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Web: www.bonitron.com ● Tel: 615-244-2825 ● Email: [email protected]

Model M3452 EIP/PDP

Heavy Duty Braking Transistor

with EtherNet / IP

or PROFIBUS

Communications

K6, K9, K10, M14, T10 Chassis

R7EIP, R7PDP Options

Customer Reference Manual

Содержание M3452

Страница 1: ...on com Tel 615 244 2825 Email info bonitron com Model M3452 EIP PDP Heavy Duty Braking Transistor with EtherNet IP or PROFIBUS DP Communications K6 K9 K10 M14 T10 Chassis R7EIP R7PDP Options Customer Reference Manual ...

Страница 2: ...design develop and manufacture the quality industrial electronic systems demanded in today s market A strong academic background supported by continuing education is complemented by many years of hands on field experience A clear advantage Bonitron has over many competitors is combined on site engineering labs and manufacturing facilities which allows the engineering team to have immediate access ...

Страница 3: ...Below is a sampling of Bonitron s current product offering WORLD CLASS PRODUCTS Undervoltage Solutions Overvoltage Solutions Uninterruptible Power for Drives DC Bus Ride Thru Voltage Regulators Chargers and Dischargers Energy Storage Braking Transistors Braking Resistors Transistor Resistor Combo Line Regeneration Dynamic Braking for Servo Drives Common Bus Solutions Portable Maintenance Solutions...

Страница 4: ...fications 16 3 4 2 I O Wiring 17 Table 3 2 I O Terminal Block Specifications R7 Control Board 17 3 4 3 DC Control Wiring 17 Figure 3 1 Customer Connections in K6 Chassis 18 Figure 3 2 Customer Connections in K9 Chassis 19 Figure 3 1 Customer Connections in K10 Chassis 20 Figure 3 2 Customer Connections in M14 Chassis 21 Figure 3 3 Customer Connections in T10 Chassis 22 3 5 Typical Configurations 2...

Страница 5: ...but Slave Units do not seem to follow the Master 57 5 3 13 Attached Drive Will Not Precharge 57 5 4 Technical Help before you call 57 6 ENGINEERING DATA 59 6 1 Ratings Charts 59 Table 6 1 Module Ratings 230 240 VAC Drives 375 VDC Setpoint 59 Table 6 2 Module Ratings 380 415 VAC Drives 620 VDC Setpoint 60 Table 6 3 Module Ratings 460 480 VAC Drives 750 VDC Setpoint 61 Table 6 4 Module Ratings 575 6...

Страница 6: ...DP 6 Figure 6 8 Block Diagram 1600A in M14 Chassis 70 7 APPENDICES 71 7 1 Application Notes 71 7 1 1 Sizing your braking requirements 71 7 1 2 Common Bus Application Note 73 7 1 3 Bonitron Line Regeneration Modules 74 ...

Страница 7: ...etween this document and any publication and or documentation related to the AC drive system the latter shall have precedence 1 3 MANUAL VERSION The D Control Voltage and L Braking Current Ratings were added in Rev 02 DC bus information was expanded in Rev 02a Dimensional outlines and connection drawings were updated in Rev 02b I O Hookup drawings and link length limits were updated in Rev 02c The...

Страница 8: ... Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss CAUTION CAUTION Identifies information about practices or circumstances that can lead to property damage or economic loss Attentions help you identify a potential hazard avoid a hazard and recognize the consequences CAUTION CAUTION Heat or burn hazard Identifies a sta...

Страница 9: ...an be an issue with drive systems that have large capacitor banks or use oversized capacitor banks for power dip immunity Under normal circumstances these banks can take excessive amounts of time to reach safe working levels The bus discharge feature allows the braking system to be used as the bleeder resistor and brings the bus voltage down much quicker The EIP PDP options available on 200A units...

Страница 10: ...se model number for all heavy duty braking transistors is M3452 CONTROL VOLTAGE RATING The control voltage rating indicates the voltage level to be used to supply control power to the unit Most units utilize the AC line voltage supplied to the drive system However this is not required Other AC voltage sources can be used if desired Refer to the unit specifications to determine the voltage source T...

Страница 11: ...DC Bus Trigger Level L 230 240 VAC Line 375 VDC E 380 415 VAC Line 620 VDC H 460 480 VAC Line 750 VDC C 575 600 VAC Line 940 VDC Y 690 VAC Line 1090 VDC Nxxxx Special xxxx VDC Nxxxx is used only for custom trigger levels Contact Bonitron before specifying Nxxxx CHASSIS STYLE The chassis style code represents the chassis type and size of the heavy duty braking transistor Table 2 4 Chassis Codes CHA...

