Product Description Modbus Protocol 1. Product Description (4-20MA) 8-channel 0-20MA current analog input RS485 MODBUS RTU standard communication protocol Compatible with configuration software, PLC, or industrial touch panel Communication circuit for thunder protection and interference immunity Ideal for signal collection and control in industrial environments 2. Specifications (4-20MA) Working Voltage: DC 7-25V (options: 9V, 12V, 24V) Working Current: 8-50MA 8-channel current input, range per channel: 0~20MA/4-20MA RS485 communication isolation protection: 3000VDC Standard MODBUS RTU commands (Function Codes: 06/16 Write, 04/03 Read) Baud Rates: 1200, 2400, 4800, 9600 (default), 19200, 38400, 57600, 115200 Parity Bits: None (default) / Even / Odd Installation Method: Standard DIN rail installation Dimensions: 125×70×30mm Weight: 114 grams 3. Interface Definition (4-20MA) VCC: Power input GND: Power input- AI1+: Current input channels 1 & 2 AI2+: Current input channels 3 & 4 AI3+: Current input channels 5 & 6 AI4+: Current input channels 7 & 8 A+: RS485 signal A B-: RS485 signal B- 1. Product Description (0-10V) 8-channel analog input RS485 MODBUS RTU standard communication protocol Compatible with configuration software, PLC, or industrial touch panel Communication circuit for thunder protection and interference immunity Ideal for signal collection and control in industrial environments 2. Specifications (0-10V) Working Voltage: DC 7-25V (options: 9V, 12V, 24V) Working Current: 8-50MA 8-channel voltage inputs, range per channel: 0~10V RS485 communication isolation protection: 3000VDC Standard MODBUS RTU commands (Function Codes: 06/16 Write, 04/03 Read) Baud Rates: 1200, 2400, 4800, 9600 (default), 19200, 38400, 57600, 115200 Parity Bits: None (default) / Even / Odd Installation Method: Standard DIN rail installation Dimensions: 125×70×30mm Weight: 114 grams 3. Interface Definition (0-10V) VCC: Power input GND: Power input- VI1+: Voltage input channels 1 & 2 VI2+: Voltage input channels 3 & 4 VI3+: Voltage input channels 5 & 6 VI4+: Voltage input channels 7 & 8 A+: RS485 signal A B-: RS485 signal B- Application PLC Output Expansion Board Smart Home, Home Automation, Wiser Home PTZ CCTV Camera Security Monitoring Identification System Motor FW & BW Automatic Curtain Control 4-20MA Current Instrumentation 0-10V Voltage Instrumentation Package Includes: 1 x Module
