Extech VFL Series PID Controllers Instruction Manual

About this manual

The Extech VFL Series PID Controllers are industrial devices designed for process control applications. The manual details the front panel layout, including indicators for Process Value (PV), Setting Value (SV), and various modes like Auto-tuning and Manual. It provides specific cutout dimensions for models A through E and outlines wiring precautions to ensure safety and signal integrity.

What's inside

• Front Panel Description
• Panel Cutout Dimensions
• Wiring Diagram and Precautions
• Programming Level Parameters
• Parameter Description
• Alarm Function
• Automatic and Manual Output Control
• Auto Tune Procedure
• Error Message and Troubleshooting

Specifications

Frequently asked questions

How do I reset the alarm timer?

Press and hold the SET key for 5 seconds to reset the alarm timer.

How do I abort an Auto Tune process?

Press and hold the SHIFT key for 5 seconds to abort the Auto Tune process.

What is the default value for the Proportional band (Pb)?

The default value for the Proportional band is 10.0%.

How do I access the 'LnLo' and 'LnHi' parameters?

Press the UP and DOWN keys simultaneously for 5 seconds to access these parameters.