XT546-246-346 Operating Instructions Display Dual, 3
Contents
1. selec Operating Instructions SPECIFICATIONS Display Dual 3 digit seven segment LED display Upper display Current value Red colour Lower display Set value Green colour LED Indications Relay output Hour Min Sec LED blinks when in run mode amp stops in hold mode Supply 90 to 270V AC DC or 24V AC DC 50 60 Hz Operating Modes On Delay Interval Cyclic On first amp Cyclic Off first Time Ranges 9 99 99 9 999 sec 9 59 min sec 99 9 999 min 9 59 hour min 99 9 999 hour Direction Down Relay Rating 5A 230V AC 24V DC Start Input Pulse Gate Programmable Reset On interruption of power front panel reset amp terminal reset Outputs 2 1 C O SPDT Memory Retention 10 years Fall time of DC signal lt 20ms Accuracy Setting 0 05 of set time or 50 msec Whichever is greater Repeat 0 05 Mounting Panel Mounting Temperature Operating 0 to 50 C Storage 20 to 75 C Humidity 95 RH Housing PC tinted black Weight XT546 142 gms XT246 180 gms XT346 240 gms F SAFETY PRECAUTIONS 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 equipment2. n a aae 999 To set 1 digit 550 Note Press J keys to register and move to next aae one To set 1 digit parameter JEF Bass ee Q eee To set 1 digit _ ASe To set 2 digit 339 This device contains no user serviceable parts and requires OFF lt special equipment and specialized engineers for repair SAO Tr To set 3 digit 3993 To set 2 digit Please contact service center for repair on the following Selec Controls Pvt Ltd JFF numon 1660 227353 l Specifications are subject to change since development is a Note Pr k i vall To set 3 digit oll free BSNL MTNL subscribers only continuous process eis Feste D sb si vate 333 Telephone 91 22 40394200 40394202 Note If the set value is 000 then timer must hold Others 91 22 40394200 40394202 Fax 91 22 28471733 Note Press key to store the set value The unit will auto exit set value mode after 30 sec of NO WARRANTY ON UNIT DAMAGED DUE TO Website www selec com key inactivity WRONG POWER SUPPLY Email sales selec com Operating 1006 XT546 246 346 OP288 V01 Page 3 of 3 not work All indications will be OFF Toll free 1800 227 353
3. AA CAUTION Read complete instructions prior to installation and operation of the unit WARNING Risk of electric shock WIRING GUIDELINES 4 WARNING 1 To prevent the risk of electric shock power supply to the equipment must be kept OFF while doing the wiring arrangement Do not touch the terminals while power is being supplied 2 To eliminate electromagnetic interference use short wires with adequate ratings twists of the same in equal size shall be made For the input and output signal lines use shielded wires and keep them away from each other 3 Cable used for connection to power source must have across section of 1mm or greater These wires shall have insulation capacity made of at least 1 5kV 4 Abetter anti noise effect can be expected by using standard power supply cable for the instrument INSTALLATION GUIDELINES A CAUTION 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 Do not allow pieces of metal wire clippings or fine metallic fillings from installation to enter the product or else it may lead to a safety hazard that may in turn 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 th
4. XT546 246 346 OP288 V01 BOCES Page 1 of 3 stant XT346 COM o NOTE Press O Q PROG key together for 3 sec continuously to enter into configuration Use key any of 3 to scroll through various function ranges and key to set and move to next parameter L Output Modes CECE ol QG This parameter e Use key any of 3 to move through various ranges Current value 1 Display current value is prompted i Eee ae 7 Parameter 2 Display the parameter ane if kan In Cyclic On function also first OFF time is set and then On time is set name display ae at the configuration selected is e H M S indication will indicate the time unit 1 z i t val ai isplay set value m lt ere 2 Displays the parameter setting display settings at the configuration mode Tal indicati The LED is lit when the output mn mn 3 Output indication is ON Default Gate 1 Unit of timer G 4 Range 2 LED blinks when time is in process FRONT KEYS DESCRIPTION Key press Functions 1 This along with the corresponding Inc key is used to enter in to program mode lock mode amp reset mode respectively 2 It is used to move to next configuration parameter amp stores the previous parameter settings 1 O Q 5 key togethe
