{"product_id":"n223b08-8ch-dc-12v-rs232-relay-module-serial-port-remote-control-switch-for-plc-plc-io-expansion-board","title":"N223B08 8CH DC 12V RS232 Relay Module Serial port Remote Control Switch for PLC PLC IO expansion Board","description":"\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 22px;\"\u003eN223B08 from eletechsup\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 22px;\"\u003eProduct Name: 8CH DC 12V RS232 Relay Module Serial port Remote Control Switch for PLC PLC IO expansion Board\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14pt; font-family: verdana;\"\u003ePackage inlcuded:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e1 PCS New Version DC 12V 8Ch RS232 Relay Module Board\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H6f34270f5a2c4a01ab1992823ce2b0d23.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: 18pt;\"\u003eDescription:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cbr\u003e8 Channel Relay Module Board; \u003cbr\u003e\u003cbr\u003eWorking voltage : DC 12V. \u003cbr\u003e\u003cbr\u003eStandby current (all relays closed) 17MA, 1 relay open 51MA, 2 relays open 82MA, 3 relays open 112MA, 4 relays open 142MA, 5 relays open 170MA , 6 relays open 198MA , 7 relays open 227MA , 8 relays open 251MA \u003cbr\u003e\u003cbr\u003ePC Serial ports RS232\/TTL232 Control Relay; \u003cbr\u003e\u003cbr\u003ePower indicator : LED lights; \u003cbr\u003e\u003cbr\u003eOutput indication : relay output with LED indicators,easy to see working status of the relay; \u003cbr\u003e\u003cbr\u003eCommunication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Two-way data transmission. \u003cbr\u003e\u003cbr\u003eBaud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. \u003cbr\u003e\u003cbr\u003eSize : 145*90*40mm \u003cbr\u003e\u003cbr\u003eWeight : With shell 215g; without shell 135g \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cspan style=\"font-size: 22px;\"\u003eThis is a new version, adding a single command to control multiple channels\u003c\/span\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eFor more information, please contact me\u003c\/span\u003e\u003c\/span\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cdiv style=\"font-size: 14pt;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cspan style=\"font-size: 14pt;\"\u003eRemote control, remote measurement system; \u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWireless meter;\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eSmart Home,Home Automation ,Wiser Home; \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAccess control ;\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIdentification system;\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eData collection; \u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIT household appliance;\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIntelligence household appliance;\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBaby monitoring system;\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hd9de527ae9dd472b800c02fa55f4bcddk.jpg\"\u003e \u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H56988e64cfbb4eb29f69d85c1de9cd5bT.jpg\"\u003e \u003cbr\u003e\u003cbr\u003eRelay 1 on, other relays off: 55 56 00 00 00 01 06 AA \u003cbr\u003eRelay 2 on, other relays off: 55 56 00 00 00 02 06 AA \u003cbr\u003eRelay 3 on, other relays off: 55 56 00 00 00 04 06 AA \u003cbr\u003eRelay 4 on, other relays off: 55 56 00 00 00 08 06 AA \u003cbr\u003eRelay 5 on, other relays off: 55 56 00 00 00 10 06 AA \u003cbr\u003eRelay 6 on, other relays off: 55 56 00 00 00 20 06 AA \u003cbr\u003eRelay 7 on, other relays off: 55 56 00 00 00 40 06 AA \u003cbr\u003eRelay 8 on, other relays off: 55 56 00 00 00 80 06 AA \u003cbr\u003e\u003cbr\u003eRelay 1\/2 on, other relays off: 55 56 00 00 00 03 06 AA \u003cbr\u003eRelay 1\/2\/3 on, other relays off : 55 56 00 00 00 07 06 AA \u003cbr\u003eRelay 1\/2\/3\/4 on, other relays off: 55 56 00 00 00 0F 06 AA \u003cbr\u003e…and so on. \u003cbr\u003e\u003cbr\u003eAll relays off: 55 56 00 00 00 00 06 AA \u003cbr\u003eAll relays on: 55 56 00 00 00 FF 06 AA \u003cbr\u003e\u003cbr\u003eReturn instructions: \u003cbr\u003eRelay 1 on, other relays off: 33 3C 00 00 00 01 00 AA \u003cbr\u003eRelay 2 on, other relays off: 33 3C 00 00 00 02 00 AA \u003cbr\u003eRelay 3 on, other relays off: 33 3C 00 00 00 04 00 AA \u003cbr\u003eRelay 4 on, other relays off: 33 3C 00 00 00 08 00 AA \u003cbr\u003eRelay 5 on, other relays off: 33 3C 00 00 00 10 00 AA \u003cbr\u003eRelay 6 on, other relays off: 33 3C 00 00 00 20 00 AA \u003cbr\u003eRelay 7 on, other relays off: 33 3C 00 00 00 40 00 AA \u003cbr\u003eRelay 8 on, other relays off: 33 3C 00 00 00 80 00 AA \u003cbr\u003e\u003cbr\u003eRelay 1\/2 on, other relays off: 33 3C 00 00 00 03 00 AA \u003cbr\u003eRelay 1\/2\/3 on, other relays off : 33 3C 00 00 00 07 00 AA \u003cbr\u003eRelay 1\/2\/3\/4 on, other relays off: 33 3C 00 00 00 0F 00 AA \u003cbr\u003e…and so on \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCompatible with older versions of instructions:\u003c\/strong\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 18.6667px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e\u003cspan\u003e1 Control commands:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e1. Reading status(reading the satus of the relay (on\/off))\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :55 56 00 00 00 01 00 AC\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :55 56 00 00 00 02 00 AD\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :55 56 00 00 00 03 00 AE\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :55 56 00 00 00 04 00 AF\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :55 56 00 00 00 05 00 B0\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :55 56 00 00 00 06 00 B1\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :55 56 00 00 00 07 00 B2\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :55 56 00 00 00 08 00 B3\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e2.Relay open (issue this command,Relay open,COM connect to NO)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :55 56 00 00 00 01 01 AD\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :55 56 00 00 00 