CONTROL UNIT VK-2C User manual
Contents
1. Dinacell electronica CONTROL UNIT VK 2C User manual Sensor RS 485 AL C AL S VK 2C Complete n lH User manual VK 2C User manual VK 2C INDEX 1 INSTALLATION AND 6 4 DISPEBY ae are 5 3 CONTROLIBUTIONS ss UNE 6 4 CONFIGURATION nun 6 5 CALIBRATION eem 7 Os ALARMS nenne 9 7 ZADDITIONAL FUNCTIONS aa a 10 LOW POWER MODE u ei 10 9 ERROR CODES AND TROUBLESHOOTING 11 10 SPECIFICATIONS nase 12 11 EUSEREPLACEMENT ae 12 12 QUICK GUIDE nu 12 User manual VK 2C 1 INSTALLATION AND CONNECTIONS 153 138 ss BABB AUX SERIE VK Sensor RS 485 ALC ALS x VK 2C Complete Overload POWER HOLD SUPPLY 2 5 T i DO r1 3 3 E Display 5 de cabina 4 wire load cell DINACELL Terminal function colors code loadcell Sensor Excitation positive Red 4 m EXC Excitaion negative Black connection xX zz IN Signal positive Green IN Signal negative White SHIELD Shield Shield POWER Power supply SUPPLY Power supply terminals for 230Vac 50 input 60Hz with ground connection It provides two2. When the elevator load overcomes this value the full load relay changes its state The human symbol of the MB D cabin display will light right completely AL S When elevator load overcomes this value the overload relay changes its state In addition to the human symbol of the MB D cabin display is completely lit the symbol of the balance will blink and the buzzer will be activated intermittently In case of connecting to a LED instead of MB D display it will be blinking T Depending of the CONF parameter setting the relays contacts will change between open and close when alarms AL C and AL S are activated Modify the alarm parameters 1 Press button repeatedly until the display shows or 2 Press button The current value will appear in display with the first digit blinking 3 Change to desired value by the wanted one using buttons select digit change value 4 Press button twice to validate and store the value D If button is not pressed the second time before the display blink ends operation is canceled and new value is not stored User manual VK 2C 7 ADDITIONAL FUNCTIONS These parameters can be modified and stored following the same method shown in calibration and alarms chapters with the buttons 6 ya This function allows to adjust the difference of weight between floors produced by the compensation chain Modify this value with the approximate weight of the chain The maximum value allowed is
3. 50 kg If this function is not needed set the value to zero Setting of the cabin display type and relay states as follow Parameter Low power Cabin display output value display LED blinking ON Progressive display MB D OFF LED blinking OFF Progressive display MB D This unit is equipped with a RS 485 communication bus in slave mode that provides access to every parameter in it This parameter set the address of the unit Please contact with Dinacell to get the communications protocol 8 LOW POWER MODE It s not needed visualize the display of the unit all the time and it increases the power consumption The unit enter in a low power mode in the following cases showing a rolling segment to indicate the unit is still working After 3 minutes of powering up the unit without pressing any button After 60 minutes of press any button for last time Pressing button during 2 seconds when unit is showing the weight D To go out of low power mode press any button 10 User manual VK 2C 9 ERROR CODES AND TROUBLESHOOTING When some anomaly is detected by the unit the display will show one of the following error codes Important When an error appears all alarms are activated and the elevator remains blocked Load cell is not properly connected it or its cable is damaged Check all connections mr 4 4 Pu Negative overflow Load cell is working in the opposite way or it is wrong c
4. necessary connections 2 Adjust the zero with cabin empty find parameter in the menu press button and then press button twice Wait till the countdown expires Zero adjustment is required before load adjustment Adjust of weight with car loaded find parameter in the menu press button change the value according to the load introduced inside the car and then press twice Wait till the countdown expires Choose the alarms levels with and parameters and the state of its associated relays in the parameter AL C From this level the elevator is considered at full load AL S From this level the elevator is considered overloaded Dinacell Electronica S L www dinacell com 19 6073 00 C El torno 8 28522 Rivas Vaciamadrid Madrid SPAIN 14 03 2013 Dinacell
5. types of output depending on the CONF parameter see the ADDITIONAL FUNCTIONS chapter Cabin display 1 Under overload intermittent voltage of output 5d 7 5V max 75mA with the polarity shown in the figure 2 Progressive display MB D two wire connection without polarity User manual VK 2C RS 485 Two wire communication bus that provides RS 485 access to all the parameters of the control communication Ug unit See the ADDITIONAL FUNCTIONS chapter The hold function inhibit load measurement during the elevator travel It is useful to avoid relay activation between floors due HOLD to false values of weight while the elevator HOLD input car is moving This function will be activated when an input a voltage in a range of 24 to 230V DC or AC is applied AL C AL S AC Overload Connections of 6 Terminals from the relays of full load and alarms relays overload See the ALARMS chapter 2 DISPLAY This control unit is equipped with three LEDs and a four digits display 2 BBBB The four digits show the weight and values of the AL S ux parameters The AL C LED lights when the full load relay is activated The AL S LED lights when the overload relay is activated The AUX LED always remain OFF This function is not available in this version T A relay activated doesn t mean that the alarm is activated it depends on CONF parameter see the ADDITIONAL FUNCTIONS chapter User m
