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EF

User Guide

FXM5

Part Number: 0410-0011-05

Issue Number: 5

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Summary of Contents for FXM5

Page 1: ...www controltechniques com EF User Guide FXM5 Part Number 0410 0011 05 Issue Number 5...

Page 2: ...vent the risk of injury to personnel working on or near the motor or its driven equip ment and to prevent potential damage to equipment users and operators all necessary precautions must be taken if...

Page 3: ...e power and signal connectors 6 3 6 Power connections 7 3 7 Armature connections and fuses 8 3 8 EMC recommendations 9 3 9 Signal connections 11 4 Setting Up 15 4 1 Control system description 15 4 2 C...

Page 4: ...sional assembler who is familiar with requirements for safety and electromagnetic compatibility EMC The assembler is responsible for ensuring that the end product or system complies with all the relev...

Page 5: ...shaft and used by the Drive 1 2 2 Digital control The motor speed is controlled by a Control Techniques Mentor II Drive which varies the armature voltage and controls the field current using the FXM5...

Page 6: ...hen it is not in use 1 3 3 Mounting arrangement The FXM5 controller is contained in a module which must be mounted on a vertical surface Heat generated in the thyristors is dissipated to the air by a...

Page 7: ...nt 20A maximum Armature voltage 220V 600VDC Field failure relay contact ratings 250V 3 5A DC maximum 1000VA 200W maximum Environmental Ingress protection IP10 in accordance with IEC539 Operating tempe...

Page 8: ...ained for the complete installation of the motor Drive and FXM5 controller 3 2 Environment In accordance with the IP10 rating of the FXM5 the FXM5 must be located in an environment that is free from d...

Page 9: ...t and output wiring In the event of a conflict local regulations prevail For the following power connections AC supply to the isolator and fuses Isolator and fuses to the Drive Drive to the motor Exte...

Page 10: ...er The connectors are mounted on the printed circuit board which is now exposed Figure 3 2 Locations of the ground power and signal connectors fuses and jumpers Cable size Maximum current and fuse rat...

Page 11: ...the field winding AC supply 2 Connect the alternative AC supply to terminals E1 and E3 Ensure that the alternative supply is connected so that the voltage applied to E1 is in phase with the voltage ap...

Page 12: ...Set jumpers LK5 and LK6 for the AC supply voltage This may be the voltage applied to terminals L1 and L3 or E1 and E3 see Using an alternative AC supply on page 7 Both jumpers must be set for the sam...

Page 13: ...ations Figure 3 5 EMC wiring recommendations To minimize radio frequency emissions it is necessary to install the FXM5 in a steel enclosure and pay attention to the arrangement of the wiring inside th...

Page 14: ...tres very little radiation should be produced In this case unshielded cable may be used on condition that the EMC emissions requirements of the installation are considered 3 8 2 RFI filter An RFI filt...

Page 15: ...omy contact Connect to terminal 2 for normal operation Disconnect for field economy 2 0V common 3 Field current amplifier input Do not connect 4 15V 10mA max output Use to supply external devices 5 15...

Page 16: ...dge driver directly Use Menu 6 parameters in the Mentor II Drive to set up and control the FXM5 controller Remove the following jumpers from the power boards of the Mentor II Drive 3 9 3 Connections t...

Page 17: ...mper LK4 TB1 Function 1 Field economy contact Not used 2 0V common 3 Field current amplifier input Apply an external field current reference signal 0 to 10V Remove jumper LK4 4 15V 10mA max output Use...

Page 18: ...being controlled from the Mentor using Menu 6 the field current can be reduced by controlling parameter 6 14 The field can be automatically reduced if the armature is disabled This function is contro...

Page 19: ...y the armature voltage VA reaching a maximum value Attempts by the Drive to increase the speed by further increasing the armature voltage causes the controller to reduce the field current Because the...

Page 20: ...level When a Mentor II Drive is used parameter 6 07 sets the threshold When the threshold level is not reached the resulting signal causes the field current limiter N4 and thyristor bridge driver N5 t...

Page 21: ...be set for maximum required motor speed When a Mentor II Drive is used the required minimum current can be set using parameter 6 10 LED3 indicates when the field current is at or below the minimum le...

Page 22: ...ripple This results in lower torque ripple in the motor Full control Full control causes the thyristor bridge to force the field current more rapidly towards zero at each half cycle This increases th...

Page 23: ...sing jumper LK3 4 4 Setting the value of IFmax All system control modes 4 4 1 Description The maximum field current IFmax that can be delivered by the FXM5 controller depends on the following Number o...

Page 24: ...s the wire passes through the hole in the DCCT 4 4 2 Procedure Set the value of IFmax at the nearest value above the maximum required field current At a later stage you can set the maximum field curre...

Page 25: ...remove the wire from the DCCT 2 Use insulated wire of sufficient length for the required number of turns and ensure the wire is of the correct size for the maximum field current Refer to Cables and f...

Page 26: ...the maximum and minimum field current Analog control mode External control of the field current Internal control of the field current During the following procedures you will be required to apply AC...

Page 27: ...D bar indicator and adjust the SET MIN FIELD potentiometer to set the current at the required proportion of the maximum level Check that the IFmin LED is lit The value of minimum field current that ca...

Page 28: ...an be run safely Use the following procedure to adjust the FXM5 controller to begin field weakening at the required armature voltage 1 Set the SET MAX ARM V potentiometer at the fully clockwise positi...

Page 29: ...ro Faulty field winding connections The SET MIN FIELD potentiometer is set at the fully anti clockwise position Check the field winding connections Check and if necessary adjust the SET MIN FIELD pote...

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