LC5248 Tiny OnOff Controller 2
Contents
1. 5 9 ENVIRONMENTAL CONDITION e Insulation Resistance gt 200MQ 500VDC Molding type ABS Plastic Weight 120 Gms Ambient Temperature 0 to 55 C Humidity 30 to 95 RH non condensing Storage Temperature 0 80 C Page 8 of 10 Low Cost On Off Temperature Controller LC5248 masibus Ref No m49l om 101 Issue No 06 6 Applications Of LC5248 Temperature Controller LC5248 Temp Controller Figure 5 Direct Load Connected with Line L On HO L LC5248 c Q Temp d NC NO Controller l O LOAD al RELAY NO E Figure 6 Direct Load Connected with Neutral Note application either C to Line or Neutral 1 Relay has three potential free terminals C amp NO User can use according to 2 The application Figure is for reference only 7 Maintenance User s Manual Page 9 of 10 Low Cost On Off Temperature Controller LC5248 masibus Ref No m49l om 101 Issue No 06 As a precautionary step please switch off the units before troubleshooting Disconnect the Unit suspected of being faulty and bring it to workshop for testing and repair Component replacement or any other change must be made by a company person only User s Manual Page 10 of 102. corresponding with our Customer Support Division Do not use this instrument in areas such as excessive shock vibration dirt moisture corrosive gases or rain The ambient temperature of the areas should not exceed the maximum rating specified Provides power from single phase instrument power supply If there is a lot of noise in the power line insert an insulating transformer into the primary side of the line and use a line filter on the secondary side As counter measures against noise do not place the primary and secondary power cables close to each other 3 INSTALLATION GUIDELINE 3 1 Mounting Details Figure 2 Mounting Details FRONT BEZEL 48 x 48 mm PANEL CUTOUT 45 x 45 mm DEPTH BEHIND THE PANEL 77 mm Note gt UNPACKING Upon receipt of the shipment remove the unit form the carton and inspect the unit for shipping damage If any Page 3 of 10 Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 damage due to transit report and claim with the carrier Write down the model number serial number and date code for future reference when communicating with our Customer Support Division Use external switch or circuit breaker and external over current protection devices to protect whole panel or instrument in hazardous condition Do not use this instrument in areas such as excessive shock vibration dirt moisture corrosive gases or rain The ambient te
3. Figure 2 Mounting Details 03 Figure 3 Terminal Connections 04 Figure 4 Details of Front Panel 04 Figure 5 Direct Load connected with line 09 Figure 6 Direct Load connected with neutral 09 Note Information in this manual is subject to change without prior notice or permission A WARNING SYMBOL The symbol calls attention to the operating procedure practice or the like which if not correctly performed or adhered to could result in personal injury or damage to or destruction of part or all of the product and system Do not proceed beyond a warning symbol until the indicated condition are fully understood and met O INSTRUMENT Note Class 2 Instrument is using Line amp Neutral for Power Supply Input Page 2 of 10 Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 1 INTRODUCTION 1 1 Purpose of the Manual 1 1 1 How to read this manual Installer Read Chapters 1 4 5 System Designer and New User Read All Chapters Expert User Read Chapters 5 6 7 1 1 2 Regarding This User s Manual This manual should be provided to the end user Keep an extra copy or copies of the manual in a safe place Read this manual carefully to gain a thorough understanding of how to operate this product before starting operation This manual describes the functions of this product Masibus does not guarantee the application of these functions for any par
4. 00 0 Page 6 of 10 Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 Press 2 OR x 00 00 By inc dcr key value of decimal point can be changed in PV and SV window Press Q dP masibus CALIBRATION MODE Here one shot calibration is implemented Press and then it will show PASS i e To save changed or unchanged value of password mode enter correct password and then DECIMAL POINT as in PV and SV window R press AAS and then Key to enter calibration Press ES to configure Brightness Press to configure OPENSENSOR Note 1 Decimal Point is only available with 0 5V 0 20mA or 1 5V 4 20mA input 4 3 10 CONFIGURE BRIGHTNESS Display BRhT Press 10 Press 3 OR y 50 By inc dcr key value of brightness can be changed in SV window Press 50 To save changed or unchanged value of BRIHTNESS as in SV window Press or open sensor to configure DP if linear input type Press to configure PASSWORD 4 3 11 CONFIGURE PASSWORD Display PASS Press 0 Press g OR y 1 By inc dcr key value of password can be changed in SV window Press PASS To save changed or unchanged value of password as in SV window Press to configure BRIGHTNESS Press BM B Key together to come out of configuration mode Press B B Key together to enter in run mode User s Manual mode 4 4 1 CALIBRATION AMBIENT Display Cal Press
5. Amb Press 30 0 Press g OR x By inc dcr key value of ambient can be changed in SV window Press Q Amb To save changed or unchanged value of AMBIENT as in SV window Press a to configure ZERO 4 4 2 CALIBRATION OF ZERO Display CALZ Press 099 8 8 100 By inc dcr key value of calz can be changed in SV window Press Q CALZ To save changed or unchanged value of CALZ as in SV window Press to calibrate SPAN Press to configure AMB 4 4 3 CALIBRATION OF SPAN Display CALS Press 1099 SB 1200 By inc dcr key value of cals can be changed in SV window Press Q CALS To save changed or unchanged value of CALS as in SV window Page 7 of 10 Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 Press z to configure ZERO Note 1 Amb calibration is only available with J K T C input Press 2 Key together to come out of calibration mode 5 SPECIFICATION 5 1 DISPLAYS e Process Value and Parameter display 4 digits 0 40 Seven Segment Red LED s For Process Variable in degree Celsius 4 digits 0 28 Seven Segment Green LED s for set Value in degree Celsius e Status Display Individual discrete Red LED s to Indicate relay status e Operation Keys INC DEC For increment and decrement of various parameters and setpoint SET1 and SET2 set parameters and setpoints 5 2 INPUTS e RTD PT100 3 wire PT 100 0 1 C Automa
6. InPt Press tCkl User s Manual masibus Press BR OR Ka tCk 1 Press InPt To save changed or unchanged value of ZERO as in SV window Press A to configure ZERO 4 3 2 CONFIGURE ZERO Display ZErO Press 100 SB 150 By inc dcr key value of zero can be changed in SV window Press ZErO To save changed or unchanged value of ZERO as in SV window Press a to configure SPAN Press to configure INPT 4 3 3 CONFIGURE SPAN Display span Press 1200 SB 1372 By inc dcr key value of span can be changed in SV window Press SPAN To save changed or unchanged value of SPAN as in SV window Press to configure SET POINTI type Press to configure ZERO 4 3 4 CONFIGURE SET POINTI TYPE Display tSP1 Press H on Press a OR x L on By inc dcr key value of setpoint 1 can be changed in SV window Press tSP1 To save changed or unchanged value of SETPOINT 1 type as in SV window Page 5 of 10 Low Cost On Off Temperature Controller LC5248 masibus Ref No m49l om 101 Issue No 06 Press Al to configure Hysteresis 1 Press to configure SPAN 4 3 5 TO SET VALUE OF HYSTERESIS 1 Display Hy Press 10 Press B OR Ea 20 By inc dcr key value of hysteresis 1 can be changed in SV window Press Hy To save changed or unchanged value of HYSTERESIS 1 as in SV window Press to configure setpoint 2 type Press to configure setpoi
7. Low Cost On Off Temperature Controller LC5248 masibus Ref No m49l om 101 Issue No 06 Low Cost On Off Temperature Controller Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 Contents JINTRODUCTION 02 1 1 Purpose of the Manual 1 2 Product over View Description 1 3 Product Ordering Code 1 4 List of Accessories 2 SAFETY WARNING 03 PRECAUTIONS 2 1 Safety Precautions 2 2 Warning Precautions 3 INSTALLATION GUIDELINES 03 3 1 MOUNTING DETAILS 03 3 2 TERMINAL CONNECTION 04 3 3 FRONT PANEL DESCRIPTION 04 4 OPERATION GUIDELINE 04 4 1 RUN MODE 04 4 2 PASSWORD MODE 05 4 3 CONFIGURATION MODE 05 4 3 1 Configure Input Type 4 3 2 Configure Zero 4 3 3 Configure Span 4 3 4 Configure Set point Type 1 4 3 5 Configure Hysteresis 1 4 3 6 Configure Set point Type 2 4 3 7 Configure Hysteresis 2 4 3 8 Configure Open Sensor 4 3 9 Configure Decimal Point 4 3 10 Configure Brightness 4 3 11 Configure Password 4 4 CALIBRATION MODE 07 4 4 1 Calibration of Ambient 4 4 2 Calibration of Zero 4 4 3 Calibration of Span 5 SPECIFICATIONS 07 5 1 Displays 5 2 Inputs 5 3 Input Range 5 4 Accuracy 5 5 Output 5 6 Calibration 5 7 Types of Set points 5 8 Power Supply 5 9 Environmental condition 6 Application of LC5248 Temperature Controller 09 7 Maintenance 09 User s Manual masibus Figures Figure 1 Typical Relay Operation 02
