UC-2C user manual
Contents
1. means setting for PAUSE finish 7 Press key C to exit setting operation and goes back to operation status display mode Programmed parameters are saved permanenily till next change via programming 8 If PAUSE mode is counter LED monitor will display the 3 high order digits of the value Example H000 9 Use key O m to change the value Example Change to H123 10 Press key C to confirm the change of the 3 high order digits then LED monitor displays 3 low order digits Example L001 11 Use key DD to modify the 3 low order digits of the PAUSE counter value Example Change to L456 Compose the 2 digital segments there comes the value 123456 12 Press key e to confirm the new parameters LED monitor displays End this means the setting for PAUSE is finish 13 Press key P9 to exit setting operat ion and goes back to operation status display mode Programmed parameters are saved permanently till next change When operation goes to step 6 or step 12 LED monitor displays End press key D to select other item and continue setting operation Or press J to end the setting operation 3 3 LUBE setting 1 Press C3 longer than 2 seconds LED monitor shows PAU 2 Press key ZY until LED monitor displays LUb 3 Press key J light LUBE and COUNTER on the panel on LED monitor displays preset LUBE parameters Example 0010 factory setting 4 Use keys E to change LUBE con2. If PAUSE is set as counter mode LED displays operation data into 2 segments It first shows the 3 high order digits of the value Example H123 means the high order digits of the value is 123 About 1s later LED monitor then displays 3 low order digits of the value Example L456 means the 3 low order digits is 456 Compose the two digital segments to get the PAUSE value 123456 If system is in LUBE phase the condition of control panel will be shown like the right figure This figure shows the remaining LUBE value is 8 impulses And LUBE mode is fixed in COUNTER mode Please refer to chapter 5 for detailed Error status display and instruction 3 2 PAUSE setting 1 Press J longer than 2 seconds LED monitor shows PAU 2 Press key JJ the light PAUSE on meanwhile light TIMER or COUNTER flash to show preset control mode for PAUSE Example Light COUNTER flash means PAUSE is in COUNTER control mode 3 Use key m to change PAUSE contr ol mode then the relative light TIMER or COUNTER will flash accordingly Example Change PAUSE control mode to TIMER mode 4 Press C to confirm the new control mode lf control mode is TIMER then LED shows time Example 0 1h factory setting If control mode is COUNTER then skip to step 8 5 User may use keys O m to change PAUSE value Example change to 72h 6 Press key CM to confirm the new programmed parameters LED displays End
3. cursor is already at the leftmost bit then press this key the cursor will return to the rightmost position C3 SET KEY Activate programming mode Confirm options or parameters When system is in FAULT state briefly press this key to exit error state after troubleshooting NOTE Programming operation can only be carried out when the system at normal condition If the system is in FAULT state then troubleshooting needs to be done first 2 4 Fault relay SR Fault relay SR is used to indicate the fault status of the controller If controller detects error SR will close and output AC power to indicate that the lubrication system is now in abnormal condition n programming mode if no key operations for more than 2 minute LED turns off automatically and quit current operation 3 Operation guide and programming Controller shows operational parameters and states via LED monitor and LED pilot lights User may change the preset parameters with keys buttons on control panel If PAUSE is set as TIMER mode the measurement unit of the figure on LED monitor is hour If PAUSE is set as COUNTER mode the figure on LED monitor is impulses number Value for LUBE is fixed as counting times 3 1 Display operation LED pilot lights indicate current operation status and control mode LED monitor displays the remaining value of the current status Example System is now in PAUSE phase Timer mode and remaining value is 6 2 h
4. value UC 2C performs oil projection and lubrication movement once every N pitches as show in figure above 4 4 Power off protection function The control unit UC 2C has power off protection function When power is cut off it automatically stores operating status and remaining values at the point of power off When power is supplied again UC 2C will continue carrying out operation from the phase that it stopped UC 2C stores operating status and values in EEPROM The data can reliable be stored for at least 10 years In order to guarantee the operational data is saved properly the interval between power down and next power on should NOT LESS than 3 seconds Otherwise controller may not initiate properly 5 Faults When control unit detects faults light FAULT on the panel will be flashing quickly Meanwhile the fault indicator relay closes and outputs AC power to remind user the lubrication system is in fault condition Control unit stops normal operation and waiting for user to handle the faults User may check the detailed fault reason on LED monitor 5 1 Level monitoring Controller can monitor the level situation of the reservoir via level switch When level is lower than a certain level level switch will open Once the controller detects the level switch opens it gives alarm immediately and all LUBE channels stop at the same time Level monitoring function is activated all the time It cannot be deactivated via setting If
