Control keypad Menu kl 17 3 14 System menu Control keypad Menu Se 17 3 15 Expander boards Control keypad Menu E 17 4 ESETE UGEREEST 18 4 1 AVAC PARAMETER S EE 18 4 2 BASIC PARAMETERS ccixssnoneaensnsrconisosnsnynenensasnsnn besenaie neaubamenemenionvens hemedanenionvenshenens 20 4 3 INPUT SIGNALS EE EEN 25 44 el EE TEE 29 AS DAIVE ICON TROL ege Geen 33 4 6 ENEE 37 4 7 MOTO
30. Preset speed 1 Parameter values are automatically limited between the minimum and maximum frequencies par 2 1 1 and 2 1 2 Equal to parameter 2 1 13 in HVAC parameter group Changing this parameter automatically changes this as well Preset speed 2 Parameter values are automatically limited between the minimum and maximum frequencies par 2 1 1 and 2 1 2 Automatic restart function The automatic restart is taken into use with this parameter 0 Disabled 1 Enabled 3 automatic restarts see par 2 8 1 2 8 3 Equal to parameter 2 1 10 in HVAC parameter group Changing this parameter automatically changes this as well Honeywell Description of parameters Page 25 68 4 3 INPUT SIGNALS 2 2 1 Expander board DIET function This parameter has 12 selections If the expander board digital input DIN1 need not be used set the parameter value to 0 Selections are as in parameter 2 1 15 18 except 13 Interlock 1 2 2 2 Expander board DIE2 function The selections are the same as in parameter 2 2 1 except 13 Interlock 2 2 2 3 Expander board DIE3 function The selections are the same as in parameter 2 2 1 except 13 Interlock 3 2 2 4 DIN4 Function If the value of par 2 2 6 is set to 0 Al1 functions as digital input 4 The selections are the same as in parameter 2 2 3 NOTE If you program the analogue input as DIN4 check that the jumper selections are correct see figure below MF2 MF3 MF4 6 X4 X4 X8
31. R GON EE 38 4 8 PROTECTIONS wiainzactnesistaicaescids a a a E a R A R a 41 4 9 AUTO RESTART EE Eeer ebe 49 4 10 PID REFERENCE PARAMETERS Eeer 50 4 11 PUMP AND FAN CASCADE CONTROL oseisssisssicssiacsicosiessinacinesivonescieaieesiensaes 56 4 12 KEYPAD CONTROL PARAMETERS EE 65 5 CONTROL SIGNAL LOGIC IN HVAC EECHER EE 66 6 NXL HVAC PID CONTROL BASIC SETUP EE 67 HVAC Application Software ALF1Q105 Ver 2 09 Honeywell Introduction Page 3 68 HVAC Application 1 Introduction The HVAC Application for NXL uses direct frequency reference from the analogue input 1 as a default In this way and with the help of start up wizard the basic commissioning of Honeywell NXL HVAC drive has been made extremely simple Basic case with analogue input control with 0 10V or 4 20 mA signal like the case is with most HVAC applications the programming of this product can be done in less than 30 seconds However for more complicated applications advanced features are available This application manual offers the user to do more things than just the standard setup allows like PID controller can be used e g in pump and fan applications which offers versatile internal measuring and adjusting functions This means that external devices are not necessary When the drive is commissioned the only visible parameter group is B2 1 HVAC parameters The special parameters can be browsed and edited after changing the value of par 2 1 14 Parameter conceal The
32. Stop state 507 o 504 0 DC brake is off at stop s 0 DC brake is off at start 0 Off psig 3 7 Prohibit frequency parameters Control keypad Menu P2 gt P2 5 Parameter range 1 low limit Prohibit frequency range 1 high limit Prohibit frequencies acc dec ramp scaling Table 1 9 Prohibit frequency parameters P2 5 Min 0 0 0 0 0 1 Max Par 2 5 2 Par 2 1 2 10 0 Unit Hz Hz Times i Default 0 0 0 0 Cust ID Multiplier of the currently selected ramp time between prohibit frequency limits 518 Honeywell HVAC Application Parameter lists Page 13 68 3 8 Motor control parameters Control keypad Menu P2 gt P2 6 Parameter Motor control mode U f ratio selection Field weakening point Voltage at field weakening point U f curve midpoint frequency U f curve midpoint voltage Output voltage at zero frequency Switching frequency Overvoltage controller Undervoltage controller Identification Hz K Hz kHz i Default 0 50 00 100 00 50 00 Cust ID 800 Speed contr 1 Speed control O Linear 1 Squared 2 Programmable 3 Linear with flux optim 108 602 nN X Unmo 605 Parameter max value par 2 6 4 nN X Unmo 601 1 Used 0 Not used O No action 607 608 31 6 Page 14 68 Code Parameter Response to 4mA pat reference fault GER R
33. ar 2 1 15 18 The control of pump 1 par 2 3 1 17 is enabled through Interlock 1 DIN2 P2 1 15 17 the control of pump 2 par 2 3 2 18 through Interlock 2 par 2 1 15 18 13 Reference potentiometer Terminal Signal a a eee a 10Vier Reference output anes 2 Ali Voltage input frequency reference DIN4 MEE oa eS Se 3 A1 VO Ground Al2 PID Actual value Al2 24V Control voltage output l 7 GND UO ground L Oe i aa 2 8 DNI START Ee Ae EE 9 DIN2 Interlock 1 par 2 1 15 17 10 EH Ee 10 DIN3 Interlock 2 par 2 1 15 18 13 11 GND UO ground a 18 AO1 Output frequency 19 AO1 Analogue output A RS 485 Serial bus B RS 485 Serial bus Kee 21 RO1 Autochange 1 Pump 1 control eee Sie ee en ee 22 RO1 ae par 2 3 1 17 SE 23 BO eh Standard UO expansion X4 TEE 12 24V Control voltage output max 150 mA ee 13 GND Ground for controls e g for 24V and DO oe SSS SSS SS 14 DIE1 Preset speed 2 par 2 2 1 7 Ka e SE 15 DES Fault reset par 2 2 2 4 eee See 16 DIE3 Disable PID Freq reference from Al1 par 2 2 3 11 X2 Ge A It CT 25 ROE1 Autochange 2 Pump 2 control par 2 3 2 18 Jl COM ES SE e S 26 ROE1 NO lt 28 Ti Motor Thermistor input 29 Tl Active Fault stop according to defined method Table 1 19 Example of PFC control I O configuration with interlocks and autoc
34. arameters Honeywell 2 2 16 Analogue input Al2 signal filter time See corresponding parameter 2 2 10 2 2 17 Motor potentiometer memory reset Frequency reference 0 No reset 1 Memory reset in stop and power down 2 Memory reset in power down 2 2 18 Reference scaling minimum value 2 2 19 Reference scaling maximum value You can choose a scaling range for the frequency reference between the Minimum and Maximum frequency If no scaling is desired set the parameter value to 0 In the figures below voltage input Al1 with signal range 0 10V is selected for reference 4 Output A Output frequency frequency Max freq par 2 1 2 _ _Max freq par 2 1 2 4 d Par 2 2 19 Par 2 2 18 5 E Analogue g Analogue Min freq par 2 1 1 input T Min freq par 2 1 1 input k gt 1 gt 0 0 NX12K35 Figure 1 4 Left Par 2 2 18 0 No reference scaling Right Reference scaling 2 2 20 Keypad frequency reference selection Defines the selected reference source when the drive is controlled from the keypad Al1 reference by default Al1 terminals 2 and 3 e g potentiometer Al2 reference by default Al2 terminals 5 and 6 e g transducer Keypad reference parameter 3 2 Reference from Fieldbus FBSpeedReference Motor potentiometer reference P D controller reference OD P OM ch CH 2 2 21 Fieldbus frequency reference selection Defines the selected reference source when the drive is controlled from
35. arting and stopping order of drives controlled by the pump and fan automatics to be changed at desired intervals The drive controlled by frequency converter can also be included in the automatic changing and locking sequence par 2 10 4 The Autochange function makes it possible to equalize the run times of the motors and to prevent e g pump stalls due to too long running breaks e Apply the Autochange function with parameter2 10 4 Autochange e The autochange takes place when the time set with parameter 2 10 5 Autochange interval has expired and the capacity used is below the level defined with parameter 2 10 7 Autochange frequency limit e The running drives are stopped and re started according to the new order e External contactors controlled through the relay outputs of the frequency converter connect the drives to the frequency converter or to the mains If the motor controlled by the frequency converter is included in the autochange sequence it is always controlled through the relay output activated first The other relays activated later control the auxiliary drives This parameter is used to activate the interlock inputs Values 3 amp 4 The interlocking signals come from the motor switches The signals functions are connected to digital inputs which are programmed as interlock inputs using the corresponding parameters The pump and fan control automatics only control the motors with active interlock data e If the interlock of a
36. ating plate of the motor This parameter sets the field weakening point parameter 2 6 3 to the same value 2 1 13 Preset speed 1 Parameter values are automatically limited between the minimum and maximum frequencies par 2 1 1 and 2 1 2 2 1 14 Parameter conceal With this parameter you can hide all other parameter groups except the HVAC parameter group B2 1 Note The factory default of this parameter is 1 i e all parameter groups except b2 1 have been hidden The other parameter groups cannot be browsed or edited before the value of this parameter is set to 0 0 Disabled all parameter groups can be browsed with the keypad 1 Enabled only the HVAC parameters B2 1 can be browsed with the keypad Page 20 68 Description of parameters Honeywell 4 2 BASIC PARAMETERS This parameter group is only shown if parameter conceal P2 1 14 is deactivated This group provides the Basic parameters in the sub group 2 1 15 exactly in the same order as Basic Group 2 1 in NXL Compact or the standard NXL range Changing a parameter which exists in both HVAC and Basic group is automatically changed in the other as well 2 1 15 1 2 1 15 2 Minimum maximum frequency Defines the frequency limits of the frequency converter The maximum value for parameters 2 1 15 1 and 2 1 15 2 is 320 Hz The software will automatically check the values of parameters 2 1 13 2 1 15 19 2 1 15 20 2 3 13 2 5 1 2 5 2 and 2 6 5 Equal to parameters 2 1 1 a
37. ation and deceleration ramp can be smoothed with this parameter Setting value 0 gives a linear ramp shape which causes acceleration and deceleration to act immediately to the changes in the reference signal Setting value 0 1 10 seconds for this parameter produces an S shaped acceleration deceleration The acceleration time is determined with parameters 2 1 3 2 1 4 Figure 1 10 Acceleration Deceleration S shaped 2 1 3 2 1 4_ t gt NX12K20 2 4 2 Brake chopper Note An internal brake chopper is installed in all other sizes but MF2 0 No brake chopper used 1 Brake chopper used in Run state 3 Used in Run and Stop state When the frequency converter is decelerating the motor the inertia of the motor and the load are fed into an external brake resistor This enables the frequency converter to decelerate the load with a torque equal to that of acceleration provided that the correct brake resistor has been selected See separate Brake resistor installation manual 2 4 3 DC braking current Defines the current injected into the motor during DC braking Page 34 68 Description of parameters Honeywell 2 4 4 DC braking time at stop Determines if braking is ON or OFF and the braking time of the DC brake when the motor is stopping The function of the DC brake depends on the stop function parameter 2 1 9 0 DC brake is not used gt 0 DC brake is in use and its function depends on the Stop function par 2 1
38. cause of mechanical resonance problems With these parameters it is possible to set a limit for the skip frequency region See Figure 1 14 Reference Hz gt NX12K33 Figure 1 14 Prohibit frequency area setting 2 5 3 Acceleration deceleration ramp speed scaling ratio between prohibit frequency limits Defines the acceleration deceleration time when the output frequency is between the selected prohibit frequency range limits parameters 2 5 1 and 2 5 2 The ramping time selected acceleration deceleration time 1 or 2 is multiplied with this factor E g value 0 1 makes the acceleration time 10 times shorter than outside the prohibit frequency range limits Figure 1 15 Ramp time scaling between prohibit frequencies fout Hz Par 2 5 3 0 2 Par 2 5 2 Par 2 5 1 i Par 2 5 3 1 2 Time s nxik37 fh8 Page 38 68 Description of parameters Honeywell 4 7 MOTOR CONTROL 2 6 1 Motor control mode 0 Frequency control The I O terminal and keypad references are frequency references and the frequency converter controls the output frequency output frequency resolution 0 01 Hz 1 Speed control The I O terminal and keypad references are speed references and the frequency converter controls the motor speed accuracy 0 5 2 6 2 U f ratio selection Linear The voltage of the motor changes linearly with the frequency in the constant 0 flux area from 0 Hz to the field weakening point where
39. cy has reached the set reference Overvoltage or overcurrent regulator was activated The output frequency goes outside the set supervision low limit high limit see parameters 2 3 12 and 2 3 13 below Selected control place Menu K3 par 3 1 is I O terminal The thermistor input of option board indicates overtemperature Fault or warning depending on parameter 2 7 19 Parameters 2 7 22 2 7 24 Pump 1 control parameters 2 10 1 2 10 7 Pump 2 control parameters 2 10 1 2 10 7 Pump 3 control parameters 2 10 1 2 10 7 The relay energizes according to settings of parameters 2 3 14 2 3 16 Table 1 16 Output signals via RO1 and expander board RO1 RO2 and DOT Analogue output function This parameter selects the desired function for the analogue output signal See the table on page 8 for the parameter values Page 30 68 Description of parameters Honeywell 2 3 6 Analogue output filter time Defines the filtering time of the analogue output signal If you set value 0 for this parameter no filtering takes place Unfiltered signal t s gt NX12K16 Figure 1 5 Analogue output filtering 2 3 7 Analogue output invert Inverts the analogue output signal Maximum output signal 0 Minimum output signal Maximum set value parameter 2 3 9 0 Not inverted 1 Inverted See parameter 2 3 9 below Figure 1 6 Analogue output invert 2 3 8 Analogue output minim