8. dication ON when relay 2 is energized 4 OPERATION GUIDELINE 4 1 Run Mode Ambient will be displayed when decrement key is pressed in run mode Only if T C type input is selected Press 30 0 if enter key pressed then setpoint 1 will appear on PV window Press st l Page 4 of 10 Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 press ES on EB 100 By inc dcr key value of setpoint 1 can be changed in SV window Press O st 2 This will save the changed or unchanged setpoint value press ES or EB 200 By inc dcr key value of setpoint 2 can be changed in SV window When enter key pressed changed or unchanged value of SETPOINT 2 will be saved as in SV window and unit will come in run mode 4 2 Password Mode Press password mode Display PASS Press 0 Press g OR g 1 Press Once correct password is entered then configuration will be displayed if user does not change the password from change password submenu then initial password would be 1 else the user can change the password by entering into configure mode and going to pass submenu Key together to enter ConF Press password mode Key together to come out of 4 3 CONFIGURATION MODE Press enter correct password and then press key to enter configure mode and then it will show PASS 4 3 1 CONFIGURE INPUT TYPE Display ConF Press
9. in amount before then only output will turn off or on again On Off hysteresis prevents the output from chattering or making fast continual switches if the cycling above and below the set point occurs very rapidly TYPICAL RELAY OPERATION HIGH TYPE LOW TYPE Hysteresis Y OFF Set Value amp Hysteresis Figure 1 Typical Relay operation High type For High type of set value once process value reaches up to set point Hysteresis value relay will be ON after nearly 1 5 seconds and it will be ON until process value goes down to Set point Low type For Low type of set value once process value reaches down to set point Hysteresis value relay will be ON after nearly 1 5 seconds and it will be ON until process value goes up toward Set point 1 3 Product Ordering Code LC5248 Input Types W 1 C J J W 0 1 C 1 Aux Power Supply p lt 85 265 VAC 18 36 VDC Dp X Specify from table Page 2 of 10 Low Cost On Off Temperature Controller LC5248 Ref No m49l om 101 Issue No 06 1 4 List Of Accessories Sr No Description Quantity Of Accessories Mounting Clamps Mounting clamps should be of proper length and type according to the module of instrument 2 SAFETY WARNING PRECAUTIONS 2 1 Safety Precautions High voltages capable of causing damage are sometimes present in this instrument Bef
10. mperature of the areas should not exceed the maximum rating specified 3 2 Terminal Connection ea MOT my ci vedios nee Qe we l ay 0 1 Use Externally d c2 or sno OZ o INPUT eA cmm RANGE ss masibus BS265VAC www masibus com Figure 3 Terminal connection 1 Terminal 5 amp 6 Power Supply Input 85 265VAC 50Hz 120 290VDCor 18 36 VDC optional Note a Use gt 250V 1 Amp Cable for Power Supply b If cable has two parallel wires inside then Isolation between the wires should be 2 5 KV 2 Terminal 1 amp 2 For Relay 1 potential free Contacts Use 230V 2A load 3 Terminal 3 amp 4 For Relay 2 potential free Contacts Use 230V 2A load 5 Terminal 7 For RTD Input Only 6 Terminal 8 amp 9 For T C amp Linear Input For Current Input Use Resistor 250Q 0 1 externally User s Manual masibus 3 3 FRONT PANEL DESCRIPTION 1 RL2 d Figure 4 Details of Front Panel 1 Ent Key Q By pressing increment Decrement key Increment amp Decrement value in SV window respectively On pressing ENT Key the Respective value is stored and Displayed on SV window in CONF and CAL mode 2 Increment cove amp Decrement Key EA On pressing this both key Shows PASS in PV windows 3 PV window 4 digital 0 40 inch RED Display 4 SV window 4 digital 0 28 inch GREEN Display 5 Relay 1 Indication ON when relay 1 is energized 6 Relay 2 In
11. nt 1 type 4 3 6 CONFIGURE SET POINT2 TYPE Display tSP2 Press Hon Press a OR E2 L on By inc dcr key value of setpoint 2 can be changed in SV window Press tSP2 To save changed or unchanged value of SETPOINT 2 type as in SV window Press Al to configure Hysteresis 2 Press z to configure Hysteresis 1 4 3 7 TO SET VALUE OF HYSTERESIS 2 Display Hy Press 10 Press 2 OR y 20 By inc dcr key value of hysteresis 1 can be changed in SV window User s Manual Press Q Hy To save changed or unchanged value of HYSTERESIS 1 as in SV window Press to configure open sensor Press z to configure setpoint2 type 4 3 8 CONFIGURE OPEN SENSOR Display OPES Press Q UP Press A OR iy dn By inc dcr key value of open sensor can be changed in SV window Press dn To save changed or unchanged value of Open sensor as in SV window Up scale Under Open condition PV is treated above set point Down scale Under Open Condition PV is treated below set point Table 1 Hi On_ PV gt SP On On PV lt sp o oE Opensensor_ Upscale On On _ sd Down scale Off Off eee pT PV lt SP On On Downsscale On On Where SP Set Point PV Process value Press A to configure BRIGHTNESS If linear input type is not selected or DP If linear input type is selected Press to configure Hysteresis 2 4 3 9 CONFIGURE DECIMAL POINT Display dP Press 0