Страница 12: ...ntrol Power Active Braking Logic I O Inputs dry contact Outputs Max 140 VAC 200 VDC at 100mA R7 Enable Master Slave Select Fault Reset Control Ready Master Slave Status Power Stage Ready Instantaneous Overcurrent R7E DC Bus Discharge Logic Power OK Not IGBT Shorted Not Overtemp Not Blown Fuse Control I O R7 R7E Sharing Control Signal Operating Temp 0 to 40 C Storage Temp 20 to 65 C Humidity Below ...

Страница 13: ...LOW AMPLE TIME FOR THE UNIT TO COOL BEFORE ATTEMPTING SERVICE ON THIS PRODUCT ALWAYS BE SURE THE BRAKING CAPACITY OF THE CHOPPER AND LOAD BANK DOES NOT EXCEED THE CAPACITY OF THE CONNECTED DRIVE REVIEW THE APPLICATION NOTE IN SECTION 7 OF THIS MANUAL FOR INFORMATION ABUT COMMON DC BUS SYSTEMS Important Notice about Drives with DC Link Chokes DURING BRAKING SITUATIONS ENERGY STORED IN A DRIVE S DC ...

Страница 14: ...M3452 vR7 EIP PDP 14 This page intentionally left blank ...

Страница 15: ...rchased 3 2 SITE SELECTION The installation site for the module should be chosen with several considerations in mind All units require adequate protection from the elements Adequate clearance should be allowed for easy access to terminals and adjustments This will facilitate inspection and maintenance Sufficient circulation of clean dry air should be provided Ambient temperatures should not exceed...

Страница 16: ...transistor must be connected directly to the DC bus filter capacitors of the drive Figure 3 9 is an example of the terminals that may be available in your installation Not all of the terminals may be on your drive Refer to the drive manufacturer s manual or technical documents to locate the proper terminals Your drive will have different terminal markings depending on manufacturer and drive series...

Страница 17: ... gauge will be the same as is used to ground the attached drive 3 4 2 I O WIRING NOTE Terminal strip I O is prewired to the modular I O module and is listed here only for reference All I O operations should be carried out using the network interface Table 3 2 I O Terminal Block Specifications R7 Control Board TERMINAL FUNCTION ELECTRICAL SPECIFICATIONS MAX MIN WIRE AWG MAX WIRE AWG TORQUE TB1 1 Co...

Страница 18: ...M3452 vR7 EIP PDP 18 Figure 3 1 Customer Connections in K6 Chassis CUSTOMER I 0 CONNECTION RES RES DC BUS DC BUS ...

Страница 19: ...User s Manual 19 Figure 3 2 Customer Connections in K9 Chassis CUSTOMER I 0 CONNECTION ...

Страница 20: ...M3452 vR7 EIP PDP 20 Figure 3 1 Customer Connections in K10 Chassis RES RES CUSTOMER I 0 CONNECTION DC BUS RES RES DC BUS ...

Страница 21: ...User s Manual 21 Figure 3 2 Customer Connections in M14 Chassis CUSTOMER I O CONNECTION ...

Страница 22: ...M3452 vR7 EIP PDP 22 Figure 3 3 Customer Connections in T10 Chassis dhutcherson bonitron com 3452 3 11 13 5 21 13 CUSTOMER INFORMATION 130071 T O DKH T O DKH ...

Страница 23: ...User s Manual 23 3 5 TYPICAL CONFIGURATIONS Figure 3 4 Master Stand Alone Hookup Figure 3 5 Master with Slave s Hookup ...

Страница 24: ...M3452 vR7 EIP PDP 24 Figure 3 6 I O Hookup with R7 EIP PDP Communication ...

Страница 25: ... Link Choke 2 BR BR Internal Brake Transistor connection Not Used Load Bank Resistor Bonitron Braking Transistor DC RES DC RES Notes 1 Fuse not included in 1600 amp M14 chassis braking transistor 2 Precharge connections may not be external 3 Choke may be internal to drive A B 1 DC Bus Filter Capacitors Output Inverter ...

Страница 26: ...M3452 vR7 EIP PDP 26 Figure 3 8 24VDC Power Connection ...

Страница 27: ...is green indicator illuminates when control power is applied to the unit A solid green light indicates that no faults are present and the control circuit is functioning A flashing green light indicates a fault with the pattern of flashing lights indicating the type of fault see Table 4 1 below All faults latch until a reset signal is applied See Section 4 2 2 1 8 for more information about the res...

