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• Product Name: DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security MonitoPackage inlcuded:1PCS DC 12V 8Ch Din Rail RS485 Modbus RTU Relay BoardDescription:1: DC 12V strength supply 2: Standby recent (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 68MA, three relays open 94MA,4 relays open 122MA,5 relays open 148MA,6 relays open 174MA, 7 relays open 198MA,8 relays open 224MA 3: &;&;open&;&; &;&;close&;&; &;&;Momentary&;&; &;&;Self-locking&;&; &;&;Interlock&;&; &;&;Delay&;&; 6 Commands 4: Two instruction-control mode : MODBUS RTU command and AT command 5: Under the &;&;Delay&;&; command ,the most delay is 255 seconds; Under the AT command ,the most put off is 9999 seconds 6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR &;&;Modbus Poll&;&; Enter; AT instructions can be made serial HyperTerminal (serial assistant) Enter; 7 Under the MODBUS command mode, it's going to help up to 64 instruments in parallel 8 The default baud price is 9600BPS The baud fee would be selected through jumpers: 2400 4800 9600 19200BPS 9 Size: 100 * seventy two * 20mm(Only PCB Board);120 * 88* 42mm(with Din Rail Box) 10 Weight: 120g(Only PCB Board);198g(with Din Rail Box) 11 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC For more information, please touch me DIN rail Box parameters: Product model: UM72 Color: green Width: suitable for PCB board width UM72(72mm) Insulation grade: flame-retardant VO grade Backplane length: compatible for 100 mm PCB boards Net weight: 72g Installation: DIN35 and C45 railApplicationAutomated industry PLCSmart Home,Home Automation ,Wiser Home;PTC CameraSecurity MonitoringIdentification system;Motor FW & BW Automatic curtain controlTypical applications: 1 When controlling a module, you need to use the MODUBS RTU instruction or the AT instruction In AT command mode, the dial change (slave address) is invalid and might solely control one module at a time MODBUS RTU command mode (HEX), you could possibly management a variety of ways: Serial Hyper Terminal Control (need to manually upload the CRC), Modbus Poll utility management (software automatically upload the CRC), PLC or MCU task management Wiring Diagram: 1 DC 12V management circuit,Wiring diagram below &;&;LOAD&;&; could also be camera,LED lights, fans, motors and other DC 12V equipment 2 DC 1-110V OR AC 85-265V management circuit,Wiring diagram below(Note:If not DC 12V load, want one other DC 12V power supply) &;&;LOAD&;&; could also be LED lights, fans, motors Lights, fluorescent lights, solar water warmers and different DC AC equipmen Test Software(We offer a demo video):Serial HyperTerminal:Modbus Poll

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