40. detection The stall time is counted A Stalltimeigounter by an internal up down counter l If the stall time counter value goes above this Par 27 13 limit the protection will cause a trip see Figure 1 21 part Figure 1 21 Stall time Stall count No stall 2 7 14 Maximum stall frequency The frequency can be set between 1 f par 2 1 2 For a stall event to occur the output frequency must have remained below this limit Page 46 68 Description of parameters Honeywell Parameters 2 7 15 2 7 18 Underload protection General The purpose of the motor underload protection is to ensure that there is load on the motor when the drive is running If the motor loses its load there might be a problem in the process e g a broken belt or a dry pump Motor underload protection can be adjusted by setting the underload curve with parameters 2 7 16 Field weakening area load and 2 7 17 Zero frequency load see below The underload curve is a squared curve set between the zero frequency and the field weakening point The protection is not active below 5Hz the underload time counter is stopped The torque values for setting the underload curve are set in percentage which refers to the nominal torque of the motor The motor s name plate data the parameter Motor nominal current and the drive s nominal current _ are used to find the scaling ratio for the internal torque value If other than nominal motor is used with the drive the
41. eafter the output frequency will be increased decreased to the set reference value according to the set acceleration deceleration parameters Use this mode if the motor is coasting when the start command is given With the flying start it is possible to ride through short mains voltage interruptions Conditional Flying start 2 With this mode it is possible to disconnect and connect the motor from the frequency converter even when the START command is active On re connecting the motor the drive will operate as described mode 1 flying start This function is also called Trip Free Output Switching Honeywell Description of parameters Page 19 68 2 1 9 Stop function Coasting 0 The motor coasts to a halt without control from the frequency converter after the Stop command Ramp 1 After the Stop command the speed of the motor is decelerated according to the set deceleration parameters If the regenerated energy is high it may be necessary to use an external braking resistor for faster deceleration 2 1 10 Automatic restart function The automatic restart is taken into use with this parameter 0 Disabled 1 Enabled 3 automatic restarts see par 2 8 1 2 8 3 2 1 11 Nominal voltage of the motor Find this value U on the rating plate of the motor This parameter sets the voltage at the field weakening point parameter 2 6 4 to 100 x U nmotor 2 1 12 Nominal frequency of the motor Find this value f on the r
42. ed and confirm with ENTER Select motor nominal current and confirm with ENTER 2 Full view of parameters e P2 1 14 Parameter Conceal Set to 0 not in use 3 Control Signal Settings e For Volt sensor signal use Analogue Input 1 Al1 0 10V_ Default no settings needed 2 10V P2 2 6 Ali signal range Set to 4 e For milliamp sensor signal use Analogue Input 2 Al2 4 20 mA Default no settings needed 0 20 mA P2 2 12 Al2 signal range Setto 1 4 PID e PID settings P2 9 1 PID activation Set to 1 activate P2 9 2 PID reference no external reference Set to 2 value from keypad external reference Set to 0 Al1 or 1 Al2 e Where is the sensor connected P2 9 3 Actual value input Set to 0 Al1 or 1 Al2 e PID reference set point Note Only apply if not using external reference from controller P3 5 PID reference value Set point value in percentage set point minimum span x 100 for example set point is 3 2 bars the sensor span is 0 5 bar 3 2 divided by 5 is 0 64 the value to set in P3 5 is thus 64 Note Only one function per input If there is a need to change mA input to V input or vice versa please see instructions in the NXL HVAC amp Compact User Manual Find out more For more information on Honeywell s frequency converters and other Honeywell products visit us online at http ecc emea honeywell com Automation and Control Solutions Honeywell GmbH B blinger Str 17 71101 Sch naich
43. erating switching the frequency converter to Run state when the actual value signal either falls below or exceeds see par 2 9 13 the Wake up level determined by parameter 2 9 12 See Figure 1 29 Sleep delay The minimum amount of time the frequency has to remain below the Sleep level before the frequency converter is stopped See Figure 1 29 Wake up level The wake up level defines the frequency below which the actual value must fall or which has to be exceeded before the Run state of the frequency converter is restored See Figure 1 29 Wake up function This parameter defines if the restoration of the Run state occurs when the actual value signal falls below or exceeds the Wake up level par 2 9 12 See Figure 1 29 Actual value Wake up level param 2 9 12 Output frequency param 2 9 10 Start Stop status of running the var speed drive stop NX12k56 Figure 1 29 Frequency converter sleep function Honeywell Description of parameters Page 55 68 Description Wake up happens imi i Actual value signal when actual value i goes below the limit of the maximum actual value Par 2 9 12 30 time Actual value signal Wake up happens e limit defined when actual value ith parameter exceeds the 9 12 isin limit percent of the maximum Par 2 9 12 60 actual value Actual value signal Wake up happens when actual value goes below the limit reference 50 Par 2 9 12 60 limit 60 reference 30 Act
44. erter remains the same Therefore mains contactor is needed for one auxiliary drive only Aux drive 1 Aux drive 2 ae Figure 1 35 Autochange applied to auxiliary drives only vuorotl fh8 NX12k96 f h8 Honeywell Description of parameters Page 63 68 2 Autochange with frequency converter and auxiliary pumps The drive controlled by the frequency converter is included in the automatics and a contactor is needed for each drive to connect it to either the mains or the frequency converter auxiliary auxiliary connection connection NX12k97 fh8 Drive 1 Drive 2 Figure 1 36 Autochange with all drives 3 Autochange and interlocks only auxiliary pumps The drive controlled by the frequency converter remains the same Therefore mains contactor is needed for one auxiliary drive only Interlocks for autochange outputs 1 2 3 or DIE1 2 3 can be selected with par 2 1 15 17 and 2 1 15 18 4 Autochange and interlocks Freq conv amp aux pumps The drive controlled by the frequency converter is included in the automatics and a contactor is needed for each drive to connect it to either the mains or the frequency converter DIN 1 is automatically interlock for Autochange output 1 Interlocks for Autochange output 1 2 3 or DIE1 2 3 can be selected with par 2 1 15 17 and 2 1
