Extech 48VFL - Manual
A user manual for Extech’s VFL Series PID controllers outlines their front-panel controls, including adjustable parameters like proportional, integral, and derivative (PID) settings, hysteresis thresholds, and alarm configurations. The guide covers setup procedures–such as parameter level navigation via keypad–and wiring requirements, including thermocouple compatibility and noise mitigation. It also addresses troubleshooting for common operational issues, control modes (ON/OFF, PI, PD), and system specifications like power needs and environmental limits.
Table of Contents:
- Page 1 – Front Panel Components and Dimensional Specifications
- Page 2 – Wiring Diagrams and Precautions
- Page 3 – Programming Level Parameter Flowchart
- Page 4 – Control Device Programming Levels
- Page 5 – Output Control and Hysteresis Parameters
- Page 6 – Temperature Control Configuration Options
- Page 7 – Alarm Function and Scaling Settings
- Page 8 – Alarm Modes and Auto-Tuning Procedure
- Page 9 – Control Mode Configuration and Hysteresis Behavior
- Page 10 – Troubleshooting Guide
- Page 11 – System Overview and Setup Features
- Page 12 – Device Technical Specifications
- Page 13 – Input and Output Type Specifications
- Page 14 – Warranty and Support Information
48VFL & 96VFL v1.2 07/13
INSTRUCTION MANUAL
VFL Series PID Controllers
■
FRONT PANEL DESCRIPTION
：
PV
－
Process Value
SV
－
Setting Value
AT
－
Auto tuning LED
MA
－
Manual mode LED
A1
－
Alarm 1 LED
A2
－
Alarm 2 LED
C1
－
Control 1 LED
C2
－
Control 2 LED
－
SET KEY. Press once to access the next programmable parameter. Press and hold this key for 5
seconds to reset alarm timer.
－
UP KEY. Press to increase the set point or parameter value.
－
DOWN KEY. Press to decrease the set point or parameter value.
－
SHIFT KEY. Press the shift key for 5 seconds to execute Auto Tune process (Yes. 1 mode). To abort
an Auto Tune process, press and hold the shift key for 5 seconds.
－
Press the SET and UP keys once to return the normal operation.
－
LEVEL KEYS. Press and hold the SET & SHIFT keys simultaneously for 5 seconds to select the
programming level, and then press the SET key to enter the selected level.
---Press the UP & DOWN keys simultaneously for 5 seconds to access “LnLo” & “LnHi” parameters.
■
PANEL CUTOUT
：
Model A B C D E a b c d
48VFL 48 48 6 100 45
45+0.5
45+0.5
60 48
96VFL 96 96 10 80 91
92+0.5
92+0.5
120 96
(Units: mm)
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Was this manual helpful?
About this manual
- Brand
- Extech
- Model
- 48VFL
- Document type
- Manual
- Language(s)
- English
- Pages
- 14
- File size
- 542.2 KB
- Format
Summary
Description of front panel components, LED functions for process values and alarms, parameter adjustment functions, and panel cutout diagrams with dimensional specifications for 48VFL and 96VFL models.
Wiring diagrams showing terminal connections and pin assignments for 48VFL and 96VFL models, along with precautions regarding model verification, thermocouple compensation wire use, and signal line separation from power lines.
Flowchart illustrating parameter settings across five programming levels and rules governing the conditional availability of parameters like SP, Pb, HYS1, and HYS2 based on output modes.
