Proper wiring is the most critical part of the ZN-401S setup. Errors here can result in inaccurate data or permanent damage to the sensor.
Always ensure the power supply is disconnected before attempting to wire or mount the unit. 1. Product Overview and Specifications zn-401s manual
RS485 / Modbus-RTU (standard for industrial automation). Operating Temperature: -10°C to 55°C. Proper wiring is the most critical part of the ZN-401S setup