UC-1AC user manual
Contents
1. 4 1 Timer operation Set TIMER for both PAUSE and LUBRICATION The control of the lubrication cycle takes place based on the values preset for PAUSE and CONTACT times lt carries out the operation cycle of PAUSE LUBRICATION Press key or external DK button can insert a lubrication or clear fault message External DK button can be connected to the DK MK input terminal 4 2 Counter operation Pause depends on pulses Set Counter for PAUSE and Timer for LUBE Connect an external impulse transmitter to the DK MK input terminal PAUSE Display and program values in pulses LUBE Display and program values in seconds 4 3 Combination operation Pump running is controlled by external impulse PAUSE Display and program values in pulses or time LUBRICATION Display and program values in pulses Users may combine COUNTER MODE of pause with COUNTER MODE of lubrication or TIMER MODE of pause with COUNTER MODE of lubrication 4 4 Forced operation During PAUSE period briefly press key a on the panel controller will carry out a LUBE process once During the forced LUBE period briefly press key e will abort the LUBE cycle If press and hold key e controller will force the pump to operate until release the key During this process controller does not carry out any monitoring function These two function can be used in system state s debugging testing and trouble shooting 4 5 Syst2. dimensions Electrical connection Display and control panel LED monitor LED signal lights Keys SL signal lights Operation guide Display operation Programming operation Operation modes Timer operation Counter operation Combination operation Forced operation System monitoring Power down protection function Faults Fault display Fault message clearance Pressure Switch monitoring Cycle Switch monitoring Block operation Technical data Safety Warning Universal Control Unit UC 1AC 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
3. output 50 max J4 SR State relay output J5 PUMP_A Connect pump motor A J6 PUMP_B Connect pump motor B J7 AC N AC input N J8 AC L AC input_L J9 PANEL Signal line to operation panel Terminal connection diagram PANEL J9 Polls DK MK FAULT AC 90 250V Note Please make sure that the system voltage matches the voltage range claimed for the control unit UC 1A The fluctuation of supply voltage should be within the limit of 9OV 250V Lower or higher than the voltage limit will permanently damage the control unit If the lowest required voltage is not guaranteed please purchase Low Voltage Protector to protect the control unit against low voltage 2 Display and control panel Film panel protects UC 1A from humidity and dust Please use soft cloth with warm water or neutral detergent to clean the film panel Organic solvent is prohibited Do not use sharp tools object to touch the panel Please do not peel off the protection film before its final installation 2 1 LED monitor LED monitor displays operating status and parameters It is deactivated normally To activate it press key O LED monitor then start to display current status and programmed parameters 2 2 LED signal light O p LED PAUSE is on Power is supplied to pump and control unit System is in PAUSE status In programming PAUSE light on means the current programmed parameters relate to PAUSE Light o
4. parameters 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 External Signal Light SL lf an external signal light SL has been installed SL will flash for 3 seconds after the start switch is started Note Control unit needs a certain time to save the operating parameters at the point of power down so that the lubrication task could be continued after the break The interval of the power down and the next power on should not be shorter than 3 seconds Otherwise control unit may not start properly and SL will not flash Whenever the controller is performing the lubrication task light SL will be on indicating the status of lubrication If the controller detects any faults during operating process light SL will be flashing to remind user that the lubrication system is in fault Under display mode or programming mode if no key operations for more than 2 minute LED turns off automatically and quit current operation 3 Operation guide Briefly press key O to activate display The current values and the preset parameters are displayed During normal operation LED signal lights are used to show current status of the control unit Press and hold key O to activate programming operation Please refer to chapter 3 2 lt Programming operation gt for the detailed operation If PAUSE is set as TIMER mode the
5. Universal Control Unit UC 1AC UC 1AC SAHR ASE 105 User s Manual AFRFESFH AC version controller Suzhou Leetern Industry Control Department May 2012 Universal Control Unit UC 1AC AC version controller is designed for controlling and monitoring of centralized lubrication systems of engineering machinery chassis and lubrication stations which are AC power supply UC 1AC stores control modes and parameters in EEPROM which made UC 1AC 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 1AC are as followings Pause mode timer Pause time 480 min 8h Lube mode timer Lube time 120s 2 min System monitoring Pressure Switch Cycle Switch OFF 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 4 9 4 6 9 1 9 2 9 3 9 4 9 0 Installation Installation
