12V RTU & AT Command 2 CH RS485 Relay PLC Controller UART Serial Port Switch coi

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Standby current (all relays closed) 7-8MA, 1 relay open 40MA, 2 relays open 73MA. "Open" "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands. Two instruction-control mode : AT command and RTU command. Under the AT command ,the maximum delay is 9999 seconds, Under the RTU command ,the maximum delay is 255 seconds. AT commands can be made serial Hyper Terminal (serial assistant) Enter. RTU commands can be made serial Hyper Terminal (serial assistant) OR "RTU Poll" Enter. Under the RTU command mode, it can support up to 32 devices in parallel. Specifications: Working voltage: DC 12V Standby current: 7-8MA Size: as the picture Weight: 40g Max load:10A/250VAC ,10A/125VAC,10A /30VDC, 10A /28VDC ,10A /12VDC Package Included: 1 x 2 CH RS485 Relay Function description: NO: the relay normally open contact COM: The relay public contact NC: relay normally closed contacts "Open" : NO connect COM, NC disconnect COM "Close" : NO disconnect COM,NC connect COM Click: enter the click command, the relay "open", and after 500 milliseconds, the relay "closes" Self-locking: enter a self-locking command, relay "open", enter a self-locking command again, relay "close", and so on Interlock: input channel 1 interlock command, channel 1 relay "open", channel 2 relay closed; According to input channel 2 interlock, channel 2 relay "open", channel 1 relay "close"; And so on Typical applications: 1 AT command mode (A5 = OFF), in this mode can be through the serial Hyper Terminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds 2.RTU command mode (A5 = ON), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), RTU Poll software control (software automatically add the CRC), PLC or MCU process control Wiring Diagram: 1 DC 12V control circuit,Wiring diagram below. "LOAD" may be camera,LED lights, fans, motors and other DC 12V equipment 2 DC 12V motor reversing control, Wiring diagram below. "LOAD" can be Fans, motors, pumps and other DC 12V equipment 3 DC 1-48V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). "LOAD" may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipmen 4 DC 1-48V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). "LOAD" may be Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment Package Included: 1 x RS485 Relay, ● Payment We accept PayPal only. We only ship item to your PayPal verified address. Payment must be received within 3 days from the date of purchase. Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note after you place orders. ● Terms of sales1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international import duties. 2. Import duties,taxes,and charges are not included in the item price or shipping fee. 3. The import duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the import duties will be submitted to eCRATER for solution. ● FeedbackWe will always do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ● Contact us Any questions, pls. contact us via eCRATER message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 stars" in very area. Our aim is to provide Top Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.Thanks! On Nov-13-17 at 00:39:11 PST, seller added the following information: