KN 303 USER MANUAL
Contents
1. 485 ar TU ei Toy sa IE LT 16117 18 19 20 21 22 23 24 25 26 27128 CH3 Proog O 0900900009000 v Y 96mm 72mm 115mm 104mm 70 5mm imm En50022 MOUNTING FOR DIN RAIL 3 Connection Diagram O Connection Diagram 1 213 41516 7 8 9 10 11112 13 1 I kbd k7 d ka d k a a AN ALARM TRIP FAULT DC100 200V OUT OUT OUT OUT CH1 CH2 CH3 Pt1009 Pt1009 Proog DC4 20mA RS 485 EA AE EEA 6718192021122 23 24 25 262728 NOTE When the unit is powered the fault relay 12 13 closed and it opens again in case of fault condition A Features Power input is free voltage AC 100 240V DC 100 800V and it is stably operated even at bad condition such as outside power change surge etc Temperature of transformer is measured and displayed and alarm output alarm trip and fan is controlled according to temperature Temp max function Itis possible to check the highest temperature of transformer during operation up to now Data storage function memorizes T MAX value and each control temperature setting values Semieternal T MAX value is stored even after turning power it is reset during operation Each setting value is also stored a2. within rated voltage in order to protect eguipment and prevent and prevent trouble 2 In order to prevent electric shock and equipment damage when installing equipment check wiring after finishing wiring and than input power 3 use standard wiring and terminal for connecting power this can cause electric shock and fire 2 caution for operation 1 If abnormality of this equipment is related to serious accident it is recommended to install protection device in addition 2 Do not use this equipment in the gas This is not explosion proof structure If this equipment is exposed to gas do not operate power switch and so on but operate ane it when it is sage after venting the space 3 Do not use in the place with chemical materials There is danger of electric leakage and electric shock 4 Do not touch or loosen terminal when there is applied It can cause electric shock or mal operation 5 Do not touch the product when there is water around or when body is wet There is danger of electric shock 6 Do not install the equipment in the place where children can touch the equipment 3 Caution for wiring and maintenance 1 Perform wiring for this equipment exactly into relevant number as show in the instruction manual or terminal instruction Tighten terminal bolt firmly mal wiring can cause equipment damage mal operation of fire 2 Perform repair or assembling after turning off external power switch and interrupting external circ
3. Monitoring unit shows the highest temperature recorded FUNCTIONS by the sensor and the last reset 4 FAN FAN is automatically controlled by fan on and fan off setting value 16 ALARM When the measurement temperature is over ALARM setting value ALARM ON 17 TRIP When the measurement temperature is over TRIP setting value TRIP ON 8 T MAX T MAX value check key SCAN AUTO MAN mode only 9 RESET RESET In T MAX MODE gt The current T MAX value delete and record again RESET key 3 seconds pressing OPERATION KEYS 11 UP 8 FAN MAN FAN operation the button which the ON OFF operation with a manual operation 9 PRG ENT PROGRAM MODE PRG ENT key 3 seconds pressing Program setting function key 10 DOWN When Program setting value change DOWN When Program setting value change UP 12 MODE TEST DISPLAY MODE SCAN AUTO MAN change key TEST MODE key MODE TEST key 3 seconds pressing Setting manual a After power supply ce The display shows the measurement temperature BO x ii D E co alco nia ff S i PRG HEER a Pressing Ekeys seconds neon PRG ON led turns on Fan on Setting display g HH AS FAN ON Setting value changes Save the changed setting value IS nE Fan oFf Setting display PRG A DA AIS FAN OFF Setting value chan
4. TEMPERATUTE CONTROLLER USER MANUAL KN303 Neuron Tech ml mi n on OTRIP KN303 UU C aaen OFAN OAUTO O FAULT Cu OMAN MODE OT MAX OFANMAN OPRGON TEST FAN PRG Z A Man RESET MAN ENT CHI CH2 CH3 pO4 20mA RS 485 ioo Pt1002 T X T X Prom 16117 18 19 20 21 22 23 24 25 26 27128 O loososeosooooo O CONTENTS Caution for Safety KN 303 TEMPERATURE CONTROLLER 1 Specifications 2 External Dimension and Panel Cutting Size 3 Connection Diagram 4 Features 5 Output Operating Diagram 6 Nam cfEsch Partr ssossoseluscan h 7 Operation and Setting 8 Example of Wring Caution for Safety Caution for safety aims at securing safety of user and preventing accident or danger in advance by using it safely so read and follow it well Caution matters are divided into warning and caution whose meanings are as follows Violating instruction may cause serious damage or A WARNING Viele A CAUTION Violating instruction may cause injury product damage or material loss A WARNING 1 power 1 use it
5. ach channel ea ad e Data storage function JU OAUTO h e Fan auto manual function OMAN CH MODE e Test function for each input channel OT MAX OFANMAN OPRGON TEST e Channels scanning l EN SS SCAN ch1 2 3 scanning 2 9 sec TMAX RESET MAN ENT A AUTO automatic hottest scanning MAN manual function Fon ron rwan DOF 20mA RS 488 e Scan time setting function 2 10 sec ne z T Ta an n L T n SE gt 37 28 e Outputs delay time setting function Fan 0 1 6 0 sec Alarm Trip 0 5 10 0 sec 1 Specification OUTPUT CONTACTS CAPACITY TRIP ALARM FAN FAULT RELAY CONTACT AC 250V 5A Resistance Load DC 30V 5A Resistance Load DC 4 20mA RANGE 0 200 Load Resistance Max 6002 NPUT OUTPUT ISOLATION SERIAL RS 485 MODBUS RTU OPTION RS 232 INPUT OUTPUT_ ISOLATION POWER SUPPLY FREE VOLTAGE AC 100V TO 240V 50 60Hz DC 100 300V POWER CONSUMPTION DIELECTRIC STRENGTH AC 2000V FOR 1MIN INSULATION DC 500V 100M ohm MINIMUM RESISTANCE WEIGHT 2 External Dimension and Mounting External Dimension 72mm SCAN MANI Neuron Tech A B Q STRE i KN303 U U OFAN 90 i Simit di B O FAULT OAUTO OMAN OT MAX OFANMAN OPRGON TEST max reser FAN rRe v A MAN ENT CH2 Pt0oa CHI DC4 20mA RS