5. O Operation temperature 30C 70C
6. Universal Control Unit UC 2C UC 2C BMBF RAR BIER User s Manual APRS FH Suzhou Leetern Industry Control Department March 2011 Universal Control Unit UC 2C is designed for controlling and monitoring of centralized Lubrication system It is suitable for injection lubrication control for machinery and equipment like conveyor belt and escalator etc UC 2C stores configuration data and parameters in EEPROM which made UC 2C can store data safely for long period without backup power supply The control unit uses LED monitor and LED signal lights to show information It is easy for operation Factory settings on UC 2C Pause mode Timer Pause time 1 min LUBE mode Counter LUBE pulse 10 pulses Current on time 0 2s Pitch adjustment 1 1 Monitoring Level monitoring Without our written permission any forms of translation excerpt copy print and reproduce of this USER MANUAL and its content is prohibited We reserve all rights to this USER MANUAL We reserve the right to revise it without prior notice Manufacturer Suzhou Leetern Industry Control Department Address Rm 102 Building 8 No 22 Xiao Shi Jia Nong Suzhou China Technical Support Fax 86 512 68661838 Technical Support Email Box support leetern com Website http www leetern com Contents Safety Warning 2 1 2 2 2 3 2 4 3 3 1 3 2 3 3 3 4 4 4 1 4 2 4 3 4 4 4 5 Installation Installation dimensions Electrical connection Displa
7. connection may lead to serious personal injury UC 2C is suitable for conveyor escalator and lubrication station to control lubrication system that driven by single phase AC power or similar electrical system When it is used for any other purposes all safety regulations should be complied with Note The area that is circled by white heavy line on PCB is high voltage dangerous area It is prohibited to touch directly with hand or with tools to avoid the danger of electric shock Qualified personnel Qualified person means person trained assigned and instructed by the operator of the equipment concerned They are familiar with relevant safety rules or regulations and have certain knowledge and skills of safety They are entitled to carry out the activities required in a given case and will be able to recognize and avoid possibly existing dangers 1 Installation Universal Control Unit UC 2C is not designed to work in open air It has to be installed in the room or in switch box to protect it from environmental influences Control panel component is designed with O ring seal groove With O ring sealant and proper mounting hole it can reach very high protection level If the control unit is installed at an inaccessible position it is advisable to install additional pilot lights in operation room so that the operation situation of the system can be remote monitored UC 2C must be installed after Class ll over voltage electrical equipmen
8. its final installation 2 1 LED monitor LED monitor displays operating status and parameters 2 2 LED signal lights O p PAUSE Pause indicator light LED PAUSE is on Power is supplied to pump and control unit System is in PAUSE phase In programming Light PAUSE on means the current programmed parameters relate to PAUSE Light on mentioned in this manual means the indicator light is a steady light Light flashes means indicator light flashes by a frequency of 0 5s on and 0 5s off O LUBE Lubricating signal light LED LUBE on Power is supplied to pump and UC 2C System is now in lubrication status In programming Light LUBE on means the current programmed parameter relates to LUBE O LED light TIMER on the current phase is now in TIMER control mode In programming Light TIMER flashes means the control mode can be changed TIMER TIMER mode indicator light O 1 COUNTER COUNTER mode indicator light LED COUNTER on System is now in COUNTER control mode In programming mode Light COUTER flash means the control mode can be changed x FAULT Fault indicator light LED FAULT flash means fault occurs in the lubrication system 2 3 Keys O UP KEY With key J to increase the displayed value at cursor position by 1 in programming state If the digit is already 9 then it will return to O lt LEFT KEY To move left the cursor position when input parameters in programming status If the
9. nsor impulses and carries out LUBE task based on the programmed LUBE impulses When the programmed LUBE impulse number is reached UC 2C goes to PAUSE timing process again and performs the cycle control of PAUSE LUBE PAUSE 4 2 Counter operating mode lf PAUSE is set as COUNTER mode after controller carry out the programmed impulses numbers it begins to detect sensor impulses and carries out LUBE task based on the programmed LUBE impulses When the programmed LUBE impulse number is reached UC 2C goes to PAUSE counting process again and performs the cycle control of PAUSE LUBE PAUSE l l LI 11 Il sensor signal jj fj lube impulse pause for 1 min pump time on lube 1 impulse PEE EEE EE ED ccnccrsicna lube impulse ae pause 1 impulse lube 1 impulse COUNTER mode is the only operation mode for LUBE 4 3 Pitch adjustment Oil projection action performs by tracking sensor signal impulses If the impulses are too dense and pump is required to project oil by tracking each impulse this would lead to the pump cannot track signals successfully This result in the oil projection cannot be performed properly Typical phenomenon is pump stay electrifying status and will not release tT sensor signal BA E B E eins pitch jump 1 1 tT sensor signal jj B lube impulse pitch jump 2 1 User can eliminate this phenomenon by proper pitch jump setting After setting pitch jump
