Ph Controller Modbus 485

RS-485 Modbus RTU pH Controller is a next-generation, panel-mounted pH Controller designed for industries requiring accurate pH measurement, remote monitoring, automation, and SCADA/PLC integration. Built using reliable microcontroller technology with Modbus RTU communication, this controller ensures seamless connectivity with PLCs, DCS, SCADA, HMI, and industrial automation panels. It is ideal for: Water treatment plants RO plants ETP/STP Chemical dosing systems Industrial process control Electroplating plants Research & laboratory setups Key Features RS-485 Modbus RTU Communication; RS 485 Modbus RTU ph Controller Fully compatible with PLC, SCADA, HMI Supports FC03, FC06 & FC16 Supports 0-based, 1-based & 40001 addressing Easily set & change Slave ID via Modbus or front-panel keys Digital pH Display & Control Bright dual 7-segment LED displays Top display → Live pH Value Bottom display → Status, Setpoints, Relay condition Wide pH measurement range: 0.00 to 14.00 pH Dual Set Points (HI & LO) — Relay Output; RS 485 Modbus RTU ph Controller Two potential-free relay outputs are provided: LO Relay (Relay-1) Activates when pH falls below the set LPH value → Used for alkaline dosing / low-pH correction HI Relay (Relay-2) Activates when pH rises above the set HPH value; RS 485 Modbus RTU ph Controller → Used for acid dosing / high-pH correction Relays can directly trigger: Dosing Pumps Solenoid Valves Alarms / Buzzers PLC Digital Inputs