UC-2A user manual_E
Contents
1. 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 PAUSE Pause indicator light amp 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 TIMER TIMER mode indicator light 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 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 O EN FAULT Fault indicator light LED FAULT flash means fault occurs in the lubrication system 2 3 Keys t UP KEY With key D 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 cursor is already at the leftmost bit then press this key the cursor will return to the rightmost position C3 SET KEY Acti2. 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 1 sensor signal BA E B E oms pitch jump 1 1 sensor signal lube impulse pitch jump 2 1 User can eliminate this phenomenon by proper pitch jump setting After setting pitch jump value controller performs oil projection and lubrication movement once every N pitches as show in figure above 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 user DOES NOT need this level monitoring function they can short circuit terminal J1 and J3 on the control board 5 2 Faults d
3. bar or a trunk line 11 Installation dimension 59 PANEL CUT OUT diagram Outline dimension of control board 1 2 Electrical connection JO GND J1 LL J2 MK J3 V J4 SR J5 PUMP_L J6 PUMP_N J7 AC_N J8 AC_L J9 PANEL J10 TEST GND PE Level switch Signal input DC 24V power Status relay output Pump output L Pump output N Neutral wire AG Live wire To operation panel Test interface Electrical connection diagram PANEL J9 Switch o 9e L o f ay FAULT AC 90 250V Note When UC 2A 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 2A 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 its final installation 21 LED monitor LED monitor displays operating status and parameters 2 2 LED signal lights O p
4. 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 2A 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 lf 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 2A must be installed after Class over voltage electrical equipment which Supplies over voltage protection It is prohibited to install UC 2A directly to a bus
5. Universal Control Unit UC 2A UC 2A WAHE RAE Ble User s Manual A PRBS FH Suzhou Leetern Industry Control Department March 2011 Universal Control Unit UC 2 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 2A stores control modes and parameters in EEPROM which made UC 2A can store data safely for long period without backup power supply The control unit uses LED monitor and LED signal lights to show information lt is easy for operation Factory settings on UC 2A are as followings Pause mode timer Pause time 1 min Lube mode counter Lube impulses 10 Electrifying time 0 2s Pitch adjustment 1 1 System 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 1 3 2 4 1 4 2 4 3 4 4 5 1 5 2 5 3 Installation Installation dimensions Electrical connectio
6. e new setting LED monitor then displays End which means all setting are finish 12 Press key D o end the setting operation and get back to display mode The newly set parameters will be saved permanently until next change via setting 4 Operating modes In order to meet different needs in different lubrication control applications controller UC 2A 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 sensor impulses and carries out LUBE task based on the programmed LUBE impulses When the programmed LUBE impulse number is reached UC 2A 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 carries out LUBE task based on programmed LUBE impulses When the programmed LUBE impulse number is reached controller goes to PAUSE counting process again and performs the cycle control of PAUSE LUBE PAUSE L1 11 I sensor signal jj gj lube impulse pause for 1 min pump time on lube 1 impulse PEE EEE EE TT x lube impulse mM 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
7. he remaining LUBE value is 10 impulses And LUBE mode is fixed as COUNTER mode Please refer to chapter Error status display and instruction for details 3 2 Programming 1 Press 0 longer than 2 seconds LED monitor shows PAU light PAUSE on meanwhile indicator light TIMER or COUNTER is flashing to indicate preset PAUSE control mode 2 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 3 Press key C3 to confirm the new control mode LED monitor then display preset PAUSE control value Example 1 min factory setting 4 User may use keys 0 KJ change PAUSE value Example change to 480 min 8h 5 Press key 0 to confirm the new PAUSE value LED monitor then shows LUb light PAUSE goes off light LUBE on Now user can modify LUBE parameters 6 Press key 0 LED monitor displays preset LUBE parameters Example 10 impulse factory setting T Use keys t ie to change LUBE control parameters Example change to 10 impulse 8 Press key D to confirm the new LUBE parameter Then all lights off LED displays JUP User can program pitch ration control value 9 Press key C LED monitor displays current pitch ratio control value Example 0001 factory setting 10 Use keys db modify the pitch ratio control value Example Change to 0002 11 Press key C to confirm th
8. isplay 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 0 on the panel to clear the error message exit fault state and gets back to normal lubrication circle lf 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 9999 min PAUSE counting times 0 9999 Pitch ratio 1 1 99 1 External input signal 10V 30V DG input equivalent resistance of 10k Fault relay output 250V AC 5A Max N O Operation temperature 30C 0C
9. n Display and control panel LED monitor LED signal lights Keys Fault indicator relay SR Operation guide Display operation Programming operation Operation modes Timer operation Counter operation Pump s action adjustment System monitoring Faults 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 connection may lead to serious personal injury UC 2C is suitable for conveyor escalator and
10. vate 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 In 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 lf PAUSE is set as TIMER mode the measurement unit of the figure on LED monitor is minute 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 360 min 6 hours If system is in LUBE phase the condition of control panel will be shown like the right figure This figure shows t
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