02 01 AE\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :55 56 00 00 00 03 01 AF\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :55 56 00 00 00 04 01 B0\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :55 56 00 00 00 05 01 B1\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :55 56 00 00 00 06 01 B2\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :55 56 00 00 00 07 01 B3\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :55 56 00 00 00 08 01 B4\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e3. Relay close (issue this command,Relay close,COM disconnect NO,and COM connect to NC)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :55 56 00 00 00 01 02 AE\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :55 56 00 00 00 02 02 AF\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :55 56 00 00 00 03 02 B0\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :55 56 00 00 00 04 02 B1\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :55 56 00 00 00 05 02 B2\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :55 56 00 00 00 06 02 B3\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :55 56 00 00 00 07 02 B4\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :55 56 00 00 00 08 02 B5\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e4. Relay toggle(Relay status reversal,if COM connect to NO,this commands will Disconnect COM to NO and Reverse COM connect to NC,and vice versa)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :55 56 00 00 00 01 03 AF\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :55 56 00 00 00 02 03 B0\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :55 56 00 00 00 03 03 B1\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :55 56 00 00 00 04 03 B2\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :55 56 00 00 00 05 03 B3\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :55 56 00 00 00 06 03 B4\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :55 56 00 00 00 07 03 B5\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :55 56 00 00 00 08 03 B6\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e5. Relay momentary(Relay COM connect to NO,disconnect after 200MS)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :55 56 00 00 00 01 04 B0\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :55 56 00 00 00 02 04 B1\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :55 56 00 00 00 03 04 B2\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :55 56 00 00 00 04 04 B3\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :55 56 00 00 00 05 04 B4\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :55 56 00 00 00 06 04 B5\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :55 56 00 00 00 07 04 B6\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :55 56 00 00 00 08 04 B7\u003c\/div\u003e\n\u003cbr\u003e\n\u003cp style=\"font-size: 14px; line-height: inherit; margin: 0px; padding: 0px; box-sizing: border-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e6. Relay Interlock\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :55 56 00 00 00 01 05 B1\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :55 56 00 00 00 02 05 B2\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :55 56 00 00 00 03 05 B3\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :55 56 00 00 00 04 05 B4\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :55 56 00 00 00 05 05 B5\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :55 56 00 00 00 06 05 B6\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :55 56 00 00 00 07 05 B7\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :55 56 00 00 00 08 05 B8\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003eOnce issue a command,will have a return fame,7th byte of return fame mean the satus of realy.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e\u003cspan\u003e2 return command\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e1.Return relay open(return this command,mean COM connect to NO)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :33 3C 00 00 00 01 01 71\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :33 3C 00 00 00 02 01 72\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :33 3C 00 00 00 03 01 73\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :33 3C 00 00 00 04 01 74\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :33 3C 00 00 00 05 01 75\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :33 3C 00 00 00 06 01 76\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :33 3C 00 00 00 07 01 77\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :33 3C 00 00 00 08 01 78\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"color: rgb(0, 32, 96);\"\u003e2.Return relay close(return this command,mean COM disconnect NO , and COM connect to NC)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 1 :33 3C 00 00 00 01 02 72\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 2 :33 3C 00 00 00 02 02 73\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 3 :33 3C 00 00 00 03 02 74\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 4 :33 3C 00 00 00 04 02 75\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 5 :33 3C 00 00 00 05 02 76\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 6 :33 3C 00 00 00 06 02 77\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 7 :33 3C 00 00 00 07 02 78\u003c\/div\u003e\n\u003cdiv style=\"margin: 0px; padding: 0px; box-sizing: content-box;\"\u003eChannel 8 :33 3C 00 00 00 08 02 79\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 18.6667px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv style=\"font-size: 14pt; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Eletechsup Factory store ","offers":[{"title":"N223B08  only board","offer_id":46474261692573,"sku":"N223B08","price":14.73,"currency_code":"USD","in_stock":true},{"title":"N223B08  Din Rail","offer_id":46474261725341,"sku":"N223B08_R","price":17.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/H144a3dbfae4244fea66eb53317480cd9Z_2458b651-ddd5-4ebc-bcbc-bac831e8bab2.webp?v=1738859199","url":"https:\/\/eletechsup.com\/products\/n223b08-8ch-dc-12v-rs232-relay-module-serial-port-remote-control-switch-for-plc-plc-io-expansion-board","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}