3FBD DC Motor Drive User Manual
Contents
1. 3FBD DC Motor Drive User Manual RE Elettronica Industriale Via I Alpi 6 zona industriale Lonato BS Tel 39 30 9913491 r a Fax 39 30 9913504 http www re elettronica it info re elettronica it General featUt CS A AI pag 2 Mechanical features Aviable size Electrical features Protections Drive block diagram Regulations drill ble pag 5 Led and trimmers Dip switch Terminal description rr ps SSL aa es pera ag pag 7 UA ee hele marca tna acted pag 9 Starting Power connection Connection with potentiometer reference voltage Connection with analog reference voltage Connection with reference voltage from C N Troubleshoot snai a i aaa pag 17 User Manual 3FBD RE Elettronica Industriale Pag 2 General features Mechanical features Aviable size Drive I nominal Vde max Dimensions Type Ampere AxBxH Crowe 700 260 640 2100350 221360 y sin Fiooo arEp 1000 2607440 somo 2207380 v s60x690x280_ It s possible to have custom drives on specific features User Manual 3FBD RE Elettronica Industriale Electrical features e Two quadrant three phase tyristor bridge e Tyristor drive by means of pulse transformer e Current loop feedback by current transformer e Speed loop feedback by tacho generator or by armature voltage e Ramp circuit for deceleration and acceleration e Protection circuit for over current phase less tacho less overload field le2. SWICH M 4 ED E O TACHO DIP SWICH TACHO SELECTION RETTO M Fanti A gt gt gt RIF I ADAPTIVE REGULATION INVERT ROTATION SENS ENABLE INPUT 13 ENABLE WORK SPEED ENABLE LOW SPEED OV LOGIC CIRCUIT BLOCK DIAGRAM OF REG 3FBD OV ANALOG CIRCUIT OVER CURRENT 2 4 AI lt y FIELDLESS wu VI 24 Y ANALOG CIR amp gt RI ac SALON FIELD N lt El A E y Lu gt RA LINE 3P 0 ERVO TAG po IVY 2 4 TACHO NO a a gt RIF I WD LINE 3P Z HH gt RV oP ELESS gt Sea gt SA LINE 3P gt TA ti User Manual 3FBD RE Elettronica Industriale Connection with analog reference voltage TO SUPPLY THE LOGIC INPUT FROM THE DRIVE CONNECT 14 32 TERMINAL AND 26 28 TERMINAL 228 o 0 Q DIP SWICH u O 3 R A DT M ERE R A 212053 RIF I ADAPTIVE REGULATION DIP SWITCH CURRENT CURRENT SELECT READ a Of Of OF O 9 a ne ANALOG REFERENCE VOLTAGE b gt 1 5K TORQUE CONTROL 10 10V anni e 1 RESET po tvaistOR gt E A14 DRIVE SCA PI ENABLE o DISABLE THE RAMP E PI INVERT ROTATION SEN ENABLE INPUT 13 ENABLE WORK SPEED ENABLE LOW SPEED D DECELERATION D i ACCELERATION OV LOGIC CIRCUIT MIN SPEED BLOCK DIAGRAM OF REG 3FBD OV ANALOG CIRCUIT eee wwe we wee mee en omen ff cin VER CURREN 0 lt medo FIELDLESS IAA i 24V lt Ny zZ gt RI 24 V ANALOG CIRCUIR Ba w O EXIT
3. ALOG CIRCUIT OVER CURRENT DA nity 9 STABILIZED VOLTAGE 15 OV ANALOG CIRCUIT FIELDLESS 24 Y ANALOG CIRCUIT LINE 3P TACHO NO CONNECTED AN W7 E A PROTECTION LINE 3P A20 Ai7 AiG AiB A22 Al gt LID ATS LINE 3P User Manual 3FBD RE Elettronica Industriale Regulations Led and regulation trimmers T alo lol O 2h Oh lo 10 val CN E Jus sem DIP SWICTH IN ooon RI TACHO NO CONNECTEO 121 00 OVER CURRENT CLOSE THIS BRIDGE sane pais TO HAVE UNIDIRECTIONAL ORIVE TREESHOLD TIME tr 121 Rampa set the rise and the fall time of the ramp circuit V min set the speed reference enabled by 21 terminal V lav set the speed reference enabled by 20 terminal V max set the max motor speed V est regulate the speed input on 8 terminal Rel V min set the threshold value to become active the 22 terminal output I max PI Lmax PD set the max drive current one for each direction Prop vel set the speed loop gain User Manual 3FBD RE Elettronica Industriale e Int vel set the speed loop integral gain Dip switch There are 8 dip switch used to configure the drive Feedback type With switch 1 is it possible to set the feedback tacho or armature Dip Ton 1 Tacho Voltage With the 6 7 8 switches is possible to set the voltage of tacho Current With 2 3 4 5 switches is possible to set the current of the drive There is a
