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Summary of Contents for Carel Power+
- Page 1 Power+ Speed drive User manual NO POWER & SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT! I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s...
- Page 3 The technical specifi cations shown in the manual may be changed without prior warning. SYMBOLS The liability of CAREL in relation to its products is specifi ed in the CAREL general contract conditions, available on the websie www.CAREL.com and/ Dangerous voltage or by specifi c agreements with customers;...
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Page 5: Table Of Contents
Content 7. PARAMETERS TABLE 1. WARNINGS 7.1 Parameters table ...................26 1.1 General warnings .................... 7 7.2 Commands .....................29 1.2 Fundamental safety rules ................7 7.3 Status variables ....................29 2. INTRODUCTION 8. ALARMS 2.1 Functions and main features ................ 8 8.1 Types of alarm ....................31 2.2 Models ....................... - Page 6 “Power+” +0300050EN - rel. 2.3 - 08.06.2012...
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Page 7: Warnings
+0300050EN, available, including prior to purchase, at www.carel.com, under “Literature”. 1.2 Fundamental safety rules Before performing any maintenance work: •... -
Page 8: Introduction
It is fi tted for panel installation or with heat sink outside of the panel. supplied) – frame size 3 Confi guration and programming, as well as the Run/stop controls and speed reference, are managed by a CAREL pCO controller or any controller device Code Power supply... -
Page 9: Installation
3. INSTALLATION 3.3 Dimensions Important: avoid installing the drive in environments with the The overall dimensions of the drive vary based on the size of the heat sink (size following characteristics: 1 and size 2 for models with forced air cooled fi nned heatsink and size 3 for •... -
Page 10: Cooling
Installation with heat sink outside of the panel 3.6 Electrical installation Important: • before carrying out any maintenance work, disconnect the drive and the external control circuits from the power supply by moving the main system switch to “off ”. Once power has been disconnected from the drive, wait at least 5 minutes before disconnecting the electrical cables;... -
Page 11: Conformity To Emc Standards
Note: the control signals terminal unit 1...8 and the relay terminals unit 9, 10 are double isolated from each other and with respect to the power terminal board. Vite / screw Important: • in the European Union, all units that incorporate the drive must comply with the Machinery Directive 2006/42/EC. - Page 12 Earth leakage current Induttanza PFC solo per modello monofase As for all inverter devices, earth leakage current greater than 3,5mA may PFC coil occur. The drive is designed to produce the minimum possible leakage for single-phase model only current. The current depends on the length and the type of motor cable, the eff ective switching frequency, the type of earth connection used and the type of RFI fi lter installed.
- Page 13 Safety digital input Connect the “Safety Torque Off ” digital input to a safety device (for example, a maximum pressure switch) with normally closed voltage-free contact, in series with an external 24 Vac/24 Vdc voltage source, without needing to observe the polarity for direct current (ref. A). When the contact is open, the drive stops operating, bypassing the software control.
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Page 14: Functional Layouts
3.9 Functional layouts The functional layouts show the PFC inductance to be mounted only in the single-phase model and the DC choke where necessary fi tted as an option on three-phase models only. Single-phase model induttanza PFC PFC coil rettificatore rectifier Inverter IGBT DC Bus... -
Page 15: General Connection Diagram
3.10 General connection diagram Induttanza PFC solo per modello monofase PFC coil for single-phase model only Microinterruttori indirizzi Dip switches for power + speed drive 1 2 3 4 Connessione al 24 Vdc ausiliari in caso di non utilizzo della funzionalità Connection to auxiliary 24 Vdc supply when function Safety Torque... -
Page 16: Power+ Coldplate Models
(coldplate), typically using liquid refrigerant. The coldplate is the • Make sure that the cooling device does not cause the formation of user’s responsibility and is not supplied by Carel. condensate on the inner surface of the plate. • Clean the contact surfaces of the Power+ plate and of the coldplate and ensure they couple perfectly. -
Page 17: Dc Choke
3.13 DC choke The DC choke is an optional that can be supplied separately to be used with the Power+ drives with three-phase power supply (PSD00**4*0) to reduce the harmonic currents to the levels envisioned by EN61000-3-12. The choke has four holes for fi xing to the wall. Fig. -
Page 18: Start-Up
Tab. 4.d The confi guration and the programming of the Power+ drive, as well as the run/stop commands and the speed reference are managed by a CAREL Important: the modifi cation of the “Communication baudrate” and pCO control from any BMS (Building Management System) via RS485 serial “Communication parity”... -
Page 19: B - Asynchronous Motor With Vector Control
