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20

M’Ax Installation Guide

www.controltechniques.com

Issue Number: 6

Key to Figure

1.

START/RESET switch

2.

STOP switch

3.

Control supply

4.

Contactor coil

5.

AC supply to the drive

6.

AC supply isolator

7.

Link to connect the internal braking resistor

0V

Figure 2-13

Power connections to be made when the internal braking resistor is used

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Содержание 0453-0016-06

Страница 1: ...www controltechniques com EF Installation Guide M Ax Compact high performance single axis servo amplifier for brushless AC servo motors Part Number 0453 0016 06 Issue Number 6 ...

Страница 2: ...Installation Guide may be reproduced or transmitted in any form or by any means electrical or mechanical including photocopying recording or by any information storage or retrieval system without permission in writing from the publisher Important Servo amplifier software version This product is supplied with the latest version of user interface and machine control software If this product is to be...

Страница 3: ...ing resistor example calculations 9 2 18 Minimum permissible deceleration time 10 2 19 Power rating of the braking resistor 10 2 20 Value of the braking resistor 11 2 21 Disabling protection of the internal braking resistor 11 2 22 Current setting for a thermal overload protection relay 11 2 23 Enclosure layout 11 2 24 Clearances for the signal cables 12 2 25 Enclosure calculations for heat remova...

Страница 4: ... the end product or system complies with all the relevant laws in the country where it is to be used Refer to the product manual or EMC data sheet for further information on EMC standards complied with by the product and guidelines for installation MAX403SL MAX406SL MAX409SL MAX412SL MAX403AN MAX406AN MAX409AN MAX412AN EN60249 Base materials for printed circuits IEC326 1 Printed boards general inf...

Страница 5: ...ctive earth ground connections This Installation Guide contains instruction for achieving compliance with specific EMC standards Within the European Union all machinery in which this product is used must comply with the following directives 97 37 EC Safety of machinery 89 336 EEC Electromagnetic Compatibility 1 6 Safety of personnel The STOP function of the drive does not remove dangerous voltages...

Страница 6: ... an anti condensation heater must be installed This heater must be switched off when the drive is in use automatic switching is recommended If the drive is to be mounted directly above any heat generating equipment such as another drive the maximum temperature of the air immediately below the drive should be taken as the ambient temperature for the drive Electromagnetic compatibility The drive con...

Страница 7: ...ws typical PVC cable sizes for power input and output wiring In the event of a conflict local regulations prevail The cable sizes recommended in Table 2 5 are in accordance with EN60204 1 installation method B2 one loaded cable in conduit or trunking attached to a wall Table 2 5 Power cable sizes metric The cable sizes recommended in Table 2 6 are in accordance with UL508C installation method one ...

Страница 8: ...he details of the code The values stated are for 40o C ambient free air applications Information should only be used for reference Example PS B A M 010 10m Unimotor connection to ferrules power cable for a dynamic application 1 Number of conductors PS 3 phase ground PB 3 phase ground motor brake control 2 Type of sheath B PUR Use for dynamic applications motor mounted on a moving structure increas...

Страница 9: ...3 5 4 3 2 1 6 7 8 5 4 3 2 1 6 7 8 5 4 3 2 1 6 7 8 6 7 8 5 4 3 2 1 0V COMMON 24V SLM supply com com SLM Hardware enable Drive status supply com com MC MULTIDROP OUT 0V COMMON 24V loop supply Hardware enable Drive status output MULTIDROP IN PC 0V COMMON 232 TXD 232 RXD EIA232 24V loop input Hardware enable Drive status input com com com com 5 com com 1 2 24V 2 1 13 12 Non inverting input output Inve...

Страница 10: ...nent part no 290 4780 for shielded connector 5 7mm or Use RS Component part no 342 2087 for shielded connector 6 6mm Ordering signal cables Cables of the required lengths and fitted with RJ45 connectors as required are supplied by Control Techniques Dynamics Ltd For ordering create the required order code see below and contact the supplier of the drive The order code is constructed as follows Deta...

Страница 11: ...teristic impedance cables having tinned copper stranded conductors overall braided shield Maximum overall diameter depends on the D type connector being used Connectors SIM ENC MC EIA485 15 way high density male D type having a metal shell improved EMC type DIGITAL I O STANDALONE 15 way high density female D type having a metal shell improved EMC type 2 10 Method of mounting The two mounting brack...

