DC 12V 4CH time delay RS485 Relay Module MODBUS & AT control remote switch

Description: Description1: DC 12V power supply (voltage range 9-13V )2: Standby current (all relays closed) 11-13MA, 1 relay open 44MA, 2 relays open 77MA, 3 relays open 110MA,4 relays open 140MA3: "open" "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands4: Two instruction-control mode : AT command and MODBUS command5: Under the AT command ,the maximum delay is 9999 seconds Under the MODBUS command ,the maximum delay is 255 seconds6 AT commands can be made serial HyperTerminal (serial assistant) Enter; MODBUS commands can be made serial HyperTerminal (serial assistant) OR "Modbus Poll" Enter;7 Under the MODBUS command mode, it can support up to 32 devices in parallel8 Size: 80 * 47 * 19.5mm9 Weight: 57 g10 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC Glossary:NO : Relay normally open contactCOM : Relay common contactNC : Relay normally closed contactOpen : NO connection COM, NC disconnect COMClose : NO disconnect COM, NC connection COMMomentary : Enter the Momentary command, the Rreceiver Relay is Open, delay of 0.5 seconds after, Relay is Close;Toggle : Enter the Toggle command, the Rreceiver Relay is Open, Enter the Toggle command again, Relay is Close; Latched : Enter the Channel 1 Latched command, the receiver Channel 1 is Open, the Channel 2 is Close.Enter the Channel 2 Latched command the receiver Channel 2 is Open, the Channel 1 is Close.Enter the Channel 3 Latched command the receiver Channel 1 is Close, the Channel 2 is Close. Delay : Enter the Delay command, the Rreceiver Relay is Open, delay of 0-9999 seconds(MODBUS command is 0-255 seconds )after, Relay is Close;During the delay, Eter the Close command, immediately close the relay Command mode selection :( figure above) A5 to the ON side is MODBUS command mode. End to the OFF (non ON side) is AT command mode. Slave ID: A0-A4 is the slave ID, you can choose 32 different slave ID.Under the MODBUS command mode,the slave ID must be correct command Description, Please refer to "4 Channel RS485 Relay Command" Typical applications 1 AT command mode (A5 = OFF), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds 2 MODBUS command mode (A5 = ON), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus 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 1-100VAC 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 equipment 3DC 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 Content： 1 X DC 12V 4CH time delay RS485 Relay Module MODBUS & AT control remote switch Payment1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.Shipping1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. 2.Items will be shipped within 1-3 business day when we received payment. 3.Delivery time depends on destination and other factors; 4.International buyers please note: a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties. b.Please check with your country's customs office to determine what these additional costs will be prior to buying. Returns policy1.If the item is not as described or damaged in transportation, please send it back within 7 days upon date of receipt2.For defective item, we guarantee free exchange or full refund within 30 days from the day of placing order3.Buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements4.Items must be unused, in original packaging and include all parts, accessories and packaging5.When we receive your returned item, we will investigate the situation and consider to offer replacement or refund according to the situation Terms of sales1. All the items will be tested before shipping. Buy them with the confidence! 2. We maintain hightest buyer ratings StarStarStarStarStar and 100% customer satisfaction, Positive Feedback will be much appreciated from you.3. Any dissatisfaction or problem, please contact us before you leave neutral Neutral feedback rating or negative Negative feedback rating feedback. Feedback1.When you received package and like it, kindly comfirm received order and leave a positive feedback with full stars for us. Thank you.2.Any dissatisfaction or problem, please contact us before you leave neutral Neutral feedback rating or negative Negative feedback rating feedback.

Price: 9.29 USD

Location: 深圳市

End Time: 2024-12-26T13:11:35.000Z

Shipping Cost: 5 USD