45. esponse to external fault Response to Pe undervoltage fault Output phase P2 7 4 os supervision P2 7 5 Earth fault protection P276 Thermal protection of the motor P27 7 Motor ambient temperature factor P27 8 Motor cooling factor at zero speed Min Pes 100 0 100 0 o P27 9 Motor thermal time constant P2 7 10 P2 7 11 P2 7 12 P2 7 13 P2 7 14 P2 7 15 P2 7 16 Motor duty cycle Stall protection Stall current limit Stall time limit Stall frequency limit Underload protection zero frequency protection time limit thermistor fault Response to fieldbus fault Response to slot fault P2 7 18 P2 7 19 P2 7 20 P2 7 21 P2 7 22 Actual value supervision P2 7 23 Actual value supervision limit P2 7 24 Actual value supervision delay P2 7 25 4mA fault frequency Underload curve at nominal frequency 1 200 o JI 100 o 3 120 00 P 2 1 2 o 3 10 0 150 0 2 00 600 00 3 3 100 0 3600 50 00 A Table 1 11 Protections G2 7 Max Unit 3 3 5 n HVAC Application Parameter lists 3 9 Protections Control keypad Menu P2 gt P2 7 Default 40 0 A oa 100 Inmotor x1 3 15 00 25 0 50 0 10 0 20 00 10 0 50 00 ag ID 700 701 727 702 703 704 705 706 715 716 732 733 734 735 736 737
46. hange between 2 pumps Honeywell Description of parameters Page 61 68 230 VAC Autom D Mains Autom D Mains kit M1 NXL Mi mains NX12k107 ds4 Figure 1 34 Example of 2 pump autochange main diagram Page 62 68 Description of parameters Honeywell 4 11 3 Description of Pump and Fan Cascade control parameters 2 10 1 2 10 2 2 10 3 2 10 4 Number of auxiliary drives With this parameter the number of auxiliary drives in use will be defined The functions controlling the auxiliary drives parameters 2 10 4 to 2 10 7 can be programmed to relay outputs Start delay of auxiliary drives The frequency of the drive controlled by the frequency converter must remain above the maximum frequency for the time defined with this parameter before the auxiliary drive is started The delay defined applies to all auxiliary drives This prevents unnecessary starts caused by momentary start limit exceedings Stop delay of auxiliary drives The frequency of the drive controlled by the frequency converter must remain below the minimum frequency for the time defined with this parameter before the drive is stopped The delay defined applies to all auxiliary drives This prevents unnecessary stops caused by momentary falls below the stop limit Automatic changing between drives 0 Not used 1 Autochange with aux pumps The drive controlled by the frequency conv
47. he bigger the motor the bigger the time constant The time constant is the time within which the calculated thermal model has reached 63 of its final value The motor thermal time is specific to the motor design and it varies between different motor manufacturers If the motor s t6 time t6 is the time in seconds the motor can safely operate at six times the rated current is known given by the motor manufacturer the time constant parameter can be set basing on it As a rule of thumb the motor thermal time constant in minutes equals to 2xt6 If the drive is in stop state the time constant is internally increased to three times the set parameter value The cooling in the stop state is based on convection and the time constant is increased See also Figure 1 19 Note If the nominal speed par 2 1 7 or the nominal current par 2 1 6 of the motor are changed this parameter is automatically set to the default value 45 Page 44 68 Description of parameters Honeywell A Motor temperature Motor current Time constant T Motor temperature 1 17 x 1 et1 Time gt Changes by motor size and adjusted with parameter 2 7 9 NX12k82 Figure 1 19 Motor temperature calculation 2 7 10 Motor thermal protection Motor duty cycle Defines how much of the nominal motor load is applied The value can be set to 0 100 Parameter 2 7 11 Stall protection General The motor stall protection
48. his example the PID controller operates practically as ID controller only According to the given value of parameter 2 9 5 I time the PID output increases by 5 Hz 10 of the difference between the maximum and minimum frequency every second until the error value is 0 I Part 5 Hz s l Part 5 Hz s NX12k70 PID output Error value Figure 1 25 PID controller function as I controller Example 2 Given values Par 2 9 4 P 100 Par 2 9 5 l time 1 00 s Par 2 9 6 D time 1 00 s Error value setpoint process value 10 PID max limit 100 0 PID min limit 0 0 Min freq 0 Hz Max freq 50 Hz Page 52 68 Description of parameters Honeywell As the power is switched on the system detects the difference between the setpoint and the actual process value and starts to either raise or decrease in case the error value is negative the PID output according to the I time Once the difference between the setpoint and the process value has been reduced to 0 the output is reduced by the amount corresponding to the value of parameter 2 9 5 In case the error value is negative the frequency converter reacts reducing the output correspondingly PID output Error value P part 5 Hz 3 Error 10 Error 10 P part 5 Hz NX12k69 Figure 1 26 PID output curve with the values of Example 2 Example 3 Given values Par 2 9 4 P 100 PID max limit 100 0 Par 2 9 5 Lime 0 00 s
49. meter defines the middle point voltage of the curve See Figure 1 17 Output voltage at zero frequency This parameter defines the zero frequency voltage of the curve See Figure 1 17 Switching frequency Motor noise can be minimised using a high switching frequency Increasing the switching frequency reduces the capacity of the frequency converter unit Switching frequency for NXL 1 16 kHz Overvoltage controller Undervoltage controller These parameters allow the under overvoltage controllers to be switched out of operation This may be useful for example if the mains supply voltage varies more than 15 to 10 and the application will not tolerate this over undervoltage This regulator controls the output frequency taking the supply fluctuations into account Note Over undervoltage trips may occur when controllers are switched out of operation 0 Controller switched off 1 Controller switched on Identification 0 No action 1 ID no run When ID no run is selected the drive will perform an ID run when it is started from selected control place Drive has to be started within 20 seconds otherwise identification is aborted The drive does not rotate the motor during ID no run When ID run is ready the drive is stopped Drive will start normally when the next start command is given The ID run improves the torque calculations and the automatic torque boost function It will also result in a better slip compensation in s
50. n 3 The frequency converter starts to search for the minimum motor current and in order to save energy lower the disturbance level and the noise Can be used in applications with constant motor load such as fans pumps etc 2 6 3 Field weakening point The field weakening point is the output frequency at which the output voltage reaches the set maximum value 2 6 4 Voltage at field weakening point Above the frequency at the field weakening point the output voltage remains at the set maximum value Below the frequency at the field weakening point the output voltage depends on the setting of the U f curve parameters See parameters 2 1 15 13 2 6 2 2 6 5 2 6 6 and 2 6 7 and Figure 1 17 When the parameters 2 1 11 and 2 1 12 nominal voltage and nominal frequency of the motor are set the parameters 2 6 3 and 2 6 4 are automatically given the corresponding values If you need different values for the field weakening point and the maximum output voltage change these parameters after setting the parameters 2 1 11 and 2 1 12 2 6 5 U f curve middle point frequency If the programmable U f curve has been selected with parameter 2 6 2 this parameter defines the middle point frequency of the curve See Figure 1 17 Page 40 68 Description of parameters Honeywell 2 6 6 2 6 7 2 6 8 2 6 9 2 6 10 2 6 11 U f curve middle point voltage If the programmable U f curve has been selected with the parameter 2 6 2 this para
51. n auxiliary drive is inactivated and another unused auxiliary drive available the latter will be put to use without stopping the frequency converter e If the interlock of the controlled drive is inactivated all motors will be stopped and re started with the new set up Honeywell Description of parameters Page 57 68 e If the interlock is re activated in Run status the automatics will stop all motors immediately and re start with a new set up Example P1 gt P3 gt P2 LOCKED gt STOP gt P1 gt P2 gt P3 See Chapter 4 11 2 Examples Parameter 2 10 5 Autochange interval After the expiry of the time defined with this parameter the autochange function takes place if the capacity used lies below the level defined with parameters 2 10 7 Autochange frequency limit and 2 10 6 Maximum number of auxiliary drives Should the capacity exceed the value of par 2 10 7 the autochange will not take place before the capacity goes below this limit e The time count is activated only if the Start Stop request is active e The time count is reset after the autochange has taken place or on removal of Start request Parameters 2 10 6 Maximum number of auxiliary drives and 2 10 7 Autochange frequency limit These parameters define the level below which the capacity used must remain so that the autochange can take place This level is defined as follows e If the number of running auxiliary drives is smaller than the value of pa
52. nd 2 1 2 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 3 2 1 15 4 Acceleration time 1 deceleration time 1 These limits correspond to the time required for the output frequency to accelerate from the zero frequency to the set maximum frequency par 2 1 2 and 2 1 15 2 Equal to parameters 2 1 3 and 2 1 4 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 5 Current limit This parameter determines the maximum motor current from the frequency converter To avoid motor overload set this parameter according to the rated current of the motor The current limit is equal to the rated converter current IL by default Equal to parameter 2 1 5 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 6 Nominal voltage of the motor Find this value LU on the rating plate of the motor This parameter sets the voltage at the field weakening point parameter 2 6 4 to 100 x U nmotor Equal to parameter 2 1 11 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 7 Nominal frequency of the motor Find this value f on the rating plate of the motor This parameter sets the field weakening point parameter 2 6 3 to the same value Equal to parameter 2 1 12 in HVAC parameter group Changing this parameter automatically changes this as well Honeywell Description of parameters Page 21 68
53. or current Motor power Al1 Al2 Actual 1 Actual 2 NOo RON ch PID controller gain This parameter defines the gain of the PID controller If the value of the parameter is set to 100 a change of 10 in the error value causes the controller output to change by 10 If the parameter value is set to 0 the PID controller operates as D controller See examples below PID controller Lime This parameter defines the integration time of the PID controller If this parameter is set to 1 00 second a change of 10 in the error value causes the controller output to change by 10 00 s If the parameter value is set to 0 00 s the PID controller will operate as PD controller See examples below PID controller D time The parameter 2 9 5 defines the derivation time of the PID controller If this parameter is set to 1 00 second a change of 10 in the error value during 1 00 s causes the controller output to change by 10 00 If the parameter value is set to 0 00 s the PID controller will operate as PI controller See examples below Description of parameters Example 1 Page 51 68 In order to reduce the error value to zero with the given values the frequency converter output behaves as follows Given values Par 2 9 4 P 0 Par 2 9 5 l time 1 00 s Par 2 9 6 D time 0 00 s PID max limit 100 0 PID min limit 0 0 Min freq 0 Hz Error value setpoint process value 10 00 Max freq 50 Hz In t
54. p speed selection 1 Contact closed multi step speed S programmable 11 GND UO ground Ground for reference and controls 18 AO1 Output frequency Programmable D 19 AO1 Analogue output Range 0 20 mA R max 500Q A RS 485 Serial bus Differential receiver transmitter B RS 485 Serial bus Differential receiver transmitter 30 24V 24V aux input voltage Control power supply backup 21 RO1 Relay output 1 Programmable 22 RO1 SE FAULT 23 RO1 i 12 24V 24 V DC Control voltage output voltage for ae switches etc I 13 GND UO ground Ground for reference and controls GE a EG 14 DIE1 Preset speed selection 2 Contact closed Preset speed 2 a programmable Be s a 15 DIE2 Fault Reset Contact closed Fault reset programmable l 16 DIE3 Disable PID PID control Contact closed Disable PID L P See ee selection Programmable 25 ROE1 Expander Relay output 1 NO Programmable 26 ROE1 RUN 28 Tu Motor Thermistor input Active Fault stop according to defined 29 Tl method Table 1 1 HVAC application default I O configuration AN Terminal Signal Description FENY EES 1 10Vrei Reference output Voltage for potentiometer etc 2 Al1 Analogue input voltage range Voltage input frequency reference MF2 3 In or 0 10V DC Voltage current input frequency reference DIN 4 MF4 MF6 Can be programmed as DIN4 3 Al1 UO Ground Ground for reference and controls 4 Al2 Analogue in
55. pad is the active control place 1 Reverse The rotation of the motor is reversed when the keypad is the active control place For more information see NXL HVAC amp Compact User Manual Chapter 7 4 3 3 Stop button activated If you wish to make the Stop button a hotspot which always stops the drive regardless of the selected control place give this parameter the value 1 default See NXL HVAC amp Compact User Manual Chapter 7 4 3 See also parameter 3 1 PID reference 1 The PID controller keypad reference can be set between 0 and 100 This reference value is the active PID reference if parameter 2 9 2 2 PID reference 2 The PID controller keypad reference 2 can be set between 0 and 100 This reference is active if the DIN function 12 and the DIN contact is closed Page 66 68 Control signal logic in HVAC Application Honeywell 5 Control signal logic in HVAC Application BINS Gh Exp DIE1 Preset speed Preset speed Disable PID DIN3 amp Exp DIE1 2 1 2 Max frequency DINS 2 1 20 Preset speed 1 Exp DIE1 2 1 21 Preset speed 2 Enable PID keypad ref 2 DIN 12 Pup DIES DEE 2 21 Fieldbus Ctr Reference 2 2 20 Keypad Crt Reference 2 1 14 I O Reference DIN2 Motor DIN3 potentiomete Al1 2 9 2 PID reference Al2 ei Exp DIE2 P3 5 PID keypad refer ieldbus FBProcessDa
56. peed control more accurate RPM Honeywell Description of parameters Page 41 68 4 8 PROTECTIONS 2 7 1 Response to 4mA reference fault 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting 4 Warning Run at preset speed according to parameter 2 7 25 A warning or a fault action and message is generated if the 4 20 mA reference signal is used and the signal falls below 3 5 mA for 5 seconds or below 0 5 mA for 0 5 seconds Setting the parameter to 4 will make the inverter run at preset speed according to parameter 2 7 25 when signal falls below the limits described The information can also be programmed into relay outputs 2 7 2 Response to external fault 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting A warning or a fault action and message is generated from the external fault signal in the programmable digital inputs The information can also be programmed into relay outputs 2 7 3 Response to undervoltage fault 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting For the undervoltage limits see NXL HVAC amp Compact User Manual Table 4 3 Note This protection can not be inactivated 2 7 4 Output phase supervision 0 No response 1 Warning 2 Fault s
57. put 7 L GND UO ground an E 8 DINI START 9 DIN2 Interlock 1 par 2 1 15 17 10 ge at EE 10 DINS Interlock 2 par 2 1 15 18 13 11 GND I O ground ci 18 AQ1 Output frequency a 19 AO1 Analogue output A RS 485 Serial bus B RS 485 Serial bus 21 ROI Relay output 1 22 RO1 O S FAULT 23 RO1 cl Ro H BERCHER NXOPTB5 Ge 22 RO1 1 Autochange 1 Pump 1 control par 2 3 2 17 pe Se ed 23 RO1 2 a 25 RO2 1 Autochange 2 Pump 2 control par 2 3 3 18 Se ee 26 RO2 2 B SEKR 28 RO3 1 Autochange 3 Pump 3 control par 2 3 4 19 29 RO3 2 Table 1 18 Example of PFC control I O configuration with interlocks and autochange between 3 pumps Honeywell Description of parameters Page 59 68 230 VAC 24 VDC kit NX12k106 dsf M1 NXL M1 mains M2 mains M3 NXL M3 mains CH q qd d A q KI Y K VV NX12k104 ds4 Figure 1 32 Example of 3 pump autochange main diagram Page 60 68 Description of parameters Honeywell PFC with interlocks and autochange between 2 pumps Situation 1 controlled drive and 1 auxiliary drive Parameter settings 2 10 1 1 Interlock feedback signals used autochange between pumps used Parameter settings 2 10 4 4 The interlock feedback signals come from the digital input DIN2 par 2 1 15 17 and digital input DINS p
58. put voltage range Voltage or current input frequency 5 Al2 0 10V DC or current range reference 0 20mA 6 24V Control voltage output 7 GND UO ground Ground for reference and controls Table 1 2 The programming of Al1 as DIN4 Honeywell HVAC Application Parameter lists Page 5 68 3 HVAC Application Parameter lists On the next pages you will find the lists of parameters within the respective parameter groups The parameter descriptions are given on pages 18 to 65 Column explanations Code Location indication on the keypad Shows the operator the present param number Parameter Name of parameter Min Minimum value of parameter Max Maximum value of parameter Unit Unit of parameter value given if available Default Value preset by factory Cust Customer s own setting ID ID number of the parameter used with PC tools WE On the parameter code parameter value can only be changed after the FC has been stopped 3 1 Monitoring values Control keypad menu M1 The monitoring values are the actual values of parameters and signals as well as statuses and measurements Monitoring values cannot be edited See NXL HVAC amp Compact User Manual Chapter 7 4 1 page 58 for more information Code Parameter Unit ID Description VII Output frequency Hz 1 Frequency to the motor V1 2 Frequency reference H
59. r Use external cooling for the motor if the temperature tends to rise too high VO Reference selection Defines the selected frequency reference source when the drive is controlled from the I O terminal 0 Al1 reference terminals 2 and 3 e g potentiometer 1 Al2 reference terminals 5 and 6 e g transducer 2 Keypad reference parameter 3 2 3 Reference from Fieldbus FBSpeedReference 4 Motor potentiometer reference Al2 lin signal range 1 Signal range 0 20 mA 2 Signal range 4 20 mA 3 Signal range 0 10V 4 Signal range 2 10V Note The selections have no effect if par 2 2 12 gt 0 or par 2 2 13 lt 100 Analogue output function This parameter selects the desired function for the analogue output signal See the table on page 8 for the parameter values Honeywell Description of parameters Page 23 68 2 1 15 17 DIN2 function This parameter has 9 selections If digital input DIN2 need not be used set the parameter value to 0 1 Start reverse 2 Reverse 3 Stop pulse 4 External fault Contact closed Fault is displayed and motor stopped when the input is active External fault Contact open Fault is displayed and motor stopped when the input is not active 6 Run enable Contact open Start of motor disabled Contact closed Start of motor enabled Coast stop if dropped during RUN 7 Preset speed 2 8 Motor potentiometer UP Contact closed Reference increases until the contact is opened 9 Disable the PID con
60. r even when the START command is active On re connecting the motor the drive will operate as described mode 1 flying start This function is also called Trip Free Output Switching Equal to parameter 2 1 8 in HVAC parameter group Changing this parameter automatically changes this as well Page 22 68 Description of parameters Honeywell 2 1 15 12 Stop function Coasting 0 The motor coasts to a halt without control from the frequency converter after the Stop command Ramp 1 After the Stop command the speed of the motor is decelerated according to the set deceleration parameters If the regenerated energy is high it may be necessary to use an external braking resistor for faster deceleration Equal to parameter 2 1 9 in HVAC parameter group Changing this parameter automatically changes this as well 2 1 15 13 U f optimisation 2 1 15 14 2 1 15 15 2 1 15 16 0 Not used 1 Automatic torque boost The voltage to the motor changes automatically which makes the motor produce sufficient torque to start and run at low frequencies The voltage increase depends on the motor type and power Automatic torque boost can be used in applications where starting torque due to starting friction is high e g in conveyors NOTE In high torque low speed applications it is likely that the motor will overheat If the motor has to run a prolonged time under these conditions special attention must be paid to cooling the moto
