T OPERATING INSTRUCTIONS DTC5U3I5U3-N/2031303
Contents
1. WIRING INSTRUCTIONS A CAUTION 1 To prevent the risk of electric shock power supply to the equipment must be kept OFF while doing the wiring arrangement 2 Terminals and electrically charged parts Shouldnot be touched when the power in ON 3 Wiring shall be done strictly according to the terminal layout with shortest connections Confirm that all connections are correct 4 Use lugged terminals to meet M3 screws 5 To eliminate electromagnetic interference use of short wire xo om ve mit vana tor oreson with adequate ratings and twists of the same in equal size Aes shall be made NOTE R Red W whid 6 Cable used for connection to power source must havea pm cross section of 1 or greater These wires shall have DTC303 insulation capacity made of at least 1 5KV berug presos QM OTC203 DTCS0S uy peseneron MAINTENANCE L 1 6 15 18 18 1 The equipment should be cleaned regularly to avoid a P BEDE blockage of ventilating parts 2 Clean the equipment with a clean soft cloth Do not No d E NX eerie use Isopropyl alcohol or any other cleaning agent SSROP TERMINAL CONNECTIONS ne 1 1 COM Fc a 9 8 1 n Te RrD1 6 2 3 3 Tc Rm2 7 3 Roa 12 5 SHORTFOR ror 9 10 fea 14 78 78 SHORTFOR gt x 7 7 emn i 7 0 osea es 4 5 es SRORTFOR 3 z Sm2. fes OPERATING INSTRUCTIONS DTC503 503 N 203 303 SPECIFICATIONS SENSOR Sensor type Temperature range C Resolution C J FaK 99 10 750 1 K C A 99 to 999 1 RTD PT100 99 to 850 1 DISPLAY Type 7 segment LED Height 0 5 Digits 3 CONTROL ACTION S No Control Setting Resolution 1 1 Proportional Band 11099 2 ON OFF Hysteresis 1to 99 ACCURACY 0 25 of full scale 1 C whichever is greater After 20 min warmup time SET POINT LIMIT Maximum limit of set point SETTING Via keys on front panel RELAY ACTION a Forward b Reverse MANUAL RESET 99 to 99 C SENSOR BREAK Indicated on display relay off TC REVERSE E Indicated on display relay off OUTPUT DTC503 503 N 203 303 EL 303 NX 1 C O SPDT DTC303 1 NO Relay rating 10A 230VAC SSR drive available against request POWER 85 to 270 VAC DC 50 60Hz 24 VACIDC models available on request OPERATING TEMP 0 50 C HOUSING CE marked products Flame retardant plastic Non CE products ABS plastic HUMIDITY 95 RH WEIGHT gms DTC503 503 N 180 DTC203 275 DTC303 303 NX 227 OVERALL DIMENSIONS All dimensions in mm Se LL MIS fions A amp c e e e DTC503 503 N 48 48 100 45 7 46 46 DTC203 72 72 15 68 10 69 69 DTC3037 prosoanx 99 99 70 90 10 92 92 SAFETY SUMMARY This manual is meant for the personnel involved
3. for Prop Display HY in ON OFF mode or for 1 second Factory setting Pb in proportional mode for 1 second Press 0 0 0 0 hysteresis value or to change value U proportional band 4 Press to select Cycle time actory setting 20 sec Display Y C for 1 second Valid for proportional mode only PressQ Q U 53g tochange value CU 5 Press Oto select Relay output mode Factory setting forward Display f Y for second RELAY OUTPUT HE Forward heating Presso L Reverse cooling Key press Description 6 Press q to select Maximum set point limit Factory setting For J sensor 400 C For K sensor 400 C For PT100 sensor 400 C Display for 1 second Maximum Set Press O 0 0 M OB point Limit to change value 7 Press to select Manual reset offset adjustment lock Factory setting Enable New feature Ver 1 1 onwards Display MANUEL RESET OFFSET ADJUSTMENT E fl Enable Lock LOCK for 1 second Press 0 8 0 to change value _G 5 Disable Lock 8 Press Q to select reset all mode At reset all all parameters set to Factory setting value Note Reset all function to be used prior to changing input to realign related parameters Display f G E for 1 second RESET ALL 1 No reset PressO Q No reset PressQ Q No reset PressO Q No reset Press 0 No reset PressQ S Reset alt By pres
4. s e ERU 2 3 2 3 2 3 TYPICAL CONNECTIONS FOR LOADS DTC503 N 1 For load current less than 0 5A 3e E dg ORO WAH Sn bber OR 2 For bigger loads use interposing relay contractor t N NOTE R Red W White NOTE Use snubber as shown above to increase life of internal relay of temperature controller ELECTRICAL PRECAUTIONS DURING USE Electrical noise generated by switching of inductive loads and can create momentary disruption erratic display latch up data loss or permanent damage to the instrument Hence to reduce to noise a Use MOV across supply of temperature controller amp snubber circuits across loads are recommended b Use separate shielded wires for inputs Document name Opera amp ng RU7DTCS03S0 N Z03303 OP170 V02 Page 1 of 2 CONFIGURATION SCHEME parameter setting 1 Before configuration Short terminals marked SHORT FOR CONFIG 2 Tum power ON 3 Program configuration setting as per instructions below Key press Display Description T To select sensor type Factory setting J Display 1 f1 P for 1 second S J SENSOR TYPE J 99107500 K PressO Q v 99 to 999 C PT100 i d J 99 to 850 C 2 Press to select control mode Factory setting On Off PressO Q Display CONTROLMODE f ON OFF mode PressQ P f Proportional mode 3 Press Qto select proportional band or 1 C for on off hysteresis value 10 C