6. em Monitoring Controller can be set as Pressure Switch monitoring to monitor the pressure build up situation in main pipe If pressure switch does not detect proper pressure during lubrication period fault will be automatically detected and displayed Controller also can be set as Cycle Switch monitoring to monitor the movement of progressive distributor s plunger If Cycle Switch does not detect movement of the plunger during lubrication period fault will be automatically detected and displayed If lubrication system does not need monitoring please set monitoring as OFF Under this situation lubrication cycle only carries out lubrication by PAUSE AND LUBE control parameters and does not do failure monitoring 4 4 Power down protection function The control unit has power down protection function When power is cut off the control unit auto stores operating status remaining values and relative system data at the point of power off When next electrify starts the control unit will continue carrying out operation from last point of power off The control unit stores operating status and values in EEPROM The data can reliable be stored for 10 years 5 Faults When control unit detects system faults LED FAULT on the panel will be flashing quickly If an external Signal Light has been installed light SL will be also flashing to remind user the lubrication system is in fault Meanwhile the control unit stops normal ope
7. es the control unit is now in Drive phase of the block operation 6 Technical Data Voltage of power supply Type of protection Max Load output M SL output Data storage Operation temperature Storage temperature Control board dimensions Operation board dimensions Programmable LUBE time range Programmable PAUSE time range Programmable counting impulses range User Manual of Universal Control Unit UC 1AC V1 0 May 2012 90V 250V 45 55Hz IP40 with housing 3A 3W No limitation 30 C 75 C 45 C 85 C 92 5mm L x58mm W x25mm H 65mm L x65mm W x15 5mm H 1s 9999s 1min 9999min 179999 Notes Notes
8. ile light TIMER or COUNTER flashes to show preset control mode for PAUSE Press key e can change the control mode And flashing light will be changed accordingly 2 Press J to confirm the new control mode LED monitor then shows preset parameter for PAUSE Example 480 min factory setting 3 User may use keys O Do change PAUSE value Example change to 540 min 9 h 4 Press key e to confirm the new PAUSE value LED then shows LUb and light PAUSE off light LUBE on UC 1A begins to show preset LUBE control mode 5 Use key e to change LUBE control mode Following the change relative lights TIMER or COUNTER will be flashing accordingly Example Change to COUNTER mode 6 Press key C3 to confirm the new LUBE control mode LED monitor then shows preset LUBE control value Example 120 seconds Factory setting 7 Use keys 7 ag to change LUBE parameter Example change to 180 seconds 3min 8 Press key C to confirm the new LUBE value Then FAULT light on LED monitor displays the current monitoring settings Example PS Pressure Switch monitoring factory setting Use key 3 to change monitoring mode Example CS Cycle Switch monitoring Or OFF monitoring disabled 9 Press key C3 to confirm the new lubrication control value LED monitor goes out and quit programming state The new parameters are saved permanently till next change programming 4 Operation modes
9. measurement unit of the figure on LED monitor is minute If LUBRICATION is set as TIMER mode then the measurement unit of the figure on LED monitor is second If LUBRICATION is set as COUNTER mode the figure on LED monitor is number of times 3 1 Display operation 1 Briefly press key e to show current states control modes and remain value Example PAUSE light on means it is now in PAUSE phase TIMER light on means PAUSE is in TIMER mode And remaining time is 162 minutes 2 Press key O the figure on LED monitor begins flash this means the figure is preset PAUSE control value Example Preset PAUSE time is 480 c O O minutes P od 3 Press key J to show LUBRICATION control mode and remaining value Example TIMER light on means LUBRICATION is in TIMER mode Remaining value shows because it is now in PAUSE phase 4 Press key O the figure on LED monitor begins flash this means the figure is preset LUBRICATION value Example Preset LUBRICATION time is 120 seconds 9 Presa to display system monitoring setting Displayed content may be PS Monitoring via Pressure Switch or CS Monitoring via Cycle Switch or OFF Monitoring disabled 6 Press key D LED monitor displays End which means no more parameters to be displayed 7 Press key 3 to quit LED display 3 2 Programming operation 1 Press longer than 2 seconds LED monitor shows PAU PAUSE light on meanwh