5. lock mode after 30 sec of key inactivity or by pressing LCK keys 2 Cyclic ON first Cyclic OFF first modes continuously for 3 sec to exit the function POWER ON RESET Yes No a Yes Unit is reset on power interruption RESET METHOD Supply b No Unit is not reset on power interruption sion A __ Reset DEFAULT Yes No a Yes All parameters are set to factory set values b No Setting done by the user is saved Output Cyclic ON i Ton T Ton f Toll p j PROTECTION LEVEL i i SET TIME PROTECTION Yes No o a Yes Time set by the user is locked and utput i Cyclic OFF E tm Tah tet Tl Ton cannot be altered oe ae ora a ae al b No Time set can be changed Typical application of Continuous start and CONFIGURATION PROTECTION Yes No reset in On delay mode a Yes All the settings done by the user is locked and cannot be altered b No Configuration settings can be changed The unit will auto exit reset mode after 30 sec of key inactivity or by pressing RST keys continuously for 5 sec to exit the function TO PROGRAM SET VALUE Note Press Q key to change the set value Only if mode selected is cyclic The corresponding digit will increment from cot J 0 to 9 and then will roll over back to 0 Press Reset l key to store set value 204 on aaa To set 2 digit Output SAA To set 3 digit Only if mode selected is on delay Interval 899
6. is switch or breaker must be installed ina convenient position normally accessible to the operator AA WARNING 1 When powering up for the first time disconnect the output connections 2 Fuse Protection The unit is normally supplied without a power switch and fuses Make wiring so that the fuse is placed between the mains power supply switch and the controller 2 pole breaker fuse rating 275VAC 1A for electrical circuitry is highly recommended 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 EMI EMC and other safety requirements like BSEN61326 1 and BSEN61010 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 LOAD CONNECTIONS CAUTION 1 The service life of the output relays depend on the switching capacity and switching conditions Consider the actual application conditions and use the product within the rated load and electrical service life 2 Although the relay output is rated at 5 A it is always necessary to use an interposing relay or contactor that will switch the load This avoids damage to the controller in the event of a fault short devel
7. oping on the power output circuit 3 Always use a separate fused supply for the power load circuit and do not take this from the live and neutral terminals supplying power to the controller For load current less than For bigger loads use 0 5A interposing relay contactor Snubber ELECTRICAL PRECAUTIONS DURING USE Electrical noise generated by switching of inductive loads can create momentary disruption erratic display latch up data loss or permanent damage to the instrument To reduce noise a Use of snubber circuits across loads as shown in figure is recommended b Use separate shielded wires for inputs gt MECHANICAL INSTALLATION For installing the meter 1 Prepare the panel cutout with proper dimensions as shown below Panel cutout dimensions in mm A Front bezel Side view i F Panel Cutout lt Be me c lt G gt Outline dimensions in mm 4 46 46 2 Remove the clamp from the controller and push the controller into the panel cutout Insert the clamp from the rear side until the main is securely fit into the panel 3 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 LU Es XT246 oo START lo bak COM RST NO2 Y Operating 1006
8. r are used to enter in the programming mode 2 O A 6 key together are usedto enter in the lock function 3 A 7 key together are used to enter in the front panel reset function 4 It is used to scroll different option in each configuration 5 It is used to increment the set value for corresponding digit Default Yes Power on reset Default No Default Default No The unit will auto exit program mode after 30 seconds of key inactivity or by pressing PROG key together continuously for 3 sec Operating 1006 XT546 246 346 OP288 V01 Page 2 of 3 PROTECTION LEVEL MODE OF OPERATION User Guide for XT546 246 346 1 On delay Interval modes START Pulse Gate NOTE Press O LCK key together continuously for 3 sec to enter into protection a Pulse Timing starts on momentary closure of switch connected between start Supply and common terminals A Start H H f er Set time Default Unlock i i i b Gate Timing starts at power on When the i E i i START and COMMON terminal is closed l it timing freezes and it resumes only when the inn E C i the shorting is opened i ON Delay H t H toe Default Unlock oo p FRONT PANEL RESET Yes No i a Yes Unit can be reset from the front Output H panel i st 2 Interval Ton i on b No Unit cannot be reset from the front panel Reset The unit will auto exit
Download Pdf Manuals
Related Search