Страница 28: ...nitron M3452 with R7 or R7E units Damage may occur to the M3452 as well as to the connected equipment 4 2 3 MASTER SLAVE CONTROL 200 AMP TO 1600 AMP In order to achieve current ratings higher than possible with a single module several braking modules can be connected in parallel This method requires that one module be in control of all other modules This module is considered the Master and the oth...

Страница 29: ...l Ready signal is active on the Master modules The Master module with the power stage not ready will not switch its own power stage This allows the braking system to operate at reduced capacity in the event of a Master module power stage failure If a module is selected as Master and the Control Ready status is open the bus regulation circuitry is not active and no bus regulation will occur For mod...

Страница 30: ... digital network module This module is an Acromag 983EN 2012 or 983DP 2012 The configuration files and manuals for these modules are available on either the Bonitron website or the Acromag website The memory map shows the position of the control and status bits in relation to the base address on the network Detailed descriptions of each bit and register are in the previous sections The memory map ...

Страница 31: ...ntinue to operate attached slaves 4 2 4 2 2 POWER STAGE READY OUTPUT BIT 1 This output indicates the status of the power stage of the module If there are no faults in the power stage these contacts is high This output goes low on the following conditions Loss of Control Power IOC Fault Shorted IGBT Overtemperature in module If one of these conditions exists the module will not operate and the DC b...

Страница 32: ...t the main power fuse is not blown and is ready for braking operation If the fuse blows this output will go low The module will not be able to brake if the main power fuse is blown This output has no function for the 1600A M14 chassis unit since there is no internal fuse 4 2 4 3 INPUTS 4 2 4 3 1 ENABLE INPUT BIT 8 This output must be high for the module to regulate the DC Bus Once this input is hi...

Страница 33: ...BUS DP Master Slave protocol per European Norm EN50170 Baud Rate Supported baud rates are 9600 19 2K 45 45K 93 75K 187 5K 500K 1 5M 3M 6M and 12M bits per second auto detected Maximum transmission length is dependent on baud rate selection range is up to 1200M at 9600bps or up to 100M at 12Mbps Refer to the following table for maximum transmission distances at supported baud rates using recommende...

Страница 34: ...OFIBUS Character 11 bits 1 start bit 8 data bits 1 even parity bit 1 stop bit Applies to all bytes including frame bytes Bus Idle State 1 a start bit causes line to go to 0 An idle state of at least 33 Tbits sync time must be provided between messages Note 1Tbit at 12Mbaud 1 12000000bit sec 83nsec Ident_Number 06F3 Hex 981PB 2012 06F2 Hex 982PB 2012 06F1 Hex 983PB 2012 GSD File ACRO06F1 GSD 983PB ...

Страница 35: ...erminate the network at both ends only Termination resistors are integrated in the PROFIBUS connector When you switch termination ON the out going connections are disconnected from the network For network termination use 220Ω A to B plus 390Ω A to GND and 390Ω B to 5V Use 2 0 25W resistors 4 2 4 4 4 NETWORK ADDRESSING The network address is set with the two rotary switches on the side of the PROFI...

Страница 36: ...to 126 in order to place the unit in commissioning mode 1 Address is set to 126 7Eh from the factory This address is reserved for commissioning purposes only 2 Locate the hexadecimal address switches in recessed opening next to power terminals 3 Use a screwdriver to rotate these switches to set a unique valid address from 0 to 125 4 If the switches are set to a valid address from 0 125 then the sw...

Страница 37: ...ed wire for B Do not exceed the recommended segment length for the baud rate Make sure that there are no more than 32 RS 485 devices per segment including the master device and the repeater Check for proper termination of all copper wire network segments an RS 485 segment must have a termination resistor at both ends of the segment only All activated terminations must be powered all the time If th...

Страница 38: ... resistors must be placed only at both ends of a network or segment Is baud rate too high for distance Maximum distance is limited below 1200 meters as baud rate is increased above 93 75Kbps see Table If your problem still exists after checking your wiring and reviewing this information or if other evidence points to another problem with the unit an effective and convenient fault diagnosis method ...

Страница 39: ...tch This momentary toggle switch is located on the front panel and is used to either reset the module toggle right or toggle the module into or out of Default Communication Mode toggle left In Default Mode the module assumes the fixed static IP address 128 1 1 100 a default subnet mask 255 255 255 0 a default username of User and a default password of password00 This switch can also be used to res...