10. n 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 signal light O LUBE Lubricating signal light LED LUBE on Power is supplied to pump and UC 1A System is now in lubrication status pump motor is running In programming LUBE light on means the current programmed parameter relate to LUBRICATION E TIMER Timer mode indicator light LED TIMER on System is now in TIMER control mode In programming TIMER light flashes means the control mode can be changed O 1 LED COUNTER on System is now in COUNTER control mode In programming COUTER light flashes means the control mode can be changed COUNTER COUNTER mode indicator light N FAULT Fault indicator light LED FAULT flashes means fault occurs in the lubrication system Press key O fault message will be displayed on LED monitor 2 3 Keys t UPKEY Activate monitor Increase with key the displayed value at cursor position by 1 in programming state If the digit is already 9 then it will return to 0 lt LEFT DK key To move 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 In FAULT state to clearance fault message ENTER KEY Activate programming mode Confirm options or
11. ogrammed a block operation will be automatically activated when no signal from the cycle switch is received during the pump running time To test Cycle Switch 1 When no signal from CS is received during the pump running period the normal lubrication operation will be aborted then a 15 min interval block operation begins 2 When the 1 15 min block interval ends it drives the pump lf signal from CS is received the block operation will be aborted System goes back to normal lubrication cycle If there is still no signal from CS then another block operation begins 3 If signal from CS is received during the 2 15 min interval the block operation is aborted and the system will go back to normal operation If there is no signal from CS then the 3 block operation begins 4 If the system receives signals from CS during the 3 15 min interval then it will go back to normal lubrication cycle If there is still no signal received then the block operation is aborted and a fault message is displayed lf the preset PAUSE time is shorter than 15 min the block pause will correspond to the preset value During block operation relevant LED on the control panel will be flashing to indicate that the control unit is now performing block operation LED CS flashes alternative with LED PAUSE means the control unit is now in the Pause phase of the block operation LED CS flashes alternative with LED CONTACT indicat
12. ration and wait for user to handle the faults User may check the detailed reason of the fault through LED monitor 5 1 Display faults Briefly press 7 fault information will be displayed LED monitor The meaning of the displayed information are No signal is received from Pressure switch during pump running time No signal is received from Cycle switch during pump running time Controller detects Level Switch error signal The control unit itself has error inside lf such situation occurs get the control unit power off then get it power on 1 minute later If error still exists please contact the manufacturer 5 2 Clear fault messages Press e or external DK button to clear fault messages and to start a normal lubrication cycle Please note e and external DK button must be used after determining and correcting the faults The user himself is liable for any damages caused by operating the equipment without lack of lubrication 5 3 Pressure Switch monitoring If external Pressure Switch has installed system will stop once no signal is received from pressure switch during pump running time Controller then gives alarm signal 5 4 Cycle Switch monitoring If external Cycle Switch is used to monitor the movement of the progressive distributor system will stop once no signal is received from cycle switch during pump running time Controller then gives alarm signal 5 5 Block operation lf CS Cycle Switch is pr
13. technical regulations Improper connection may lead to serious personal injury This unit is designed to use in battery powered on board electric system of chassis engineering equipment and lubrication station When it is used for any other purposes all safety regulations should be complied with 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 1A is not designed to work in open air it has to be installed in an enclosed compartment to protect it from environmental influences If the control unit is installed at an inaccessible position it is advisable to install additional signal lights and illuminated pushbutton in operation room So that the operating situation of the control unit can be remote monitored 1 1 Installation dimension 56 PANEL CUT OUT diagram Outline dimension of control board Dimension with housing C AC 90 250V 1 2 Electrical connection JO GND Ground J1 PS CS External Pressure Switch or Cycle Switch J2 DK MK External pushbutton timer operation Counter signal input counting operation J3 24V 24V sensor power
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