UC-2Au user manual -E
Contents
1. 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 2 1 LED monitor LED monitor displays operating status and parameters 2 2 LED signal lights Q p 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 LUBE Lubricating signal light LED LUBE on Power is supplied to pump and controller 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 COUNTER COUNTER mode indicator light Reservation function N FAULT Fault indicator light LED FAULT flash means fault occurs in the lubrication system 2 3 Keys t UPKEY 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 LEFTKEY To move left the cursor position when input parameters in programming status If the curso2. 4 4 9 4 6 5 1 9 2 5 3 5 4 Installation Installation dimensions Electrical connection Display and control panel LED monitor LED signal lights Keys Signal Lights on control board Operation guide and programming Operating instruction Programming Operation modes Lubrication channel Cycle operation Continuous operation Pulse time and interval System monitoring Power down protection function Faults Level monitoring Compressed Air pressure monitoring Fault display Fault message clearance Technical specification Safety Warning Universal Control Unit UC 2Au 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 controller 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 controller must be c
3. G change pulse interval time value Example change to 1s 12 Press key C to confirm the new pulse interval time LED monitor displays End which means programming will be finished 13 Press key J controller then quit programming mode and back to normal operation display states All the new programmed parameters will be saved permanently until next change via programming 4 Operation modes Controller supports multiple operation modes to meet different lubrication control application s needs 4 1 Lube channels Controller owns silicon controlled rectifier A and relay B two lubrication channels Channel A can output high speed pulses to drive fast speed lubrication devices with solenoid valve and solenoid pump Channel B can synchronous running with channel A closes in lubrication period to drive lubrication device But channel B cannot output high speed pulses If lubrication system only use channel A to perform lube task channel B can be used to indicate the lubrication status 4 2 Cycle operation mode After setup LUBE time and PAUSE time controller will perform LUBE task outputs lube pulses according to the pre set time When the programmed LUBE time is reached controller goes to PAUSE state and stop outputting LUBE pulses When preset PAUSE time ends controller goes to LUBE state again and performs the cycle control of PAUSE LUBE PAUSE 4 3 Continuous operation If PAUSE time is set as O
4. OT set as 0 zero then LED monitor shows the LUBE remain value Example Current remain value of LUBE is 10s If PAUSE time is set as O zero LED monitor only displays LUb in LUBE state Please refer to chapter 5 for detailed Error status display and instruction 3 2 Programming 1 Press C longer than 2 seconds LED monitor shows PAU which means controller is now in programming mode user can setup PAUSE time 2 Press key C3 the light PAUSE on LED displays present PAUSE time paramter Example 0 min factory setting 3 Use key to change PAUSE value OO Example Change to 480min 8 hours 4 Press to confirm the new PAUSE parameter LED now displays LUb which means the controller is now in LUBE time setup state 5 Press CJ light LUBE on LED onitor displays preset LUBE time Example 9999 s factory setting 6 Use key m to change LUBE value Example Change to 120 s 7 Press key D to confirm the new LUBE time LED displays tPU which means now begin to setup parameters for channel 8 Press key QJ light LUBE on LED displays the current preset pulse time for channel A Example 0 33 s factory setting 9 Use key a E to change pulse time value Example change to 0 5 s 10 Press key C3 to confirm the new pulse time Light PAUSE on LED monitor displays the current pulse interval time for channel A Example 0 33 s factory setting 11 Use keys O
5. Universal Control Unit UC 2Au UC 2Au A BBA Bes User s Manual A PRBS FH Suzhou Leetern Industry Control Department March 2011 Universal Control Unit UC 2Au is designed for controlling and monitoring of centralized Lubrication system It is suitable for minimal quantity air oil mist lubrication system brushing lubrication control or other application where solenoid pump is used Configuration data and parameters are saved in EEPROM which made UC 2Au 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 2Au Pause mode Timer Pause time O min no PAUSE LUBE mode Counter LUBE pulse 9999 pulses Current on time 0 33 s Pulse interval time 0 33 s Monitoring Level monitoring Compressed Air pressure 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