Страница 12: ...fitted in the drive or an external braking resistor can be used for absorbing the returned energy The braking resistor is then switched into circuit by an internal transistor when the DC bus voltage reaches 780V The required value for the braking resistor is determined by the maximum required braking torque while the required power rating is determined by the amount of energy to be dissipated the ...

Страница 13: ... is used the heat dissipated by the resistor will increase the ambient temperature inside the enclosure The value of heat dissipation is used for calculating the enclosure size or ventilation which are described later in this chapter Always use shielded or steel wire armoured cable for connecting an external braking resistor When an external braking resistor is used a thermal protection circuit mu...

Страница 14: ...9 Power rating of the braking resistor 1 Calculate the kinetic energy EK that will be dissipated in the braking resistor as follows 2 Calculate the average power over deceleration time td 3 Calculate the average power Pav that will be dissipated over the whole cycle When the value of Pav is less than 125W the internal braking resistor can be used For this example which shows marginal conditions an...

Страница 15: ... Setting Up the drive for Basic Applications in the User Guide Do not disable the I2 t protection when the internal braking resistor is to be used 2 22 Current setting for a thermal overload protection relay 1 Calculate the maximum permissible continuous current through the braking resistor that is to be used as follows where PR is the continuous power rating of the resistor to be used not the min...

Страница 16: ...roller Locate as required 6 Signal cables and circuits See the next section in this chapter for clearances 7 Drive mounted vertically on the enclosure back plate see 1 above 8 Power cables Position as required 9 Isolator contactor and fuses or MCBs Locate as required 10 Alternative locations of fuses or MCBs Locate as required 11 Power cables entering the enclosure Position as required EMC complia...

Страница 17: ...dd the heat dissipation figures obtained as appropriate from lines 1 2 3 and 4 above This gives a figure in Watts for the total heat that will be dissipated inside the enclosure Make a note of this figure Calculating the size of a sealed enclosure The enclosure transfers internally generated heat into the surrounding air by natural convection or external forced air flow the greater the surface are...

Страница 18: ...ing the equipment The equipment is cooled by the forced air flow Calculate the minimum required volume of ventilating air from Where V Air flow in m3 per hour Tamb Maximum ambient temperature in C outside the enclosure Ti Maximum ambient temperature in C inside the enclosure P Power in Watts dissipated by all heat sources in the enclosure kp Ratio of Where P0 is the air pressure at sea level P1 is...

Страница 19: ... the tabs of the lower mounting bracket fitted with stud S in the slots near the bottom of the rear panel of the drive 4 Retain the bracket with two of the M4 T20 Torx head screws supplied Quantity Part Purpose 1 M5 nut Ground stud 1 M5 plain washer 1 M5 spring washer 1 Ground bracket Safety ground connections 3 Hose clip 11 to 16mm 0 433 to 0 630 in dia Clamp power cables to the ground bracket 2 ...

Страница 20: ...e The stud must be used for ground termination see section 2 30 Method of connecting the power cables on page 18 4 If compliance with EMC emission standards is required both mounting brackets must make direct electrical contact with the back plate the screw holes should be threaded 5 Area occupied by the drive 6 Loosely fit screws B locate the slotted holes in the mounting brackets over the screws...

Страница 21: ...ation If the plug terminals can be touched when the plug is disconnected from the socket a means of automatically isolating the plug from the drive must be used eg a latching relay STOP function The STOP function does not remove dangerous voltages from the drive Safety ground connection The ground loop impedance must conform to the requirements of local safety regulations The electrical safety of ...

Страница 22: ...tening the nut to the specified torque ensure the tongues on the ground bracket remain fully inserted in the terminals 5 Tighten the screws in the two ground terminals to the specified torque 6 Strip back the insulating sheath on the shielded cables to expose at least 12mm 0 472in of shield and 30mm 1 181in of inner conductors 7 Fit a hose clip over each cable shield to clamp it to the ground brac...

Страница 23: ...Figure 1 START RESET switch 2 STOP switch 3 Control supply 4 Contactor coil 5 Thermal overload protection relay 6 Braking resistor 7 AC supply to the drive 8 AC supply Isolator 0V Figure 2 12 Power connections to be made when an external braking resistor is used including a typical protection circuit for the braking resistor ...

