WAVESHARE Modbus RTU Module (A) Mixed Input And Output Module, Multiple Isolation Protection Circuits, Supports Voltage And Current Acquisition

Supply Voltage: 7V - 36V

1. Modbus Protocol: Standard Modbus RTU protocol. RS485 Address Setting: 1-255. Relay Output:. - Number of Relay Channels:
2. Contact Type: One normally open, one normally closed. - Contact Load: ≤10 A at 250 V AC or ≤10 A at 30 V DC. Analog Output:. - Output Mode: 2 current output channels. - Resolution: 12 bits, 1 μA. - Range: 0–20 mA. - Output Accuracy: +/-0.03 mA. Digital Inputs:. - Number of Digital Inputs: 2 channels. - Active Input Range: 5 V-36 V DC. - Input Type: Passive Input/Active Input (NPN or PNP type). - Isolation Type: Bidirectional optocouplers. Analog Inputs:. - Number of Analog Inputs: 2 channels. - Range: 0-10V / 2-10V, 0-20mA / 4-20mA. - Sampling Accuracy: 12-bit resolution, accuracy within
3. 3%. - Data update rate: 31Hz. - Current sensing resistor: 249 ohms. Indicator Lights:. - STA: MCU indicator light; flashes when the MCU is operating normally. - TXD: Transmit indicator light; illuminates when data is being transmitted. - RXD: Receive indicator light; illuminates when data is being received. Dimensions: Approx