Industrial Grade Photoelectric Isolation RS 485 Signal Repeater DC/DC Isolated Power Module Amplifier Converter

INDUSTRAIL GRADE: Industrial grade design, communication is completely isolated, stable and reliable performance, transmission rate is up to 500Kbps MULTI-MACHINE COMMUNICATION: Support multi-machine communication, can connect up to 128 nodes, and transmission distance is up to 1200 meters DC TO DC MODULE AND DATA FLOW CONTROL: Built-in high-quality DC/DC isolated power supply module realizes electrical isolation between ports. Data flow automatic control technology, automatically distinguish and control data transmission direction INSTRUCTION: Indicator Light; PWR: Green power supply indicator light, normally on when power on. COM: Red data indicator light, flashes when there is data on bus. Terminal Definition; DC9V: power supply. G: Isolate RS-485 ground, can connect to earth or shielded wire. A: RS-485 signal input/output positive. B: RS-485 signal input/output negative MULTIPLE PROTECTIVE MEASURES: Positive and negative 15KV ESD protection; 600W dual channel TVS protection; 2.5KV communication isolation. Wide range of power supply from 9V to 36VDC, and support reverse polarity protection