4. ATION co OVER Hi SO E q lt a fa LINE 3P Er a 5 EI MY 2 TACHO NO cito O E gt RIF I My gt LINE 3P ZW RY o ELESS gt RA Sw amp E LINE 3P dz User Manual 3FBD RE Elettronica Industriale Connection with reference voltage from N C E ua 10 p ds 29 O O DIP SWICH x O A DIP SWICH TACHO SELECTION R A DT N q V MAX R A OV NUMERIC CONTROL REFERENCE VOLTAGE FROM N C o ADAPTIVE i REGULATION DIP SWITCH CURRENT CURRENT SELECT READ ltd Li E Q re CSLL lt D SCR PO I 24V gt SZ RESET Dro tvatstoa E A14 DRIVE SCR PI ENABLE a 3 dpi A15 OV LOGIC CIRCUIT MIN SPEED BLOCK DIAGRAM OF REG 3FBD OV ANALOG CIRCUIT V D AA W 24 Y ANALOG CIRCUIT me LINE 3P PROTECTION gt RIF I gt RV LINE 3P LINE JP User Manual 3FBD RE Elettronica Industriale Throubleshooting Throuble e Supplying the driver and turning the potentiometer in any position the motor don t start e The motor cannot start under load The motor reach immediately maximum speed without operate on potentiometer e Motor speed under load isn t stable e The motor cannot reach the nominal speed e Line fuses burned Possible causes Power supply fail Enable input is not closed Speed reference fail Required current exceed the current limit Motor field fail Current calibration is wrong Mechanical obstac
5. ld Field Power terminal R R line voltage S S line voltage T T line voltage M Motor armature M1 Motor armature User Manual 3FBD RE Elettronica Industriale Drive linking Power supply the power supply pass though 3 extra rapid fuses operating with current 30 higher of nominal drive current and carried to line impedance ZL and to line remote control switch after it is carried to R S T connectors An auxiliary switch of tae remote control switch closed the 14 16 terminals to enable the drive The control board power supply is connected before the line impedance it s important to respect the connection of R Ra S Sa T Ta if it s not respected the drive function abnormally DC Motor the motor armature is connected to M and M1 terminals the field is connected to and terminals The field AC supply is Vac 1 16xVecc and it s protected with extra rapid fuse In 1 5xlecc The max current is 3A for drives up to 60A SA for drives up to 150A 10A for higher drives Logic command The logic commands are opto isolated to analog circuits they are supplied with an external supply of 24Vcc from 24 14 terminal If is not required insulation is possible to supply the circuit from drivers to link 14 32 and 26 28 terminals The aviable commands are Terminal 15 reset the drive set to zero the protection memory Terminal 16 drive enable it must set only after supplied the control and power otherwise the fuses burns Te
6. le on the machine Speed feedback fail Tacho signal is not correct Tacho signal is inverted Speed potentiometer is dirty of defective Tacho loose turns respect the motor Integration gain is to elevated The drive has reach the current limit The drive has been calibrated for a different max speed One or more tyristor don t fire Accidental short circuit or defect of insulation on the connection or on the motor One or more tyristor are burned For any other defect please contact our technical service User Manual 3FBD Soluction Check power supply Provide to close it Check the potentiometer connection or change it Motor power inadeguate Check the field circuit is supplied and check fuses Check motor current Remove the obstacle Check connections Check tacho efficiency Check tacho connections Change it Check the joint between tacho and motor Adjust integral gain trimmer Verifiythe motor power dimensioning Calibrate the max speed Change tyristor don t fire Check all connection and the insulation Replace the damage tyristor RE Elettronica Industriale
