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Manual and data sheet for  

ENA3 UCM Control

 

ENA3 UCM Control Manual Version 1.3 

 

Date:  

21.04.2017

 

 

 

page 

1

 of 

12

 

Variotech GmbH, Gewerbeweg 5, 2230 Gänserndorf, Tel +43 2282 60310, https://variotech.com 

 
 

Manual 

 

 

 

UCM safety control in accordance 

with EN81-20 5.6.7 - to prevent an 

unintended car movement 

 
 

Manual: ENA3 Version 1.3 

 

 

 

 
 
 

All rights to this manual are owned by company Variotech GmbH. 
Copies for internal purposes may be made. 
 
In preparing this manual we have used the utmost care, but we cannot guarantee the accuracy of 
this manual, because mistakes cannot be avoided 100%. 
 
The contents of this manual can be changed anytime without notice. For improving information we 
will be grateful. 

 

This safety control is designed exclusively for use in a lift control system and may be used only as 
specified in this manual. 

 

This description contains the information necessary for the intended use of the controller. 
Knowledge about the safety of the operating field 'Lift' is assumed. 
These skills are fundamental for the understanding of this description. 

Summary of Contents for ENA3

Page 1: ...de In preparing this manual we have used the utmost care but we cannot guarantee the accuracy of this manual because mistakes cannot be avoided 100 The contents of this manual can be changed anytime without notice For improving information we will be grateful This safety control is designed exclusively for use in a lift control system and may be used only as specified in this manual This descripti...

Page 2: ...5 Environmental conditions 5 Assembly Fastening 5 Connections and terminal description 5 Displays signal transducer and switch 6 Optimization of the number of necessary traveling cable wires 7 Commissioning 8 Function test UCM error 8 Actual testing UCM error tests 8 Effects of UCM error tests 8 UCM error reset 9 Diagnostic input 9 Error detection 10 Possible errors 10 Concept for possible error d...

Page 3: ...governor rope brakes guide rail brakes and safety valves that an EN81 20 50 type examination have been subjected The software in the safety control is factory tested and sealed and can not be modified or changed in any way Legend Particularly important information in the manual are identified as follows DANGER WARNING This notice must be strictly observed The sign warns of imminent danger which ca...

Page 4: ...rol is not used as intended or if any damage due to non observance of the operating instructions or if the installation and operating personnel have not been trained properly Intended use The application of ENA3 safety controls are provided solely lift systems The control may not be used in of other systems or particular in industrial plants The safety control ENA3 may only be used for the case de...

Page 5: ...ons 10cm x 10cm x height 7cm Fatigue strength according EN81 50 Resistance to shock according EN81 50 Weight 400g Environmental conditions The ENA3 security control is designed so that it pollutes the environment as little as possible It emits no pollutants and does not contain environmentally harmful substances and consumes very little power Assembly Fastening Installation of security control sho...

Page 6: ... leaving the door zone the contact is opened so that the door switch can be tested without any interference from the bypass circuit The relay contacts have a switching capacity of 3A 250V Terminal 14 15 Safety relay contact This contact will be integrated in the safety circuit according to the schematic diagram and serves to switch off the lift on the UCM error To protect the contacts of the safet...

Page 7: ...rate as the indicator of µP LED Reset button This button has no function during normal operation It serves only to restart ENA3 safety control after an error The button must be pressed briefly If the button is jammed or otherwise remains in the pressed state the safety circuit will not come into operation again Optimization of the number of necessary traveling cable wires Especially in the moderni...

Page 8: ...en the S LED must not light In the case of a negative test one must assume a capacitive coupling in the safety circuit This is to be remedied on site The orange plug must be connected again Now the lift can be tested All functions of the elevator controls should work properly Function test UCM error Precondition for a meaningful review of the UCM function is a proper function of the lift itself an...

Page 9: ...rating state lift stands still with activated brake actuator the LED FB is on If the brake actuator is released the LED switches off If there are dual circuit brakes the function of the diagnostic switch is checked by releasing one part of the brake The LED must switch off and by releasing of the part brake the LED should go on again The second part of the brake should be tested too The instructio...

Page 10: ...ls 5 and 6 must be bridged that the ENA3 control will still operate Error detection The ENA3 safety control is responsible for detecting a specific error UCM error and in the case of an error to initiate an immediate emergency stop of the lift The ENA3 safety control itself has no direct control function of the lift Possible errors Error in the ENA3 safety control itself Such an error is detected ...

Page 11: ... and peeping of the buzzer Errors of the UCM brake actuator or feedback contact This error will result in an immediate shutdown of the lift in the door zone ENA3 displays the error by 3 time blinking of the LED and peeping of the buzzer Error in the microprocessor or in the electronic circuit This error will result in an immediate shutdown of the lift in the door zone ENA3 displays the error by 4 ...

Page 12: ...300S for monitoring of the door zone The ENA3 safety control will be delivered in a plastic housing which can be fixed on a DIN rail and should be installed in the control box of the lift The safety control system needs a power supply of 24 VDC 10 On request the necessary magnetic tape 20cm per stop a power supply for a supply voltage of 115V to 230V can be delivered as well In addition the unit c...

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Page 24: ...e type or model batch or serial number possibly sources and number of items auf das sich diese Erklärung bezieht mit der den folgenden Norm en oder normativen Dokumenten übereinstimmt To which this declaration relates is in conformity with the following standard s or other normative documents s EN81 20 EN81 50 EN 12015 EN 12016 EN60068 2 6 EN60068 2 27 EN60068 2 14 Das bezeichnete Produkt entspric...

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