61. rameter 2 10 6 the autochange function can take place e If the number of running auxiliary drives is equal to the value of parameter 2 10 6 and the frequency of the controlled drive is below the value of parameter 2 10 7 the autochange can take place e Ifthe value of parameter 2 10 7 is 0 0 Hz the autochange can take place only in rest position Stop and Sleep regardless of the value of parameter 2 10 6 Page 58 68 Description of parameters Honeywell 4 11 2 Examples PFC with interlocks and autochange between 3 pumps the standard I O expansion board must be replaced by NXOPTB5 option board Situation 1 controlled drive and 2 auxiliary drives Parameter settings 2 10 1 2 Interlock feedback signals used autochange between all drives used Parameter settings 2 10 4 4 DIN4 active par 2 2 6 0 The interlock feedback signals come from the digital inputs DIN4 Al1 DIN2 amp DIN3 selected with parameters 2 1 15 17 2 1 15 18 and 2 2 4 The control of pump 1 par 2 3 1 17 is enabled through Interlock 1 DIN2 2 1 15 17 10 the control of pump 2 par 2 3 2 18 through Interlock 2 DIN3 par 2 1 15 18 13 and the control of pump 3 par 2 3 3 19 through Interlock 3 DIN4 Reference potentiometer Terminal Signal ae wrasse 10Vie Reference output Al1 Voltage input frequency reference DIN4 2 wire i e a 1 2 3 Ali IO Ground 4 Al2 PID Actual value Al2 5 6 24V Control voltage out
62. st An internal Par 2 7 18 up down counter counts the accumulated underload time If the underload counter He value goes above this limit the protection will cause a trip according to parameter 2 7 15 If the drive is stopped the underload counter is reset to zero See A Underload time counter Trip area Figure 1 23 Time gt fo IR SE No underl Figure 1 23 Underload time counter function 2 7 19 Response to thermistor fault 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting Setting the parameter to 0 will deactivate the protection 2 7 20 Response to fieldbus fault Set here the response mode for the fieldbus fault if a fieldbus board is used For more information see the respective Fieldbus Board Manual See parameter 2 7 19 2 7 21 Response to slot fault Set here the response mode for a board slot fault due to missing or broken board See parameter 2 7 19 Page 48 68 Description of parameters Honeywell 2 7 22 2 7 23 2 7 24 2 7 25 Actual value supervision function 0 Not used 1 Warning if actual value falls below the limit set with par 2 7 23 2 Warning if actual value exceeds the limit set with par 2 7 23 3 Fault if actual value falls below the limit set with par 2 7 23 4 Fault if actual value exceeds the limit set with par 2 7 23 Actual value supervision limit With
63. t gt 100 1 0 20 mA 2 4 20 mA 3 0V 10V 4 2V 10V O Not inverted 1 Inverted 0 No filtering O No reset 1 Reset if stopped or powered down 2 Reset if powered down 0 Al1 1 Al2 2 Keypad reference 3 Fieldous reference FBSpeedreference 4 Motor potentiometer 5 PID controller See above CP control place cc closing contact oc opening contact Honeywell HVAC Application Parameter lists 3 5 Output signals Control keypad Menu P2 gt P2 3 Code Parameter Relay output 1 Pasi function Expander board relay Ge output 1 function aa Expander board relay output 2 function P2 3 4 Expander board digital output 1 function Analogue output Pe pa ae Analogue output filter time p2 3 7 Analogue output inversion Analogue output P2 3 8 minimum P2 3 9 Analogue output scale Expander board P2 3 10 analogue output 1 function Expander board P2 3 11 analogue output 2 function p2 3 42 Output frequency limit 1 supervision Output frequency limit P2 3 13 1 Supervised value p2 3 14 Analogue input supervision p2 3 15 Al supervision OFF limit P2 3 16 Wl supervision ON limit p2 3 17 Relay output 1 ON delay aan Relay output 1 OFF delay Table 1 7 Output signals P2 3 Min 0 00 0 00 0 00 0 00 0 00 Max 20 20 20 20 100 00 100 00 320 00 320 00 Unit K Default Cust Page 11 68 ID Note 0
64. ta IN 1 R3 2 Keypad referencd eference from Actual value input par 2 9 3 Reference from fieldbus Start Stop from fieldbus 8 1 Control place 1 1 IO 4 Internal Keypad ag EIER ref Fieldbus Reset button Direction from fieldbus Start forward Programmable Start Stop and Start reverse Reverse logic programmable 3 3 Keypad direction Start Stop buttons Internal Start Stop Fault reset input programmable ke Internal reverse k l Internal fault reset gt l c y Figure 1 38 Control signal logic of the HVAC Application Honeywell NXL HVAC PID control Basic setup Page 67 68 6 NXL HVAC PID Control Basic setup This chapter provides basic setup instructions for the user of NXL HVAC inverters when using PID Control in HVAC applications What you need to know Motor nameplate data m Nominal current m Nominal speed Signal sensor specification m Signal type V mA m Range 0 10 2 10 0 20 4 20 m Sensor span Load E V signal to Al1 Pressure IS mA signal to Al2 Sensor O Setpoint Signal V signal to Al1 mA signal to Al2 Variable Frequency Drive a ee rn 1 Run the Start up Wizard Note Running the Start up Wizard resets all parameters to their default values Hold STOP down for 5 seconds Select application type FAN or PUMP and confirm with ENTER Select motor nominal spe
65. top mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting Output phase supervision of the motor ensures that the motor phases have an approximately equal current Page 42 68 Description of parameters Honeywell 2 7 5 Earth fault protection 0 No response 1 Warning 2 Fault stop mode after fault according to parameter 2 1 9 3 Fault stop mode after fault always by coasting Earth fault protection ensures that the sum of the motor phase currents is zero The overcurrent protection is always working and protects the frequency converter from earth faults with high currents Parameters 2 7 6 2 7 10 Motor thermal protection General The motor thermal protection is to protect the motor from overheating The NXL drive is capable of supplying higher than nominal current to the motor If the load requires this high current there is a risk that the motor will be thermally overloaded This is the case especially at low frequencies At low frequencies the cooling effect of the motor is reduced as well as its capacity If the motor is equipped with an external fan the load reduction at low speeds is small The motor thermal protection is based on a calculated model and it uses the output current of the drive to determine the load on the motor The motor thermal protection can be adjusted with parameters The thermal current l specifies the load current above which the motor is overloaded This