7. nother double dip switch used to enable or disable the field less protection User Manual 3FBD RE Elettronica Industriale Terminal description Control board 32 poli Tacho generator input Zero tacho generator Aux speed reference before soft start Aux speed reference after soft start Positive reference voltage 10V Speed loop input Input to modify maximum current PI Speed loop input through trimmer V est Input to modify maximum current PD 10 Output soft start circuit 0 10V 11 Output current signal 0 4 5V 12 Output speed signal 0 10V 13 Speed input reference before soft start 14 Positive supply voltage 24V 15 Reset 16 Drive enable 17 Soft start enable 18 Forward Reverse rotation 19 Enable external reference 20 Enable internal reference V lav 21 Enable internal reference V min 22 Min speed relay output 24V under Vmin speed 0V over 23 Negative reference voltage 10V 24 Not connected 25 Drive OK relay output 24V if drive is OK OV if drive is faulted 26 Zero voltage 27 Negative internal supply voltage 15V 28 Zero voltage 29 Zero voltage 30 Positive internal supply voltage 15V 31 Zero voltage 32 Positive internal supply voltage 24V NO 0 DU gonna User Manual 3FBD RE Elettronica Industriale Supply terminal 7 poli Ra R line voltage Sa S line voltage Ta T line voltage Field supply ac voltage Field supply ac voltage Fie
8. rminal 17 set to zero the ramp time setted by ramp trimmers Terminal 18 invert the polarity of the output signal of ramp circuit an so invert the motor rotation Terminal 19 enable input at terminal 13 Morsetto 20 enableV lav trimmer Morsetto 21 enable V min trimmer Tacho generator connected to 1 and 2 terminal The tacho generator and all analogical signals must be connected with shielded cable The shields and the analogical 0V must be connected to the ground in the same point Analog inputs the analog signals are applied behind one of the OV terminal 2 28 29 31 and the most fitting input for the regulation in use There are 3 inputs 4 6 8 connected of the sum input to the speed loop the signal applied to 8 terminal can be reduced by V est trimmer The sense of rotation is depending by the polarity of the signal Ramp circuit the 13 input terminal is used when the speed come from a potentiometer or from a PLC logic The signal can be positive or negative and it must be activated from 19 terminals In the ramp circuit can be used other two positive speed signals setted by V min trimmer from 0 to 25 of max speed and V lav form 0 to 100 max speed the signals are activated from 20 and 21 terminals If the signals are activated in the same time the higher signal is considered The polarity can be turned with the sense rotation by the 18 terminal At the output of the invert amplifier con be applied a correction signal posi