10. t which supplies over voltage protection It is prohibited to install UC 2C directly to a bus bar or a trunk line 1 1 Installation dimension PANEL CUT OUT diagram 9 Na 23 50 55 Outline dimension of control board 1 2 Electrical connection J0 GND J1 LL J2 MK J3 V J4 SR J5 PUMP_A J6 PUMP_B J7 AC_N J8 AC_L J9 PANEL J10 TEST GND PE Level switch Signal input DC 24V Power output Max 50mA Status relay output Pump output A Max 3A Pump output B Neutral wire 90 250V 45 65Hz Live wire To operation panel Interface for test Electrical connection diagram PANEL J9 Switch FAULT L AC 90 250V Note When UC 2C is in use be sure the system voltage is within voltage limit range Power voltage fluctuation should be in the scope of 90V 250V Lower or higher than the voltage limit for long time will permanently damage the control unit If controller is installed on a metal baseboard an 8mm at least net safety space between the metal baseboard and control board should be guaranteed to avoid the danger of electric shock 2 Display and control panel Film panel protects UC 2C from humidity and dust Please use soft cloth with warm water or neutral detergent to clean the film panel Organic solvent is prohibited To avoid damage to the panel do not use sharp tools object to touch it Please do not peel off the protection film before
11. trol parameters Example change to 25 5 Press key ZY to confirm the new setting LED monitor then displays End which means LUBE setting is finish 6 Press key Pg to end the setting operation and get back to display mode The newly set parameters will be saved permanently until next change LUBE value is not allowed to set as O zero if LUBE value is set as 0 press key C3 controller will not accept the new setting 3 4 Pitch ratio setting 1 Press key Ce longer than 2 seconds LED monitor shows PAU 2 Press key Dg until LED monitor displays JUP 3 Press key C3 LED monitor displays current pitch ratio control value Example 0001 factory setting 4 Use keys PJ to modify the pitch ratio control value Example Change to 0002 5 Press key C3 to confirm the new setting LED monitor then displays End which means the setting is finish 6 Press key D to end the setting operation and get back to display mode The newly set parameters will be saved permanently until next change via setting Pitch value setting range is 1 99 Controller does not accept and store any values that beyond this range 4 Operating modes In order to meet different needs in different lubrication control applications controller UC 2C supports multiple operating modes 4 1 Timer operating mode Set TIMER mode for PAUSE After controller carry out the programmed PAUSE time it begins to detect se
12. user DOES NOT need this level monitoring function they can short circuit terminal J1 and J3 on the control board 5 2 Faults display Whenever controller detects fault LED monitor will display corresponding error code and meanwhile light FAULT on the panel flashes The contact of the fault relay inside controller will close and transfer the fault signal to control room or other connected control system When fault occurs the information displayed on LED monitor may be as follow figures Left figure LOL means Low Oil Level fault occurs Right figure ESS means error occurs in the system In this condition please cut the power to the controller for 1 minute if the error still exists when electrify it again please contact manufacturer 5 3 Clear fault messages After the error being handled briefly press key C3 on the panel to clear the error message exit fault state and gets back to normal lubrication circle If the reason that causes the error still exists this operation does not work 6 Technical specification Operation voltage 90V 250V 45 65Hz Max output gt 3A Pump current on time 0 2s LUBE counting times 1 9999 PAUSE time 0 999 9 h PAUSE counting times 0 999 999 Pitch ratio 1 1 99 1 External input signal 10V 30V DC input equivalent resistance of 10k Fault relay output 250V AC 5A Max N
13. y and control panel LED monitor LED signal lights Keys Fault Signal Relay SR Operation guide and programming Operating instruction Set PAUSE parameters Set LUBE parameters Set pitch parameters Operation modes Timer mode Counter mode Pitch adjustment System monitoring Power down protection function 5 Faults 5 1 9 2 5 3 6 Oil level monitoring Fault display Fault message clearance Technical Data Safety Warning Universal Control Unit UC 2C is designed and manufactured not only in conformity with the generally engineering standards industrial safety and accident prevention regulations but also in accordance with some relevant generally industrial technical acceptance standards Although this unit complies with relevant safety technical requirements the use of the unit may still entail dangers leading to personal injury of the user or third parties or damage to property Therefore the unit must be used when it is in perfect technical condition And the operation must strictly comply with operation manual Errors that may affect safety must be rectified immediately The unit is designed for controlling and monitoring centralized lubrication systems The user himself shall be liable for any damage caused by improper use Potential electrical dangers This unit must be connected to the power supply only by trained qualified personnel in accordance with the local electric technical regulations Improper
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