Страница 24: ...r 6 Key to Figure 1 START RESET switch 2 STOP switch 3 Control supply 4 Contactor coil 5 AC supply to the drive 6 AC supply isolator 7 Link to connect the internal braking resistor 0V Figure 2 13 Power connections to be made when the internal braking resistor is used ...

Страница 25: ...does not require special EMC features Back plate Ensure the enclosure back plate is unpainted but it may be zinc plated Mounting brackets electrically connected to the back plate Ensure the mounting brackets for the drive and RFI filter make direct electrical connection with the back plate Grounding For compliance with EMC emission standards employ the grounding arrangements shown in this section ...

Страница 26: ...arance C between the AC supply cable and the following Signal cables Drive Braking resistors and cables Motors and cables 2 35 Additional ground connections for the signal cables Electrically bond the shields of all the signal cables to the back plate by direct grounding unless ground loop currents cause problems if the drive is controlled by an analog speed reference In this case indirect groundi...

Страница 27: ...frequency ground loop currents from occurring these can cause problems in systems controlled by analog signals 1 Use insulating studs 5 to mount an uninsulated metal plate 6 on the back plate 3 the plate 6 must be insulated from the back plate 2 Using uninsulated metal cable clamps 1 electrically bond the shield 2 of each cable to the metal plate 6 3 Ensure there is no more than 250mm 10 in of cab...

Страница 28: ...of the motor as shown in the following two diagrams For motors that have a power input socket a metal cable plug should be used and the cable shield make contact with the shell throughout its entire circumference full 360 termination A typical plug is shown opposite If a full 360 termination is not possible due to a plastic plug being used or the motor having separate terminals and cable glands a ...

Страница 29: ...e does not exceed 40 C 104 F when the drive is operating The terminal tightening torques specified in section 2 29 Terminal sizes and tightening torques on page 17 are used A 1 AC supply specification The drive is suitable for use in a circuit capable of delivering not more than 5000 RMS symmetrical Amperes at 528VAC RMS maximum A 2 Maximum continuous output current The drive models are listed as ...

Страница 30: ...e continuous output current is reduced See Output current ratings earlier in this Appendix Cooling method Internal fan Maximum humidity 95 non condensing at 55 C 131 F Storage temperature range 40 C to 55 C 40 F to 131 F Maximum storage time 12 months Altitude Altitude range without derating 0 to 2000m 6600ft When additional precautions are taken the drive can be operated at altitudes from 2000m t...

Страница 31: ...ly circuit Compliance also depends on the length of the motor cable For full details refer to the M Ax EMC Data Sheet which can be obtained from a Drive Centre or distributor listed at the end of this guide Summary Conducted and radiated emission meet EN50081 2 generic emission standard for the industrial environment over a wide range of conditions This is similar to CISPR11 and EN55011 Class A Th...

Страница 32: ...0Hz For other AC supply voltages and currents scale the values of leakage current proportionally Discharge resistors 330KΩ star network between the AC supply phases the star point is connected by a 1MΩ resistor to ground These resistors are fitted internally Maximum current overload 150 of rated current for 60 seconds RFI Filter Overall dimensions Dimensions when attached to drive Part number 4200...

Страница 33: ...ion standards instructions 21 Enclosure calculations for heat removal 13 Enclosure layout 11 Environmental 2 Environmental limits 1 External braking resistor 8 F Fire enclosure 2 Fuse ratings 3 G Ground conductors 3 Ground leakage current 28 Grounding direct 23 Grounding indirect 23 H Hazardous areas 2 Heat dissipation 7 8 Heat dissipation total 13 Humidity 26 I Installation considerations 2 Insta...

Страница 34: ... ground connections 22 Signal cables ordering 6 Signal cables and connectors 5 SLM input 27 Starts per hour 26 STOP function 17 Stored charge 17 Supply currents 26 System design 1 T Temperature 26 Terminal sizes 17 Thermal overload protection relay current setting 11 Thermal protection 8 Tightening torques 17 U UL Listing information 25 User back up supply input 27 W Warnings 1 Weight 26 ...

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