5. in wiring installation operation and routine maintenance of the equipment All safety related codifications symbols and instructions that appear in this operating manual or on the equipment must be strictly followed to ensure the safety of the operating personnel as well as the instrument If the equipment is not handled in a manner specified by the manufacturer it might impair the protection provided by the equipment AX CAUTION Read complete instructions prior to installation and operation of the unit AX CAUTION Risk of electric shock INSTALLATION INSTRUCTIONS A CAUTIOI 1 This equipment being built in type normally becomes a part of main control panel and in such case the terminals do not remain accessible to the end user after installation and internal wiring 2 Conductors must not come in contact with the internal circuitry of the equipment or else it may lead to a safety hazard that may inturn endanger life or cause electrical shock to the operator 3 Circuit breaker or mains switch must be installed between power source and supply terminals to facilitate power ON or OFF function However this switch or breaker must be installed inaconvenient position normally accessible to an operator CAUTION 1 The equipment shall not be instilled in environmental conditions other than those specified in this manual 2 Fuse Protection The equipment does not contain built in fuse Installation of extemal fuse for electrical circu
6. itry is highly recommended Recommended rating of such fuse shall be 275VACAA 3 Since this is a built in type equipment finds place in main control panel its output terminals get connected to host equipment Such equipment shall also comply with basic EMVEMC andsafety requirements like BS EN 61326 1 and BS EN 61010 respectively 4 Thermal dissipation of equipment is met through ventilation holes provided on chassis of equipment Such ventilation holes shall not be obstructed else it can lead to a safety hazard 5 The output terminals shall be strictly loaded to the manufacturer specified values range INSTALLATION GUIDELINES Mechanical Installation For installing the controller 1 Prepare the panel cutout with proper dimensions as shown in OVERALL DIMENSIONS 2 Remove the clamp from the controller 3 Push the controller into the panel cutout Secure the controller in its place by pushing the clamp on the rear side The screws ofthe pane of the clamp must be in the forthest forward siot 4 For proper sealing tighten the screws evenly with required torque A CAUTIOI The equipment in its installed state must not come in close proximity to any heating sources caustic vapors oils steam or other unwanted process by products EMC Gi es 1 Use proper input power cables with shortest connections and twisted type 2 Layout of connecting cables shall be away from any internal EMI source
7. lay switches OFF isthe hysteresis or dead band Temp set point aiii mE 2 Time proportional control In Proportional control the relay ON time and relay OFF time varies in proportion to the deviation ofthe actual temperature from the set value The proportional action occurs within a band below the set point The proportional mode of control gives closer control than ON OFF type Hysteresis A Heater Rolay Temp set point 7 SSS SF Ea band Time 3 Offset adjustment manual reset After some time the process temperature settles at some point and there is a difference between the set temperature amp the controlled temperature This difference can be removed by setting the manual reset value equal amp opposite to the offset Temp TME PROPORTIONAL WITH MANUAL OFFSET TU set point ZS Z T Ime r7 Menus ot CALIBRATION CERTIFICATE Date Model No Sr No Claimed Accuracy 0 25 of full scale 1 digit After 20min warmup time Sources calibrated against Hinditron Multimeter Model 86 Sr No 1094 Multimeter calibration report no ERTL W Mumbai INDIA The calibration of this unit has been verified at the following values CALIBRATION DISPLAY SENSOR TEMPERATURE VALUE c c 35 35 a e 600 600 35 K C so f 500 oo 990 a ae rie 309 800 557 557 The thermocouple RTD cur
8. sing amp key it goes to sensor input menu After configuration setting 1 Tum power OFF 2 Remove link between terminals marked SHORT FOR CONFIG 3 Tum power on Programming Set Point A To view set point Press E key B To increase decrease set point Press Q U Continuous operation of above makes update speed faster in 3 stages after 7 seconds KEE is torminais marked SHORT FOR CONFIG are shorted at power on temperature controller will go in to the configuration mode To quit configuration setting mode tum power off remove link between terminals marked SHORT FOR CONFIG amp switch power on Programming Manual offset adjustment reset NOTE This selection is valid only if Tis configured as Disable CAUTION Ensure terminals marked SHORT FOR CONFIG are open To program Manual offset Press amp keys together for 3 seconds Manual offset adjustment reset Factory settin Display QF F for 1 second Press 0 0 0 to change value To quit programming Press QU keys together for 3 seconds X Q 0 Manual reset USER GUIDE 1 ON OFF control action for heating The relay is ON up to the set temperature and cuts OFF above the set temperature As the temperature of the system drops the relay is switched ON at a temperature slightly lower than the set point Hysteresis The difference between the temperature at which relay switches ON and at which re
9. ves are linearised in this microprocessor based product and hence the values interpolated between the readings shown above are also equally accurate at every point in the curve Unit is accepted as accuracy is within the specified limit of claimed accuracy and certificate is valid up to one year from the date of issue CHECKED BY Specifications subject to change as development is a continuous process Selec Controls Pvt Ltd India Formerly Selectron Process Controls Pvt Ltd Tel 91 22 28476443 1882 Fax 91 22 28471733 Toll free 1800 227 353 Website www selecindia com E mail sales selecindia com Document name Operating D amp 0TTCSS03 N203 303I OPITENO2 Page 2 of 2
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