REOVIB
Control units for flexible automation
Hand book for installing and setting up
REOVIB controllers
Concepts, questions and background information
Страница 1: ...REOVIB Control units for flexible automation Hand book for installing and setting up REOVIB controllers Concepts questions and background information ...
Страница 2: ...Reset set point to zero 12 7 2 3 Six key control panel 12 8 0 General manufactures instructions for the installation of REOVIB control units 13 8 1 Before installation 14 8 1 0 Connection diagram for frequency drives 14 8 1 1 Setting the mechanical vibrating frequency 14 8 2 Setting the feeder throughput 15 9 0 Setting up regulation control of frequency 15 9 0 1 Setup menu for regulation control 1...
Страница 3: ...espondingly gives 3600 and 7200 vibrations min REOVIB control units are equally suitable for operating with either frequency and can be set by using a link switch to match the feeder frequency REOVIB Frequency inverter specially developed for use with vibratory feeders provides a highly stable drive frequency independent of the supply frequency tuned to that of the feeder and adjustable in 0 1Hz s...
Страница 4: ...d to as Linear Feeders Vibratory feeders with a spiral track and a spring coil combination that gives a com posite motion that are used for sorting orientating and feeding parts are known as Bowl Feeders 2 1 The vibration wave form The vibratory motion in the case of a vibratory feeder moves backwards and forwards in a straight line The direction of movement is at a specific angle relative to hori...
Страница 5: ...erent for each product and depends on the vibrating frequency and amplitude An increase of the feeder throughput cannot be achieved by adjustment amplitude alone the correct vibrat ing frequency must also be selected for the product 2 3 Vibrating frequency and resonance Every vibratory system has a resonant frequency which relates to its mass spring constant and product weight If a feeder could be...
Страница 6: ...ation For over critical operation the drive frequency fa is greater than the resonant frequency fres When the damp ing increases the amplitude increases Likewise interlocking products tend to cause a reduction of the feeders resonant frequency In this operating method the power and vibratory movement are phase op posed which dictate the use of a large reaction base and a higher current draw In pra...
Страница 7: ...bration amplitude by varying the output volt age The feeder is always running with the greatest effectiveness when operating in this manner For more information refer to section 9 0 Guidance on using regulation control with frequency inverters 4 0 REOVIB Symbols The following icons are used to denote unit functions Straight line vibratory feeder Vibratory feeder with a spiral track Motor driven pr...
Страница 8: ...ly When a half wave only is used this provides a frequency the same as that of the mains supply A frequency inverter can provide a frequency that is independent of the mains supply frequency Vibrating speed Refers to the derivative of deflection against time Amplitude Deflection Deflection of the feeder mm relative to the static air gap between the coil and armature normally expressed as the entir...
Страница 9: ...omponents drops below set a certain level the pre feeder switches on and tops up the feed system Coarse fine control Operation with two feeder speeds fast and slow Pulsed operation Feeder runs with a pulsing on off action e g to separate components Accelerometer or am plitude sensor A sensor to control the actual amplitude of a vibratory feeder Can be used either for monitoring or as a feedback tr...
Страница 10: ...To reduce overfilling when feeding material to a weighing machine e g packing machines a feeder can be fun slower shortly before reaching the target weight Additional contacts are provided in a weigher for this purpose These contacts switch the controller to a second set point level which reduces the feeder through put Upon reaching the target weight the feeder switches off completely This operati...
Страница 11: ...es and falls around the position of the sensor on the feed track The power output from the controller is switched on after product falls below the sensor position and the switch on time delay has expired t2 When product builds up behind the sensor position t4 and the switch off time delay has expired t5 the power output from the control unit switches off The time delays are reset if gaps in the pr...
Страница 12: ...f time delays are set by using trimmers or a programming menu in display panel 6 8 3 Sensor Time out Additional function available in digital controllers when the sensor switches t1 an additional timer Sensor Time out is started After a preset time e g 30 240 sec the feeder is switched off t3 providing that in the meantime no further product has been detected by the sensor The status signal is ini...
Страница 13: ...Code C143 Parameter US PA Below is an explanation of the main setting components that are provided on controllers 7 2 1 Three key control panel The operation and setting up of the unit is achieved by using three keys in conjunction with an LED display that can be found on the front panel These controls are all that is needed for selecting all operating modes and setting all parameters To prevent a...
Страница 14: ... 7 2 3 Six key control panel The six buttons and a LED display found in the front panel are used for operating and setting up the unit All operating methods and adjustable parameters can be set up through this panel The I and O buttons are used for switching the unit ON and OFF however these do not pro vide mains isolation they simply inhibit the power semiconductors The P F and Cursor Buttons are...
Страница 15: ...of their training experience and position as well as their knowledge of appropriate standards regulations health and safety requirements and working conditions are authorized to be responsible for the safety of the equipment at all times whilst carrying out their normal duties and are therefore aware of and can report possible hazards Definition of qualified employees according to IEC 364 The cont...
Страница 16: ... be a loss of feeder throughput or the coils will overheat The vibrating frequency for thyristor or triac controllers is selected by using a switch normally a link switch depending on the type of controller The programming menu is used in digital controllers 14 F K L1 REOVIB MFS L1 N PE N PE L1 PE A1 A2 Line reactor Recommended for reducing mains distortion PFC and protecting the drive unit under ...
Страница 17: ...ontrol voltage or 0 4 20mA current signal Controllers with digital control panels because of their improved setting abilities do not require this facility It is only necessary to limit the maximum feeder throughput to either protect the coil against hammering or to limit a feeder that is too quick jamming or interlocking parts When an external analogue set point signal is used in conjunction with ...
Страница 18: ... this value is demonstrated when for example a feeder takes a very long time to ramp up after it has been switched on 9 1 Relationship between acceleration and amplitude The sensor measures the momentary acceleration of the feeder It generates a sinusoidal output voltage signal The acceleration gets higher as the frequency increases The sensor signal is greater for a higher frequency and lower amp...
Страница 19: ...ch menu C 008 select Parameter A F S and press a cursor key to start search this will determine the optimum feeder setting When the resonant frequency has been found the controller will complete the search routine and return to the previous throughput setting 0 9 4 Optimizing regulation 9 4 1 Control range adjustment Set Parameter P in menu C 096 to 50 maximum limit Increase the through put A from...
Страница 20: ...t depend on a true sine wave for mains voltage or current should be used a sine wave is only generated at full output with full wave control The output from frequency controllers is generated by an electronic inverter with pulse width modulated switching The voltage and current values cannot be measured with normal instruments Preferably a moving iron measuring instrument analogue meter should be ...
Страница 21: ...use in the controller and replace if necessary Control input Inhibit Enable correctly set Feed equipment has no power Check that the correct vibrating frequency has been selected and change if necessary Check supply frequency 50 60 Hz Vibrating frequency and supply frequency must correspond Setting of trimmer Umax is too low adjust Umax Feed equipment vibrates aggressively coil hammers Incorrect v...
Страница 22: ...played and feeder does not work no enable signal provide enable signal using con tacts or 24VDC signal fit a link between enable termi nals invert parameter En After running for a short time the feeder stops and Error SE flashes in the dis play sensor time out has been activated no mate rial available no track sensor fitted defective track sensor cancel sensor time out parameter EE check sensor ch...
Страница 23: ...check mains voltage control unit may have to be changed for another type contact manufacturer ERROR ACC Sensor fault defective sensor wrong sensor wiring test sensor check wiring ERROR ETP External tempera ture switch external temperature switch has reached his maximum no temperature switch con nected check magnet temperature bypass the magnet tempera ture input ERROR SE Track control sensor time ...
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