Split Range Control Simulator – pH Neutralization
www.instrunexus.com · Industrial Training Simulator · PID + Manual Mode
MODE: AUTO
● STOPPED
Ver 3.0
Process Diagram — P&ID View (T-101 Neutralization Tank)
Tank pH
7.00
pH units
Controller Output
50.0
% (0–100)
Alkali Flow
0.0
L / h
Acid Flow
0.0
L / h
Split Range Output Visualizer
0%25%50% (Balance)75%100%
🔵 Alkali Valve CV-102
0%
Flow: 0.0 L/h
CLOSED
🔴 Acid Valve CV-103
0%
Flow: 0.0 L/h
CLOSED
AUTO Mode — PID Controls & Disturbance
pH Setpoint 7.0
Inlet pH — Disturbance 3.0
PID Tuning Parameters
MANUAL Mode — Direct Valve Control
⚠ Split range control DISABLED — Operator is manually controlling valves.
Alkali Valve CV-102 0%
Acid Valve CV-103 0%
Inlet pH 3.0
Live Trend Chart — pH / Output / Valve Positions
Tank pH
Controller Output %
Alkali Valve %
Acid Valve %
Setpoint