12. ore installation or beginning of any troubleshooting procedures the power to all equipment must be switched off and isolated Units suspected of being faulty must be disconnected and removed first and brought to a properly equipped workshop for testing and repair Component replacement and interval adjustments must be made by a company person only 2 2 Warning Precautions Before wiring verify the label for correct model no and options Wiring must be carried out by personnel who have basic electrical knowledge and practical experience Itis recommended that power of these units to be protected by fuses circuit breakers or external over current rated at the minimum value possible All wiring must confirm to appropriate standards of good practice and local codes and regulations Wiring must be suitable for voltage current and temperature rating of the system Beware not to over tighten the terminal Screws Unused control terminals should not be used as jumper points as they may be internally connected causing damage to the unit Verify that the ratings of the output devices and the inputs as specified in Chapter 7 are not exceeded Upon receipt of the shipment remove the unit from the carton and inspect the unit for shipping damage If any damage due to transit report and claim with the carrier Write down the model number and serial number for future reference when User s Manual masibus
13. tic 3 wire compensation e Thermo couple types J K J 0 1 C K 0 1 C ANSI standard e 4 20mA 1 5 V dc linear e 0 20mA 0 5 V dc linear e Burn out Current 0 25 uA e CMRR gt 120dB e NMRR gt 40dB e Input Impedance gt IMQ e Resolution 15 bits e Sampling Period 55mS 5 3 INPUT RANGE PT100 200 to 850 C PT100 0 1 C 199 9 to 850 0 C J 200 to 1200 C K 200 to 1372 C J K 0 1 C 199 9 to 999 9 C 4 20mA 1 5VDC 0 20mA 0 S5 VDC 1999 to 9999 Field Scalable For Current Input Use Resistor 250Q 0 1 Externally User s Manual masibus 5 4 ACCURACY e Linear 0 25 Full Span 1 Count e RTD T C For gt 0 C 0 25 Full Span 1 Degree For lt 0 C 0 5 Full Span 1 Degree Subject to recalibration 5 5 OUTPUT e Relay O P Rating 2A 230V AC Life cycle Mechanical 10 times Life Cycle Electrical 10 times 5 6 CALIBRATION Zero and Span calibration for input using front panel keypad CJC for T C type input and 3 wire lead compensation for RTD sensor is automatic Instrument Warm up Time approx 30 Min 5 7 TYPES OF SET POINT Set point types are configurable to energize relays for actual value below or above set point with delay time for individual Relay Hysteresis setting 0 to 100 Counts 5 8 POWER SUPPLY e Operating Supply 85 265VAC 50Hz 120 290 VDC 18 36VDC Optional e Power consumption lt SVA
14. ticular purpose Under absolutely no circumstances may the contents of this manual in part or in whole be transcribed or copied without permission The contents of this manual are subject to change without prior notice Every effort has been made to ensure that the details of this manual are accurate However should any errors be found or important information be omitted please contact your nearest Masibus representative or our sales office 1 2 Product over View Description Model LC5248 is a microcontroller based On Off Temperature controller incorporate bright 4 Digit Seven Segment Display indicating process value and set value ON OFF Controller is the simplest form of temperature control device The output from the device is either on or off with no middle state An on off controller will switch the output only when the temperature crosses the setpoint For heating control the output is on when the temperature is below the set point and off above set point Since the temperature crosses the set point to change the output stage the process temperature will be cycling continually going form below set point to above and back below In cases where this cycling occurs rapidly and to prevent damage to contactors and valves an on off differential or hysteresis is added to the User s Manual masibus controller operations This hysteresis assures if temperature exceed set point by a certa
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