20-Channel RS485 Modbus RTU PLC Expansion Board, 20DO 2DI 2AI 10A Relay Module, 4-20mA 0-10V Analog IO, DIN Rail Mount, DC 12V/24V for Industrial Automation & Smart Home (12V with Rail Box)

Product Name: 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage ReadPackage inlcuded:1PCS DC 12V/24V 20Ch Multi-function PLC IO expansion boardDescription:1:DC 12V (12V Version),DC 24V (24V Version)2.Standby current (all relays closed) 14MA, 1 relay open 40MA, 2 relays open 69MA, 3 relays open 95MA,4 relays open 122MA,5 relays open 149MA,6 relays open 174MA, 7 relays open 200MA,8 relays open 226MA,and so on3:2-channels digital input (PNP active high), 1-channel 0-20MA current analog input, 1-channel 0-10V voltage analog input, 20 channels 10A relay switch outputs4: Support standard Modbus RTU command, function code:Command 1 (default): write 06/16 read/03;Command 2 (solder M0 jumper): write 05/06/15/16 read 01/02/03/045: With hardware Reset function, with TVS anti-surge protection6 Under the MODBUS command mode, it can support up to 64 devices in parallel7 The default baud rate is 9600BPS. The baud rate can be selected by Conmand 2400 4800 9600 19200 38400 57600 115200BPS8 The parity can be none parity, even parity and odd parity9 The data sending and returning time can be set,with a maximum value of 1000ms10 Size: 239 * 72 * 12mm(Only PCB Board);243 * 82*40mm(with Din Rail Box)11 Weight: 267g(Only PCB Board);272g(with Din Rail Box)12 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDCUpgraded Features:Command 1 supports 03 06 16 MODBUS RTU function codeCommand 2 supports 01 02 03 04 05 06 16 function code (M0 short circuit)Support more baud rates, can modify the parity bitHardware reset to factory settings (RESET jumper)Upgraded relays (more durable)TVS anti-surge protectionFor more information, please contact meDIN rail Box parameters:Product model: UM72Color: GreenWidth: suitable for PCB board width UM72(72mm)Insulation grade: flame-retardant VO gradeBackplane length: suitable for 239 mm PCB boardsNet weight: 160gInstallation: DIN35 and C45 railApplicationPLC IO expansion boardSmart Home,Home Automation ,Wiser Home;PTC CameraSecurity MonitoringIdentification system;IP CameraLED Lamp DriversAutomatic curtain controlWiring Diagram:Ii : 1-Channel 4-20MA Current InputVi : 1-Channel 0-10V Voltage InputDi1/Di2 : 2-Channel PNP Digital InputRelay: 20-Channels 10A Relay OutputTypical applications:1 The dial switch (slave address) is invalid and can only control one module at a time.2.MODBUS command mode (HEX), 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

• 20-Channel Relay Output 20 channels 10A relay switch outputs, maximum load: 10A / 250VAC, 10A / 30VDC.
• Rich IO Inputs 2-channels PNP digital input, 1-channel 4-20mA current analog input, 1-channel 0-10V voltage analog input.
• Modbus RTU Communication Support standard Modbus RTU command, function code 03/05/06/15/16, up to 64 devices in parallel.
• Industrial Protection & Stability DC 12V/24V input, TVS anti-surge protection, hardware reset function, upgraded durable relays.
• DIN Rail Mount Design Size: 2397212mm (PCB only), 2438240mm (with Din Rail Box); Weight: 267g (PCB), 272g (with box).