6. nitoring function they can short circuit terminal J2 and J3 on the control board 5 3 Fault information Whenever controller detects fault LED monitor will display corresponding error code and meanwhile light FAULT on the panel flashes 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 LAP means Low compressed Air Pressure error is detected lf LED monitor displays ESS this means error occurs in the system In this condition please power off the controller for at least 1 minute if the error still exists when electrify it again please contact manufacturer 5 4 Clear fault messages After the error being handled briefly press key C 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 Working voltage 90V 250V 45 65Hz SCR M output gt 3A Relay M output 25A Pulse time 0 01 99 99 s Pulse interval 0 99 99 s PAUSE time 0 9999 min LUBE time 1 9999 s External input signal 10V 30V DC input equivalent resistance of 10k Working temperature 30C 0C User Manual UC 2Au V 0 1 Mar 2011
7. onnected 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 lt is suitable for 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 by 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 2Au 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 UC 2Au must be installed after Class II over voltage electrical equipment which supplies over voltage protection It is prohibited to install UC 2Au directly to a bus bar or a trunk line 1 1 Ins
8. r is already at the leftmost bit then press this key the cursor will return to the rightmost position e SETKEY 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 Signal Light on control board SL Red Signal Light SL on control board is used to show the output status of channel A When channel A outputs pulses SL is ON when pulses disappear SL will be off 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 For parameters of PAUSE the measurement unit of the figures displayed on LED monitor is minute for parameters of LUBE current on time and interval the measurement unit is second 3 1 Operation guide 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 200 minutes If controller is now in LUBE phase and PAUSE is N
9. r off When power is supplied again It will continue carrying out operation from the phase that it stopped Controller stores operating status and parameters in EEPROM The data can reliable be stored for at least 10 years 5 Faults When controller detects faults light FAULT on the panel will be flashing quickly to remind user error occurs in lubrication system Meanwhile controller stops normal operation and waiting for user to handle the faults Detailed error type information will be displayed 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 setup If user DOES NOT need this level monitoring function they can short circuit terminal J1 and J3 on the control board 5 2 Compressed air pressure monitoring some lubrication systems use compressed air as the working medium Controller can monitor the compressed air pressure via pressure switch When pressure is too low pressure switch will open controller gives alarm immediately and all lubrication channels stop Compressed air pressure monitoring function is activated all the time It cannot be deactivated via setup If user DOES NOT need this mo
10. tallation dimension Operation board dimension 30 PANEL CUT OUT diagram Outline dimension of control board gt J10 waite eu Gt Seis E falta fale fom c11 fil omy HI S Mo 5 amp j amp mmj nj 1 2 Electrical connection JO GND J1 LL J2 LAP J3 V J4 SR J5 PUMP_L J6 PUMP_N J7 AC N J8 ACL J9 PANEL J10 TEST GND PE Level switch Compressed Air pressure switch DC 24V Relay output of Channel B Output L of channel A Output N of Channel A Neutral wire Live wire To operation panel Interface for test Electrical connection diagram PANEL Low Leve CHANNEL B Li CHANNEL A be AC 90 250V Channel A and B s outputs belong to live wire AC_L their return current is on neutral wire AC NN Lubrication devices should be connected between CH A and AC N CH B and AC N Note When UC 2Au 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 2Au from humidity and dust Please use soft cloth with warm water or neutral detergent to clean
11. zero controller will get into continuous operation mode In this mode controller will always work in LUBE state continue outputs LUBE pulses and will not go to PAUSE state In this operation mode LED monitor displays LUb and does not show remain time NENNEN output of channel B Tid output of channel A pulse time Pulse interval LUBE time PAUSE time LUBE time 4 4 Pulse time and pulse interval Channel A outputs lube pulses to drive lubrication device to perform lube tasks The output time of LUBE pulse is called PULSE TIME The time interval between two pulses is called PAUSE INTERVAL These two parameters can be setup separately to adjust lubrication system s working condition The programmable pulse time range is 0 01 99 99 s Since Alternating Current exists zero effect it is NOT recommended to setup a too small pulse time parameter because it may cause unstable pulse output The programmable pulse interval range is 0 99 99 s for the same reason explained above it is NOT recommended to setup a too small pulse interval parameter If pulse interval is set as O zero channel A will be same as channel B it opens and continue outputs current during lube period and closes in non lube period and stop outputting current 4 5 Power off protection function The controller has power off protection function When power is cut off it automatically stores operating status and remaining values at the point of powe
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