9. rted or V max is too high the over voltage protection becomes active For a fine current adjustment stop the motor disconnect the field close the switch to exclude field less protection enable the drive and with I max trimmer adjust the current into two sense of rotation If the current is read on the AC line use the relation Iphase 0 8xIcc Stability adjustment Give to the drive a step signal and look DT signal with an oscilloscope Turn in anti clockwise direction Int vel trimmer to cancel the overshoot in the transitory after with a fixed speed signal turn in anti clockwise direction the Prop vel Trimmer as far as the stability limit If you don t have an oscilloscope set the Int vel trimmer at half scale turn in anti clockwise direction Prop vel trimmer as far as the stability motor limit Repeat the operation with Int vel trimmer User Manual 3FBD RE Elettronica Industriale Power connection LINE VOLTAGE ra ra ra ner TELD a 4A bi ORE SECURITY PROTECTION SWITCH MOTOR ZL ZL TERMAL O n V SUPPLY V EX 1 16 CONTROL BOARD 32 TERMINAL CONNECTION BOX FA utra rest tuse In X 1 3 ZL LINE IMPEDANCE TL LINE POWER CONTACTOR FC Ultra fast fuse In 1 5 x I FIELD User Manual 3FBD RE Elettronica Industriale Connection with potentiometer reference voltage TO SUPPLY THE LOGIC INPUT FROM THE DRIVE CONNECT 14 32 TERMINAL AND 26 28 TERMINAL o 0 aaa 9 0 DIP
10. ss e The field supply bridge in on the board e Speed regulation by potentiometer or by a voltage source 0 10V Protections e Over current Is caused by an internal or external short circuit e Phase less Is caused by a phase failure on the control board e Tacho less Is caused by a tacho generator fault e Overload is caused by an high current flow for a long time prevent motor damaged e Field less Is caused by a field current fault User Manual 3FBD RE Elettronica Industriale Drive block diagram I e oo oo O O DIP SWICH TACHO INPUT sg O A TACHO DIP SWICH TACHO SELECTION R A DT M OV ANALOG CIRCUIT w2 E RA EV MAX AUX INPUT BEFORE THE RAMP CIRCUIT AUX SPEED INPUT 9 gt RIF I ADAPTIVE REGULATION RI REFERENCE POSITIVE VOLTAGE SPEED INPUT TORGUE REGULATION PD AUX SPEED INPUT WITH TRIMMER REGULATION TORQUE REGULATION PI DIP SWITCH CURRENT CURRENT SELECT READ lt lt lt RAMP CIRCUIT OUTPUT CURRENT SIGNAL OUTPUT Pon Inn SPEED SIGNAL OUTPUT RIF 1 SPEED INPUT BEFORE THE RAMP CIRCUIT SCA PO 24 V SUPPLY 1 LOGIC CIRCUIT Ea aor RESET TYRISTOR 1 DRIVE sca pI ENABLE gt DISABLE THE RAMP INVERT ROTATION SENSE ENABLE INPUT 13 ENABLE WORK SPEED ENABLE LOW SPEED SPEED MIN OUTPUT NEGATIVE REFERENCE VOLTAGE N C ORIVE OK OUTPUT OV LOGIC CIRCUIT MIN SPEED STABILIZED VOLTAGE 15 BLOCK DIAGRAM OF REG 3FBD OV ANALOG CIRCUIT OV AN
11. tive or negative by terminal 3 The signal is an input of the ramp circuit with adjustable acceleration and deceleration time by RAMPA trimmers This time can be set to zero by 17 terminals The ramp output 10 must be connected with the speed loop input 6 Unused inputs 4 8 can be sum at the 6 input a positive or negative signal User Manual 3FBD RE Elettronica Industriale The current limit PD or PI can be modified only one or together by means of an O 10v signal applied at 7 PI and 9 PD terminals Motor speed synchronization the 4 and 8 terminals of the slave drive is connected to the 12 terminal of the master drive Visualization at terminal 12 is present a 0 10V signal this is proportional motor speed it can be used to read motor speed Logic output at terminal 22 is present a logic signal of 24V when the motor speed is over a threshold setted by Rele V min trimmer At terminal 25 is present logic signal of 24V when the drive is efficient and of OV when protections are active Stabilized reference voltage at terminals 5 and 23 are present respect 10V and 10V used to supply the potentiometer Starting Select the type of feedback DT or armature For DT feedback set the 6 7 8 switches to have a correct dynamo voltage at the max motor speed Set the 2 3 4 5 switches to have the max drive current Every switch increase 10A the current setted by RI resistor With V max trimmer adjust the max speed If DT is inve
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