Tek-Trol TEK-LCD 7800A-0L1, Instruction Manual, Page: 3 / 36

Table of Contents
1 Safety Instructions ........................................................................................................................ 4
1.1 Installation ....................................................................................................................................... 4
1.2 Unpacking ........................................................................................................................................ 4
1.3 Conduit/Stopping Plug ...................................................................................................................... 4
2 Product Description ...................................................................................................................... 5
2.1 Introduction ..................................................................................................................................... 5
2.2 Specifications .................................................................................................................................... 5
2.3 Dimensional Drawing ........................................................................................................................ 7
2.4 Ordering Information ........................................................................................................................ 8
2.5 Mounting.......................................................................................................................................... 8
2.6 Connections ...................................................................................................................................... 8
2.7 Connections & Wiring Diagrams ........................................................................................................ 9
2.8 External Acknowledge Connection .................................................................................................. 10
2.9 Open Collector Output Connections ................................................................................................ 11
3 Setup and Programming.............................................................................................................. 12
3.1 Overview ........................................................................................................................................ 12
3.2 Through-Window Buttons ............................................................................................................... 12
3.2.1 Through-Window Button Operation ...................................................................................................... 12
3.2.2 Through-Window Button Tips and Troubleshooting.............................................................................. 12
3.3 Buttons and Display ........................................................................................................................ 13
3.3.1 Menu Button .......................................................................................................................................... 13
3.3.2 Right / Reset Button ............................................................................................................................... 14
3.3.3 Up / Display Button ................................................................................................................................ 14
3.3.4 Enter Button ........................................................................................................................................... 14
3.4 Main Menu ..................................................................................................................................... 14
3.5 Setting Up the Meter ( SETUP ) ........................................................................................................... 15
3.5.1 Setting Numeric Values .......................................................................................................................... 16
3.5.2 Setting the Level Decimal Point (
DECIMAL
) .............................................................................................. 16
3.5.3 Main Menu Display Functions & Messages ............................................................................................ 16
3.5.4 Scaling the Meter ( ) .................................................................................................................... 17
3.5.5 Minimum Input Span .............................................................................................................................. 18
3.5.6 Scale Error Message ( SPN ERR ) ............................................................................................................... 18
3.5.7 Scaling the Tank Height Indicator (
TANK HT
) ........................................................................................... 18
3.5.8 Configuring the Lower Display (
DISPLAY
) ............................................................................................... 18
3.5.9 Setting the Tag ........................................................................................................................................ 19
3.6 Setting Up the Password ( PASSWRD ) .................................................................................................. 19
3.6.1 Locking the Meter .................................................................................................................................. 20
3.6.2 Making Changes to a Password Protected Meter .................................................................................. 20
3.6.3 Disabling Password Protection ............................................................................................................... 21
3.7 Advanced Features Menu (
ADVANCE
) ................................................................................................. 22
3.8 Advanced Features Menu & Display Messages ................................................................................. 22
3.8.1 Alarm Output ( OUTPUT ) ........................................................................................................................... 24
3.8.2 Input Signal Filter ( FILTER ) ..................................................................................................................... 24
3.8.3 Volume Display Scaling ( VOLSCAL ) ........................................................................................................... 25