Страница 40: ...the metal shield of shielded RJ45 sockets The socket shield may make direct contact with earth ground or it may be capacitively coupled to earth ground In the Acromag 9xxEN modules this shield contacts earth ground via a high voltage capacitor and transient voltage suppressor In addition to minimizing radio frequency and electromagnetic interference this arrangement also has the added benefit of e...

Страница 41: ...ion is required before the program will allow you to make any other selections The default user name and password is User and password00 respectively After entering these defaults you may wish to invoke the Password Configuration Page to change these parameters to something more meaningful for you IMPORTANT If you forget your user name and password you can always toggle the module into default mod...

Страница 42: ...ase sensitive to specify a password You will have to type in these entries twice to help prevent errors Click the submit button to write your changes to the module After completing your username password changes click on the appropriate button at the bottom of the page to select another web page If you made changes you may be prompted to re enter your new username and password before being permitt...

Страница 43: ...ade up of four octets 8 bits each octet having a value between 0 255 00h FFh It is expressed here in decimal form with a period placed between octets A Static IP Address is as the name implies static and represents a unique fixed IP Address that is generally assigned by your service provider or system administrator The Default Mode static IP address assigned to this module is 128 1 1 100 refer to ...

Страница 44: ...n the IP address and the mask itself with the result being the sub network address Gateway refers to the IP Address of the gateway if your local area network happens to be isolated by a gateway Typically it is assigned the first host address in the subnet If a gateway is not present then this field should contain an unused address within the host subnet address range The Host Name is the name to b...

Страница 45: ... dynamic addresses will not DHCP also supports a combination of static and dynamic IP addresses You can select DHCP BOOTP w Fallback and automatically revert to either a static IP address or the last DHCP assigned IP address if the DHCP or BOOTP server cannot be found DNS refers to the Domain Name System or Domain Name Server and refers to the system used to associate an alphanumeric character str...

Страница 46: ...et is any subnet that shares the first octet of the IP address The remaining 3 octets of a Class A subnet will define up to 16 777 214 possible IP addresses 224 2 A Class B subnet shares the first two octets of an IP address providing 216 2 or 65534 possible IP addresses Class C subnets share the first 3 octets of an IP address giving 254 possible IP addresses Recall that the first and last IP add...

Страница 47: ...1 11111111 11111111 11110000 as our subnet mask This would effectively subdivide our Class C network into 14 subnetworks of up to 14 possible nodes each With respect to the default settings of this module SubnetMask255 255 255 0 11111111 11111111 11111111 00000000 IP Address 128 1 1 100 10000000 00000001 00000001 01100100 SubnetAddress 128 1 1 0 1000000 00000001 00000001 00000000 The subnetwork ad...

Страница 48: ... configuration parameters you can use the Test Page to operate your module The Test Page will allow you to read inputs turn outputs on and off configure the watchdog timer and set watchdog timeout states Figure 4 7 Screen shots of Test Page Use the scroll bar on the right to scroll down the page as shown below ...

Страница 49: ...ered at the port if no channel read or write occurs for one or more channels of a port within the time period specified You can use the Port watchdog Timer Control to specify Time from 0001h to FFFEh seconds 1 to 65534s A Time value of 0000h or FFFFh 0 or 65535 will disable the timer for the port I O You can also define the state the outputs are to assume following a timeout via the lower 4 bits o...

Страница 50: ...also wired MDI If you are connecting to an Ethernet switch or hub then a direct cable is used Note If Link LED is ON you have connected using the correct type of cable but it could still be defective Wrong IP Address Change IP address of the module or PC so that both match Try default module address of 128 1 1 100 Many Communication Errors Is cable segment longer than 100M Max distance between two...

Страница 51: ...king transistor verify the following Control voltage is within tolerance Refer to Table 2 6 General Specifications for voltages and tolerances Green Control Power indicator is ON Amber DC Bus indicator is ON Red Active Braking indicator is OFF Immediately turn off all power if the indicator is ON to avoid possible load bank overheating and or other equipment damage Verify the drive system DC bus v...

Страница 52: ...n and decrease the braking time until the red Active Braking indicator lights 4 4 OPERATIONAL ADJUSTMENTS No adjustments are necessary for this module All regulation points are factory adjusted and should not be changed in the field If your module is not functioning properly refer to the Troubleshooting Section of this manual or contact Bonitron for assistance ...