6. anual VK 2C 3 CONTROL BUTTONS Functions of control buttons a Navigation through the configuration parameters b Validation and storing of the modified values a During menu navigation Enter to modify a parameter b During parameter modification Chose digit to change a During menu navigation Show the stored value of the selected parameter b During parameter modification Change the blinking digit incrementally from O to 9 4 CONFIGURATION MENU The menu has the cyclic structure as shown in the following figure Press button repeatedly to move from one parameter to another Sch Display the value of the measured load Full load alarm Overload alarm Adjust of zero empty cabin Adjust of weight cabin loaded Sets the value of the direct transmission load cell Sets the weight of the compensation chain Sets the cabin display type and relay states OL l1 l1 l1 l1 A Cc BE BE ri EA rm Lr Lr Sets the value of address for the communication bus If button is pressed more than two seconds the unit will show the value of the measured load User manual VK 2C Types of parameters Adjustment parameters see chapter 5 of this manual CERO Parameter to adjust the value of measurement with empty cabin PESO Parameter to adjust the value of measurement with cabin loaded CELL Paramete
7. linking 10 seconds press it again to activate the adjustment The unit shows a countdown in display When it is finished the new value will have been stored and will appear in display If button is not pressed the second time before the display blink ends operation is canceled and the display will again show the name of the parameter that was being modified 2 ADJUSTMENT WITH A DIRECT TRASMISSION LOAD CELL It is not necessary to introduce a well known weight in the cabin to carry out this operation 2 1 ZERO ADJUST Follow the same method shown in normal adjustment 2 2 LOAD ADJUST a Press button repeatedly until the display shows b Press button The display will show a numeric value of four digit c Enter the value of the calibrated load cell using buttons select digit change value Find this value in the label of the Dinacell load cell cable Note In elevators with roping type 2 1 enter the value multiplied by 2 d Press button and then while display is blinking 10 seconds press it again to save the value If e button is not pressed the second time before the display blink ends operation is canceled and the display will again show the name of the parameter that was being modified User manual VK 2C 6 ALARMS Alarms are the programmed load levels that change the state of relays These values are set and stored through the configuration menu it is not necessary to introduce weight in the cabin
8. onnected Check all connections mr 4 4 Lit Positive overflow Load cell is holding a load higher than its nominal value Replace load cell by another with higher nominal load mr 4 as Polarity error This happens when the unit adjusts the weight with the wrong load cell polarity Check all connections Adjust the zero and weight again ErrS5 Display output is short circuited Check display connections Turn off the unit and power it up again Notice When this error appears the unit remains blocked and stops communication by RS 485 until fix the problem Loss of data in memory The unit must be configured again with the properly values Notice When this error appears every relay will remain in OFF state 11 User manual VK 2C 10 SPECIFICATIONS Nominal voltage Nominal current Fuse POM ER Creer 230 VAC 50 60 Hz 60 mA 100 mA 250 V Maximum voltage Maximum current 11 FUSE REPLACEMENT Disconnect completely the unit Open the unit removing screws of the back cover Take out the electronic circuit of its box Replace the fuse from the vertical socket near of the transformer 12 QUICK GUIDE Parameters modification a To enter to modify the parameter press button b d To find the parameter to be changed press repeatedly QD button To change the value press and buttons To save the value press button twice Basic configuration 1 Make the
9. r to adjust the value of measurement with a direct transmission load cell Alarm parameters see chapter 6 of this manual AL C From this level the elevator is at full load AL S From this level the elevator is overloaded AL A Not available in this version Additional functions parameters see chapter 7 of this manual CADE Value of weight of the compensation chain CONF Setting of the cabin display type and relay states DIR Value of address of this unit for the RS 845 communication bus 5 CALIBRATION This operation must be done in order to get the proper measurements Zero adjustment is required before load adjustment There are two ways to calibrate the unit 1 NORMAL ADJUSTMENT valid for all types of load cells 1 1 ZERO ADJUSTMENT a Check that the cabin is empty b Press button repeatedly until the display shows Press button and then while display is blinking 10 seconds press button to activate the adjustment The unit shows a countdown in display When it is finished will appear in display User manual VK 2C 1 2 LOAD ADJUSTMENT a Introduce inside the cabin a well known weight minimum 50 of the elevator full load b Press button repeatedly until the display shows c Press button The display will show a numeric value of four digits d Enter the value of the real weight inside the cabin using buttons select digit change value d Press button and then while display is b
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