6. fter turning off power unless setting value is changed during operation Fan out function It is possible to control outside fan by comparing fan on and fan off setting values and measured temperature 5 Output Operating Diagram OUTPUT SPECIFICATIONS A setting temp ALARM TRIP ALARM TRIP ON FAN OUT FAN OFF FAN ON D N ame of Each Part 1 AUTO MODE DISPLAY LE v 2 MAN MODE DISPLAY LED 3 Temp Max LAY LED N AUTO 4 FAN MANUAL OUTPUT No DISPLAY LED N OMAN i S L OTRIP zi OALARM OT MAX pra me 5 PROGRAM oe LED I l Jan OFAN O FAULT P amp SETTING DISPLAY Co m 17 TRIP OUTPUT DISPLAY LED N 16 ALARM OUTPUT DISPLAY LED MODE TEST ri AUTO OUTPUT DISPLAY LED x 14 FAULT SS PLAY LED 8 FAN MANUL ON OFF SWITCH 9 PROGRAM MODE SETTING SWITCH DISPLAY LE 8 FAN PRE Lech MAX RESET HAN Ges V A 6 T MAX CHECK SWITCH 7 7 7 x reser SWITCH ac MS 12 MODE TEST SWITCH 11 UP SWITCH 10 DOWN SWITCH 7 Operating and Setting 1 AUTO Control device automatically displays the highest temperature channel 2 MAN Channel temperature manual reading through cursor keys 3 T MAX
7. ges J Save the changed setting value H 88 ALarm on Setting display g 98 AIS ALARM ON Setting value changes J Save the changed setting value Trip on Setting display H OB ae TRIP ON Setting value changes J Save the chanoed setting value DI l ER Il e x x pi Com ld Communication ID setting display ES Hae AS COM ID Setting ID value changes Save the changed setting value Lon Return to first display Anywhere in the program by pressing key 3 seconds or key operation is not longer than 30 seconds inthe measurement mode is changed Measurement mode oprcon PRG ON led turns off r J DO de I ll L 8 Example of Wiring O In case of Phase POWER SOURCE USER SUPPLY 1 AC 100 240V 50 60Hz AC100 240V 50 60Hz DC100 300V TO CUSTOMER Shere Rede TO CUSTOMER gt POWER SOURCE USER SUPPLY RST 1 AC100 240V S e o 0 60Hz DC100 300V TO CUSTOMER ALARM OUT DC4 20mA E CUSTOMER TO CUSTOMER TRIP T X OUT COMMUNICATION TO CUSTOMER qy RS 485 i TO CUSTOMER FAULT OUT FAN MOTOR r Neuron Tech A 308 875 1Maesonggosaek Ro Gwonseon Gu Suwon City Gyeonggi Do Korea 441 230 TEL 62 31 227 4504 FAX 82 31 298 1962 ww w neurontech kr
8. ly and check abnormality in input and output 3 If sensor is single or short it is displayed turn off voltage by all means when replacing sensor at this time It can cause trouble and mal operation 4 Do not drop this product nor give shock this product It can cause trouble or mal operation 5 Do notwipe the product with organic solvent It can cause damage in appearance 6 Avoid use in the following condition In the place where surrounding temperature and humidity exceed the temperature and humidity scope in usage condition In the place exposed to combustible gas or corrosive gas In the place where there is much oil water steam iron or salt In the place which is not waterproof structure exposed to outside water orrain In the place directly exposed to direct sunshine In the place where freezing phenomenon takes due to severe change of temperature and humidity KN303 DIGITAL TEMPERATURE CONTROLLER e Free voltage AC100 240V 50 60Hz DC 100 300V i 112134 5 6 7 8 9 10 11 12 13 e 3 sensor input Pt100Q Dwm SO d LA LA e Operation setting function for each channel run stop s OUT or P ACT caution stop seleced channel is not displayed N ee e Program type function Neuron Tech LI mi Im TRIP Setting value KN303 l l Ee e Temp max storage function for e
9. uit power It can cause electric shock or trouble 3 Never disassemble reform or repair equipment It cause electric shock fire product damage mal operation or trouble 4 Replace sensor after turning off power by all means Lt can cause electric shock Fire product damage mal operation or trouble 5 The components of this equipment have life period and include year passing components There is 1 year of guarantee period from purchasing date However Trouble due to customer mistake and natural disaster is excluded Al CAUTION 1 caution for attachment and wiring 1 Fix the equipment firmly with the fixing device included during shipment below and above the equipment when attaching equipment 2 If there is severe induction noise in the power it is recommended to us insulation transformer and noise removal circuit Twisted wiring of power line is effective for noise If water enters receive checking by all means Use lead wire which has low resistance is non combustible Use output and input signal lines by separation them by all means Use shield wire for input signal wire and be away from load or high voltage 7 Use sensor of non grounding type 3 4 5 6 2 Caution for handling 1 when operation output relay frequently by connecting load without allowance in rating relay life can be shorter rating so use it by adding relay to outside Electric life of relay About 100 000 times under rated load 2 Make each setting exact
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