Страница 53: ...per cooling performance Note After blowing out the fan and or heatsink blow off any dust or debris that may have gotten on any of the circuit boards 5 3 TROUBLESHOOTING DANGER Lethal voltages exist in these systems Before attempting checks or repair follow all precautions to ensure safe working conditions including lockout tagout procedures and verifying safe working voltages with proper meters Do...

Страница 54: ...e are Shorted heatsink IGBT power transistor Shorted heatsink commutation diode Load bank in use below minimum ohms value Shorted load bank Shorted resistor cabling and or ground fault in cable Operating braking module on a DC bus without inverters present This is typically encountered in common bus systems when drives are removed from service See Section 7 for more information 5 3 4 FAN RUNS CONS...

Страница 55: ...he module see Section 5 3 8 below for overheating troubleshooting If the module is hot wait for the module to cool and see if it begins to function properly If one of the other contacts is open and will not close the module has a fault that needs to be repaired by Bonitron Contact Bonitron for assistance If the module is cool and still will not operate contact Bonitron for assistance or repair 5 3...

Страница 56: ... enough current will flow to allow for the braking energy to be dissipated Check the system design to make sure the braking requirements are matched with the braking module capacity MASTER SLAVE SYSTEMS Master Slave systems must be properly configured and operating to share the load Check your system layout and make sure there is only one selected and operating Master and that all the Slaves are p...

Страница 57: ...r your application and voltage levels Remove and replace as required Main control board has gone bad and the module needs to be sent in for repair 5 3 12 MASTER UNIT APPEARS TO FUNCTION PROPERLY BUT SLAVE UNITS DO NOT SEEM TO FOLLOW THE MASTER Slave s may have missing or insufficient control voltage Refer to Section 5 3 1 and correct as required Check the signal wiring between modules The terminal...

Страница 58: ...M3452 vR7 EIP PDP 58 This page intentionally left blank ...

Страница 59: ...M3452 U200LK6 115 120 VAC 100 HP 200 A 200 A 100 1 90 Ω FWP 200 M3452 L200K6 230 240 VAC M3452 U300LK6 115 120 VAC 150 HP 300 A 300 A 100 1 25 Ω FWP 300 M3452 L300K6 230 240 VAC M3452 U600LK6 115 120 VAC 300 HP 600 A 300 A 50 0 63 Ω A70QS600 M3452 L600K6 230 240 VAC M3452 U800LK9 115 120 VAC 400 HP 800 A 400 A 50 0 47 Ω A70QS800 M3452 L800K9 230 240 VAC M3452 U1200LK10 115 120 VAC 600 HP 1200 A 60...

Страница 60: ...AC 240 HP 300 A 300 A 100 2 07 Ω FWP 300 M3452 E300K6 380 415 VAC M3452 U600EK6 115 120 VAC 490 HP 600 A 300 A 50 1 04 Ω A70QS600 M3452 E600K6 380 415 VAC M3452 U800EK9 115 120 VAC 660 HP 800 A 400 A 50 0 78 Ω A70QS800 M3452 E800K9 380 415 VAC M3452 U1200EK10 115 120 VAC 1000 HP 1200 A 600 A 50 0 52 Ω A70QS800 M3452 E1200K10 380 415 VAC M3452 U1600EM14 115 120 VAC 1330 HP 1600 A 1200 A 75 0 39 Ω N...

Страница 61: ... 300 HP 300 A 300 A 100 2 50 Ω FWP 300 M3452 H300K6 460 480 VAC M3452 U600HK6 115 120 VAC 600 HP 600 A 300 A 50 1 25 Ω A70QS600 M3452 H600K6 460 480 VAC M3452 U800HK9 115 120 VAC 800 HP 800 A 400 A 50 0 93 Ω A70QS800 M3452 H800K9 460 480 VAC M3452 U1200HK10 115 120 VAC 1200 HP 1200 A 600 A 50 0 63 Ω A70QS800 M3452 H1200K10 460 480 VAC M3452 U1600HM14 115 120 VAC 1600 HP 1600 A 1200 A 75 0 47 Ω N A...

Страница 62: ...AC 380 HP 300 A 300 A 100 3 20 Ω A100P300 M3452 C300K6 575 600 VAC M3452 U600CK6 115 120 VAC 760 HP 600 A 300 A 50 1 60 Ω A70QS600 M3452 C600K6 575 600 VAC M3452 U800CK9 115 120 VAC 1000 HP 800 A 400 A 50 1 20 Ω A70QS800 M3452 C800K9 575 600 VAC M3452 U1200CK10 115 120 VAC 1500 HP 1200 A 600 A 50 0 78 Ω A70QS800 M3452 C1200K10 575 600 VAC M3452 U1600CM14 115 120 VAC 2015 HP 1600 A 1200 A 75 0 58 Ω...

