When networking multiple RS485 pressure transmitters, where should the terminating resistor be installed? How can address conflicts between multiple devices be avoided? This article explains bus wiring, termination at both ends, Modbus RTU address assignment, and communication parameter settings, and provides troubleshooting guidance for communication issues to help reduce commissioning difficulties. Click to learn the key points of multi-drop networking and plan the on-site configuration based on the number of measurement points, wiring distance, and master interface.