JPL995

DTMF DECODER WHO CONTROLLING 7 RELAYS WITH TONE BACK OUPUT FOR RELAY ON OR OFF. HAVE JUMBER FOR CHANGE WHEN YOU WANT THE SECURITY CODE. HAVE JUMBER FOR CHANGE TO WORK WITH SECURITY CODE OR WITHOUT. HAVE MEMORY ALL RELAY STAGES WHEN THE POWER OFF AND THEN ON HAVE ALL STAGES AGAIN. AUDIO INPUT IS CONNECTED ON TRANSCEIVER,LINKS,RECEIVERS,PHONES,REPEATERS,ETC FOR REMOTE CONTROL.VERY HIGH STABILITY IN HIGH EMI AREAS.IDEAL FOR A LOT APPLICATIONS.

AVE AS STANDARD SECURITY CODE 1234 IF YOU WANT TO CHANGE IT OPEN THE J2 FOR CHANGE CODE AND PUT VOLTAGE, THEN PUT FOUR DTMF TONES WHO YOU WANT AS SECURITY CODE THEN THE DECODER SEND YOU BACK TONE FOR FIX AND CLOSE, THEN CLOSE THE J2 AND TAKE VOLTAGE AGAIN, NOW WORK WITH SECURITY CODE WHO YOU PUT. THE SEQUENCE IS *XXXXSR THE XXXX IS SECURITY CODE, S IS 1 FOR OPEN RELAY OR 0 FOR CLOSE RELAY, R IS RELAY NUMBER 1 IS RELAY 1 ...ETC. IF PUT 0 OPEN OR CLOSE ALL RELAYS. AFTER ITS SEQUENCE THE DECODER SEND TONE BACK FOR FIX. IF DO NOT WANT SECURITY CODE OPEN THE J1 AND THEN WORK FOR SEQUENCE *SR THE S IS 1 FOR OPEN RELAY OR 0 FOR CLOSE RELAY, R IS RELAY NUMBER 1 IS RELAY 1.... ETC. IF PUT 0 OPEN OR CLOSE ALL RELAYS. AFTER SEQUENCE THE DECODER SEND TONE BACK FOR FIX. AT ALL SEQUENCE ALL STAGES PUT TO MEMORY AND WHEN FOR SOME REASON THE VOLTAGE OFF AND THEN ON YOU HAVE ALL RELAYS STAGES AGAIN. FOR MORE INFORMATION'S PLEASE CONTACT ME.

PCB DIMENSIONS 46X33MM