{"product_id":"dc-12v-rs232-serial-port-delay-relay-switch-module-pc-com-db9-arm-mcu-uart-remote-control-board","title":"DC 12V RS232 Serial Port Delay Relay Switch Module PC COM DB9 ARM MCU UART Remote Control Board","description":"Description: \u003cbr\u003e\n- Working voltage: 12V. \u003cbr\u003e\n- (DC12V)Standby current (all relays closed) 16MA, relay open 47MA. \u003cbr\u003e\n- Two serial ports: RS232 DB9 interface, TTL 232 interface. \u003cbr\u003e\n- ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay''(Only AT command)  6 Commands. \u003cbr\u003e\n- Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch.\u003cbr\u003e\n- Under the ''Delay'' command ,the maximum delay is 9999 seconds(Only AT command). \u003cbr\u003e\n- Size: 56.5 *31.5 * 17.5mm. \u003cbr\u003e\n- Maximum load: 10A \/ 250VAC, 10A \/ 125VAC, 10A \/ 30VDC, 10A \/ 28VDC, 10A \/ 12VDC. \u003cbr\u003e\n  \u003cbr\u003e\nGlossary: \u003cbr\u003e\nNO: Relay normally open contact. \u003cbr\u003e\nCOM: Relay common contact. \u003cbr\u003e\nNC: Relay normally closed contact. \u003cbr\u003e\nOpen: NO connection COM, NC disconnect COM. \u003cbr\u003e\nClose: NO disconnect COM, NC connection COM. \u003cbr\u003e\nMomentary : Enter the Momentary command, the Rreceiver Relay is Open, delay of 0.5 seconds after, Relay is Close; \u003cbr\u003e\nToggle  : Enter the Toggle command, the Rreceiver Relay is Open, Enter the Toggle command again, Relay is Close; \u003cbr\u003e\nLatched : Enter the Channel 1 Latched command, the receiver Channel 1 is Open, the Channel 2 is Close. \u003cbr\u003e\nEnter the Channel 2 Latched command the receiver Channel 2 is Open, the Channel 1 is Close. \u003cbr\u003e\nDelay : Enter the Delay command, the Rreceiver Relay is Open, delay of 0-9999 seconds(MODBUS command is 0-255 seconds )after, Relay is Close; \u003cbr\u003e\nDuring the delay, Eter the Close command, immediately close the relay. \u003cbr\u003e\n  \u003cbr\u003e\nApplication: \u003cbr\u003e\nRemote control, remote measurement system; \u003cbr\u003e\nWireless meter; \u003cbr\u003e\nSmart Home,Home Automation ,Wiser Home; \u003cbr\u003e\nAccess control; \u003cbr\u003e\nIdentification system; \u003cbr\u003e\nData collection;  \u003cbr\u003e\nIT household appliance;\u003cbr\u003e\nIntelligence household appliance; \u003cbr\u003e\nBaby monitoring system; \u003cbr\u003e\nPLC Industrial control; \u003cbr\u003e\nLED Lighting control. \u003cbr\u003e\n  \u003cbr\u003e\nPackage Incldued: \u003cbr\u003e\n1 x DC 12V RS232 Serial Port Delay Relay Switch Module","brand":"GreenZech","offers":[{"title":"Default Title","offer_id":44966578323626,"sku":"GZCMB-3869-01-EC","price":11.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/6179\/4375\/files\/fd73c5d3-149b-483e-8d33-6cbaad3c1a78_c0b90450-9aa4-4d25-93b0-6c8338d07949.jpg?v=1690600309","url":"https:\/\/greenzech.com\/products\/dc-12v-rs232-serial-port-delay-relay-switch-module-pc-com-db9-arm-mcu-uart-remote-control-board","provider":"GreenZech","version":"1.0","type":"link"}