Lq are the inductance used in the reference system (d,q) rotating at rotor Tab. 4.l speed.It is recommended to use the values indicated by CAREL depending on the motors/compressors available. If the Autotuning is performed, these (*) Values are model dependent. See chapter 7 “PARAMETERS TABLE”. -
Page 20: C - Asynchronous Motor With V/F Control
It is recommended to use the V/f feature on the basis of the particular application, in order to improve the values indicated by CAREL depending on the motors/compressors available. performance at low speeds. -
Page 21: Functions
Tab. 5.d output frequency. The frequency set point must also be within the limits fi xed by minimum and maximum frequency, otherwise it is not accepted. Note: it is recommended to use the values indicated by CAREL in Mod. Description Max U.M. -
Page 22: Speed Profi Le: Execution Mode
5.6 Speed profi le: execution mode 5.7 Switching frequency It is possible to defi ne the execution mode of the speed profi le with bit0, i.e. The parameter allows to set the switching frequency of the IGBT (Insulated if the individual delays must be performed just one time or if they must be Gate Bipolar Transistor). -
Page 23: Motor Control On Start-Up
5.12 PI parameters Mod. Description Def Min U.M. add. Speed regulation takes place via a PI type control, which in its simplest form V/f boost voltage % Motor base is characterised by the following law: (25.0) voltage V/f freq.cy adjustment 1000 % Motor base (100.0) -
Page 24: Status Variables
Mod. Description U.M. add. 100 Run/Stop (2 bit parameter) bit meaning 0/1= stop/run 0/1=rotation in clockwise/ anticlockwise direction 101 Reset (3 bit parameter) bit meaning 1= alarms reset and updating of communication parameters 1= parameters reset at default values 1= reset fl ag check drive switch on and switch off (see speed regulator, bit2) 102 Frequency set point... -
Page 25: Protections
6. PROTECTIONS Protections functions exist that intervene to prevent: T_drive mechanical resonances; drive overtemperature. 6.1 Skip frequency f_switch It may be necessary to avoid particular frequencies in some systems due to mechanical resonance problems. Using the following parameters it is possible to fi x the limits of the frequency area to be avoided for the frequency set point. -
Page 26: Parameters Table
(both vector and V/f control) the value can normally be found on the motor technical plate. For motors with permanent magnets (PM) it is suggested to set it at values indicated by CAREL. 2 Motor base voltage 230/400... - Page 27 Parameter U.M. R/W Description Applicable for vect. 8 Reverse speed enable R/W Enables the run command also in anti-clockwise direction: 0 = disabled; 1 = enabled 9 Speed derating mode °C R/W The function allows to automatically reduce the speed depending on the temperature of the drive.
- Page 28 Parameter U.M. R/W Description Applicable for vect. 33 Stop mode R/W Sets the drive stop mode, following a stop command. 0 = ramp; 1 = coast 34 Flying restart R/W Enables speed hitching, whenever the RUN command takes place with motor rotating. 0 = disabled;...
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Page 29: Commands
7.2 Commands Parameter U.M. R/W Description Applicable for vett. 100 Run/stop (2 bit parameter) R/W Clockwise and counterclockwise run and Stop commands meaning 0/1 stop/run clockwise/counterclockwise rotation 101 Reset (3 bit parameter) allowable R/W The reset comand is executed when the related bit changes values: from 0 to 1. - Page 30 Parameter U.M. R/W Description Applicable for vect. 108 Motor frequency 0.1Hz Motor equivalentt frequency. Normally equal to “Post-ramp frequency set point”, except in situations with current limitation, in which case it is equal to the estimate value of the “Rotor frequency” 109 Motor current 0.1A Actual current of the motor...
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Page 31: Alarms
8. ALARMS 8.1 Types of alarm 8.2 Alarms log There are two types of alarm: The most recent 4 alarms are memorised in a FIFO type alarms queue. The • drive malfunctioning alarms; last alarm memorised is visible in the Alarm 1 status variable. •... -
Page 32: Modbus® Communication Error Code
Alarm Description Relay Reset Possible cause Solutions code alarm DCbus ripple reset command Input power supply phase loss Check the input power supply phases to the drive Data communication fault reset command Data reception failure Check the serial connection. Switch the drive off and back on again. -
Page 33: Technical Specifications
Safety Torque Off input, communication failure Frequency resolution 0,1 Hz Control unit Each drive must be connected in the network via Modbus® to a CAREL pCO controller or third party control unit that manages the drive based on Master/Slave logic. Inputs 1 motor protector input PTC temp. -
Page 34: Appendix
10. APPENDIX 10.1 Conversion formulas RPS = F / (P / 2) RPS =RPM / 60 RPM = (F x 60) / (P / 2) RPM = RPS x 60 F = RPS x (P / 2) F = (RPM x (P / 2)) / 60 Key: frequency (Hz) of the voltage and current applied to motor revolution per second of motor shaft (rotor) - Page 36 Agenzia / Agency: CAREL INDUSTRIES HeadQuarters Via dell’Industria, 11 - 35020 Brugine - Padova (Italy) Tel. (+39) 049.9716611 - Fax (+39) 049.9716600 e-mail: carel@carel.com - www.carel.com...
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