66. tput frequency limit 1 supervised value Selects the frequency value supervised by parameter 2 3 12 Figure 1 8 Output frequency supervision Par 2 3 13 Example RO1 22 RO1 23 RO1 NX12K19 Page 32 68 Description of parameters Honeywell 2 3 14 Analogue input supervision With this parameter you can select the analogue input to be supervised 0 Not used 1 Al1 2 Al2 2 3 15 Analogue input supervision OFF limit When the signal of analogue input selected with par 2 3 14 falls under the limit set with this parameter the relay output goes off 2 3 16 Analogue input supervision ON limit When the signal of analogue input selected with par 2 3 14 goes over the limit set with this parameter the relay output goes on This means that if for example ON limit is 60 and OFF limit is 40 the relay goes on when signal goes over 60 and remains on until it falls under 40 2 3 17 Relay output 1 ON delay 2 3 18 Relay output 1 OFF delay With these parameters you can set on and off delays to relay output 1 par 2 3 1 Signal programmed to Ke relay output RO1 output EG ee ee es l l e gt ON delay OFF delay par 2 3 17 par 2 3 18 nxlk102 Figure 1 9 Relay output 1 on and off delays Honeywell Description of parameters Page 33 68 4 5 DRIVE CONTROL 2 4 1 Acceleration Deceleration ramp 1 shape The start and end of the acceler
67. troller Direct frequency reference 10 Interlock 1 can only be selected when pump and fan control is active P2 9 1 2 ol 2 1 15 18 DIN3 function This parameter has 12 selections If digital inout DIN3 need not be used set the parameter value to 0 1 Reverse Contact open Forward Contact closed Reverse 2 External fault Contact closed Fault is displayed and motor stopped when the input is active 3 External fault Contact open Fault is displayed and motor stopped when the input is not active 4 Fault reset Contact closed All faults reset 5 Run enable Contact open Start of motor disabled Contact closed Start of motor enabled Coast stop if dropped during RUN Preset speed 1 Preset speed 2 DC braking command Contact closed In Stop mode the DC braking operates until the contact is opened See par 2 4 3 2 4 6 9 Motor potentiometer UP Contact closed Reference increases until the contact is opened 10 Motor potentiometer DOWN Contact closed Reference decreases until the contact is opened 11 Disable the PlD controller Direct frequency reference 12 PID Keypad reference 2 selection 13 Interlock 2 can only be selected when pump and fan control is active P2 9 1 2 14 Thermistor input NOTE See NXL HVAC amp Compact User Manual Chapter 6 2 4 15 Force control place to I O terminal 16 Force control place to fieldbus ONO Page 24 68 Description of parameters Honeywell 2 1 15 19 2 1 15 20 2 1 15 21
68. ual value signal Wake up happens when actual value exceeds the Par 2 9 12 140 limit limit 140 reference 70 reference 50 NXLk59 fh8 Figure 1 30 Selectable wake up functions Page 56 68 Description of parameters Honeywell 4 11 PUMP AND FAN CASCADE CONTROL The Pump and Fan Cascade control can be used to control one variable speed drive and up to 3 auxiliary drives The PID controller of the frequency converter controls the speed of the variable speed drive and gives control signals to start and stop the auxiliary drives to control the total flow In addition to the eight parameter groups provided as standard a parameter group for multi pump and fan control functions is available As already its name tells the Pump and Fan Cascade control is used to control the operation of pumps and fans The application utilizes external contactors for switching between the motors connected to the frequency converter The autochange feature provides the capability of changing the starting order of the auxiliary drives 4 11 1 Short description of PFC function and essential parameters Automatic changing between drives Autochange amp Interlockings selection P2 10 4 The automatic change of starting and stopping order is activated and applied to either the auxiliary drives only or the auxiliary drives and the drive controlled by the frequency converter depending on the setting of parameter 2 10 4 The Autochange function allows the st
69. um Sets the signal minimum to either 0 mA or 4 mA living zero Note the difference in the analogue output scaling in parameter 2 3 9 Honeywell 2 3 9 Description of parameters Analogue output scale Scaling factor for the analogue output Signal Max value of the signal Output frequency Motor speed Output current Motor torque Motor power Motor voltage DC link voltage Pl ref value PI act value 1 PI error value 100 x fmax 100 x Motor nom speed 100 x Inmotor 100 x Trmotor 100 x Prmotor 100 x Unmotor 1000 V 100 x ref value max 100 x actual value max 100 x error value max Analogue4 output current 20 mA Page 31 68 Max value of signal 4 selected by param 2 1 16 1 0 nxik49 fh8 PI output 100 x output max Table 1 17 Analogue output scaling Figure 1 7 Analogue output scaling 2 3 10 2 3 11 Expander board analogue output 1 function Expander board analogue output 2 function These parameters select the desired functions for the expander board analogue output signals See par 2 1 15 16 for the parameter values 2 3 12 Output frequency limit 1 supervision function 0 No supervision 1 Low limit supervision 2 High limit supervision If the output frequency goes under over the set limit par 2 3 13 this function generates a warning message via the relay outputs depending on the settings of parameters 2 3 1 2 3 4 2 3 13 Ou
70. z 25 V1 3 Motor speed rpm 2 Calculated motor speed V1 4 Motor current A 3 Measured motor current V1 5 Motor torque ei A Calculated actual torque nominal torque of H o the motor V1 6 Motor power ei 5 GE actual power nominal power of the motor V1 7 Motor voltage V 6 Calculated motor voltage V1 8 DC link voltage V 7 __ Measured DC link voltage V1 9 Unit temperature C 8 Heat sink temperature V1 10 Analogue input 1 13 All VIII Analogue input 2 14 Al2 V1 12 Analogue output current mA 26 AO1 V1 13 Analogue output current 1 expander board mA 31 V1 14 Analogue output current 2 expander board mA 32 V1 15 DIN1 DIN2 DIN3 15 Digital input statuses V1 16 DIE1 DIE2 DIES 33 I O expander board Digital input statuses V1 17 RO1 34 Relay output 1 status V1 18 ROE1 ROE2 ROE3 35 I O exp board Relay output statuses V1 19 DOE 1 36 I O exp board Digital output 1 status V1 20 PID Reference K 20 In percent of the maximum process reference V1 21 PID Actual value K 21 In percent of the maximum actual value V1 22 PID Error value K 22 In percent of the maximum error value V1 23 PID Output K 23 In percent of the maximum output value V1 24 Autochange outputs 1 2 3 30 Used only in pump and fan control Shows current operation mode selected with V1 25 Mode 66 start up wizard O Not selected 1 Standard 2 Fan 3 Pump 4 High Performance Table 1 3 Monitoring values

NXL HVAC APPLICATION MANUAL

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