Страница 63: ...OSS HEATSINK WATT LOSS 200 A 55 W 500 W 300 A 55 W 750 W 600 A 55 W 750 W 800 A 55 W 1000 W 1200 A 55 W 1440 W 1600 A 55 W 2500 W 6 3 CERTIFICATIONS The following modules with the R7EIP or R7PDP option are UL and cUL listed by Underwriter s Laboratories under file number E204386 for UL508C Power Conversion Equipment M3452 200A 300A and 600A models L H C System Voltage Rating codes All M3452 M14 16...

Страница 64: ...e allowed in the DC bus link to and from the filter capacitors in the drive and the chopper connections Table 6 7 Maximum Inductance for DC Link Cable UNIT PEAK CURRENT MAXIMUM INDUCTANCE 200 A 620 µH 300 A 275 µH 600 A 70 µH 800 A 39 µH 1200 A 34 µH 1600 A 58 µH The distance between the DC Bus Filter capacitors and the Braking Chopper be increased by using lowering the inductance of the buswork o...

Страница 65: ...his inductance Some ceramic or wirewound resistors can have significant inductance grid or plate resistors do not In very extreme cases the inductance of the resistor and connecting cables may limit the risetime of the current to the resistor but this will not have an impact on chopper operation 6 8 DIMENSIONS AND MECHANICAL DRAWINGS Figure 6 2 M3452 K6 Chassis Dimensional Outline Drawing ...

Страница 66: ...M3452 vR7 EIP PDP 66 Figure 6 3 M3452 K9 Chassis Dimensional Outline Drawing ...

Страница 67: ...User s Manual 67 Figure 6 4 M3452 K10 Chassis Dimensional Outline Drawing 20 00 508mm 10 06 255 53mm 10 00 254mm 19 00 482 6mm 7 00 177 8mm ...

Страница 68: ...M3452 vR7 EIP PDP 68 Figure 6 5 M3452 M14 Chassis Dimensional Outline Drawing ...

Страница 69: ...User s Manual 69 Figure 6 6 M3452 T10 Chassis Dimensional Outline Drawing 10 12 257 05mm 19 18 487 17mm 23 00 584 20mm 13 44 141 38mm 5 91 150 11mm 13 44 341 38mm 10 19 27 00 685 0mm 30 59 776 99mm ...

Страница 70: ...M3452 vR7 EIP PDP 70 6 9 BLOCK DIAGRAMS Figure 6 7 Block Diagram All 200A thru 1200A and 1600A in T10 Chassis Figure 6 8 Block Diagram 1600A in M14 Chassis ...

Страница 71: ...ments for the mechanical load are determined multiply the horsepower by the scaling factor of 746 to determine the wattage required For instance with a 400 HP system the peak braking power may be 600 HP In this case the peak power required would be 746 Braking brake P H P watts P H Pbrake 447600 746 600 7 1 1 2 PEAK AMPERAGE The peak amperage of the braking cycle can be determined by dividing the ...

Страница 72: ...instance if a pick and place operation requires 3 seconds to accelerate traverses for 44 seconds and then decelerates for 3 seconds the total cycle time is sec 50 3 44 3 dec run acc cycle T T T T The duty cycle for braking is 6 06 cycle dec duty T T This rating assumes the load will be linearly decreasing from peak braking power to zero braking as the load comes to a stop Check this rating against...

Страница 73: ...se or exist and are not allowed 1 Do not connect the heavy duty braking transistor on the rectifier side of a DC link choke The connections must always be made to the inverter drive side directly to the DC bus capacitors During normal system operation the choke can cause the braking system to begin ringing This ringing causes high voltages that will damage the system 2 Do not energize the system w...

Страница 74: ...nto the AC line instead of dissipating the energy as heat in a resistor and are ideal for applications with high duty cycles frequent deceleration or where heat from a resistor may be an issue The regenerated energy is returned to the AC line with near unity power factor and can be used to power other equipment which quickly offsets the slightly higher initial investment of the line regen solution...

Страница 75: ...User s Manual 75 NOTES ...

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Страница 80: ...D_M3452_CMAN_vK6 10M14T10 R7EIP R7PDPall_02m 4 8 2021 521 Fairground Court Nashville TN 37211 USA Tel 615 244 2825 Fax 615 244 2833 Web www bonitron com Email info bonitron com ...

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