OPERATING INSTRUCTIONS TERMINAL …

1 T2t1t2 NOContactSupplyt1 = On time, t2 = Off timeCyclic (Off time first)Start contactt1t2t1 NOContactSupplyt1 = On time, t2 = Off timeCyclic (On time first)Start contactOPERATING INSTRUCTIONSXT543-N / 243 / 343 SPCIFIOEICATNSIPYDSLAgi, ght dithei5"S POINSETT nglpoiSie set MODSOn del Intal Cli itay,erv,yccon frs & Cclc frs (Cgurablbk).yioffitonfie y eysULY VLESPPOTAG90 V/D to 270 ACC 50 or 0 HIMERAGEST , 999 sec, n:sec, ,9:59 , in, 9:n, 9, 999 .999 m59 hr:mi y eys(Cgurablbk).TMETI IE STNG B y ACUAY or 50mshir s SR IPT Pule rogramle)Gate /s(PmabES IPT RETNU ront reset 1) F paneloOn del Ital onl(fr ay /nervy).

2 Eme ) Rotet3) Oerin pow TM REIE s 100 msCNTINITOUG DRECION ow IDIAI elRay TU C2 AINAYRTG@VAC24VC5A230 / NTIN P mounti LKCONRTONOC viermnal a rear tis. OUIG HSN B .Ong:. tage:55 COperati 0 to 50 CSor -5 toPRODUCT CODEOVERALL DIMENSIONS (All dimensions in mm)GPanel CutoutFCEDBATERMINAL CONNECTIONSXT243 MODELSBEZEL SIZE(mm)48 x 4872 x 7296 x 96XT 343XT 243XT 543-NABCDEFGXT543-N484810045746469696709 0109292XT343727211568106969XT243 ELMODSDIMTERMINAL DESCRIPTION L (Live) N (Neutral) COM of relay 1 NO of relay 1 START input RESET input COM of relay 2 NO of relay 2 COM (Gnd)

3 NC of relay 1 NC of relay 2 Short to enter configurationXT543-NXT343XT243 TERMINALS FOR671212 - 109 - 104358 - 101011151687131110125 - 62918171110131413157 - 8212 PROGRAMMING SCHEMECONFIGURATION SCHEME :1) At power OFF, short terminals for configuration*.2) Turn power ) Program configuration setting as per INSTRUCTIONS TO SELECT RANGE Default Setting : PRESSDISPLAYDESCRIPTIONPRESS + PRESS + PRESS + PRESS + PRESS + PRESS + PRESS + PRESS + DELAY :59 min:sec(MSD dp blinks when the timing is in progress.

4 :59 hr:min(MSD dp blinks when the timing is in progress.) DELAYINTERVAL DELAYCYCLIC (ON FIRST)CYCLIC (OFF FIRST)ENABLED (YES)DISABLED (NO)2. PRESS KEY TO SELECT DELAY MODE Default Setting : On Delay3. PRESS KEY TO ENABLE / DISABLE FRONT PANEL RESET OPTION Default Setting : : Valid only for On delay / Interval : LSD dp blinks during programming.*For XT543-N short terminals 8 & 10 for XT243 short terminals 5 & 6 for XT343 short terminals 7 & 8 to enter into the configuration + PRESS + PRESS + KEY PRESSDISPLAYDESCRIPTIONKEY PRESSDISPLAYDESCRIPTIONPRESS + RELAY1 RELAY2 COMRST1516 N (-) L (+)

5 1314NO1NO2 COM1 COM2NC1NC2121110987146532 STARTS hort for configXT3431 COMGNDCONFIG6895432 STARTRST N LNO1NO2 COM1 COM2NC1NC2151617181413121110 RELAY1 RELAY27 Short for configOPERATING MODESt1 + t2 = t = set delay timeNOContactt1 SupplyStart contactInterval - Gate startt2thNOContactttSupplyStart contactt = set delay timeOn delay - Pulse startSupplyStartResetOn delayNO Contactt = set delay timeContinuous start and reset - On DelayttSupplyPulse start and reset - On delayStartResetOn Delay NO Contactt = set delay timetttFRONT PANEL RESETD ocument name: OPERATING / 0606 / XT543-N/243/343 / ver3 OP-107-V03 Page 1 of 2XT543-NNOC ontactttSupplyStart contactt = set delay timeInterval - Pulse startNOContactGate contactSupplyOn delay - Gate startt1t2tht = delay time = t1 + t2, th = hold time HUMIDITY 95% : 160gm, XT243: 285gm, XT343: 300gmNEWUSER GUIDET ypical applications of Pulse start & Gate start input:1.

6 ON Delay with Pulse start input: i. TERMINAL connections shall be as per fig. 1ii. Timing starts on momentary closure of Start If Start switch is kept closed continuously, the timing will start at every power ON or reset. XT543-N in ON Delay mode and Pulse start input: TERMINAL ConnectionsNLC NOTLOADR CTSnubberMOVNO ACTIONNO ACTIONNO ACTIONNO ACTIONNO ACTIONRESET ALL5. PRESS KEY TO RESET ALL PARAMETERS TO DEFAULT VALUEAFTER CONFIGURATION SETTING :1) Turn power ) Remove link between the ) Turn power : Reset all function is used only to set all parametervalues back to PRESSDISPLAYDESCRIPTIONPRESS + PRESS + PRESS + PRESS + PRESS + FOR ON DELAY / INTERVAL MODE : to program set Cyclic mode : ON time - to program on time OFF time - To enter programming of off time for 3sec.

7 When in Off time programming, the LSD dp blinks Then to set off Exit programming for 3sec or auto program out after 60sec if no key is PROGRAM SET TIME : Press + / press + / Press + / press + press + TO RESET :For On delay / Interval mode : for to Cyclic mode : Front reset not valid. Reset only through pulse given From rear + (Specifications subject to change as development is a continuous process).

8 Selectron Process Controls , E-121, Ansa Ind. Estate, Saki Vihar Rd, Andheri (E)Mumbai - 400 072. India, Website: E- mail: name: OPERATING / 0606 / XT543-N/243/343 / ver3 OP-107-V03 Page 2 of 22. ON Delay with Gate start Input:i. TERMINAL connections shall be as per fig. starts at power When the start switch is closed, the timing is held and it proceeds only after the start switch is released. XT543-N in ON Delay mode and Gate start input: TERMINAL ConnectionsLOAD CONNECTIONSGATE STARTPULSE START4.

9 PRESS KEY TO SELECT START INPUT Default Setting : Pulse PRESSDISPLAYDESCRIPTIONPRESS + Pulse start: In Pulse start mode, the timing starts on momentary closure of the Start start: In Gate start mode, when the Start switch is closed, the timing stops and proceeds only after the start switch is released. Function: On delay - Pulse startNOContactttSupplyStart contactt = set delay timeFunction: On delay - Gate startt=delay time = t+t, t= hold time12hNOContactt2t1thGate contactSupply1) Snubber Part No.

10 : APRC - ) MOV Part No.: AP-MOV - INPUTRESET ALLPRESS NO ACTIONNote: For inductive loads, use of snubber and MOV, as shown above, is recommended.