Instruction Manual
Tek-LCD 7801C
www.tek-trol.com
4.2.11 Switching Inductive Loads ................................................................................................................ 24
4.2.12 RC Networks Available from Tek-Trol .............................................................................................. 25
4.2.13 Serial Communication Connections ................................................................................................. 25
4.2.14 Ethernet Option................................................................................................................................ 25
4.2.15 External Keypad Connections........................................................................................................... 25
5Configuration ..........................................................................................................................26
5.1 Software Installation .....................................................................................................................26
5.2 Tek-LCD 7801C Software ................................................................................................................28
6Setup and Programming ..........................................................................................................29
6.1 Navigation and Editing...................................................................................................................29
6.1.1 Keys and Buttons.............................................................................................................................. 29
6.2 Basic Instructions...........................................................................................................................31
6.3 Setup Menu...................................................................................................................................32
6.4 Channel Parameter ........................................................................................................................33
6.5 Data Entry Keypad .........................................................................................................................34
6.6 Setup Channel ...............................................................................................................................36
6.7 Create New Channel ......................................................................................................................36
6.8 Bar Graph, Background and Text Colours........................................................................................38
6.9 Live Calibration..............................................................................................................................40
6.10 Edit Channel ..................................................................................................................................41
6.11 Delete Channel ..............................................................................................................................42
6.12 2-Point Linear Scaling.....................................................................................................................42
6.13 Square Root Scaling .......................................................................................................................43
6.14 Scale Exponent ..............................................................................................................................43
6.15 Round Horizontal Tank...................................................................................................................44
6.16 Open Channel Flow Application .....................................................................................................44
6.16.1 Programmable Exponent.................................................................................................................. 44
6.16.2 Specific Weir or Flume Function ...................................................................................................... 45
6.17 Setup Math Function .....................................................................................................................46
6.18 Random Varying On-Off Control.....................................................................................................47
6.19 Open Channel Flow........................................................................................................................48
6.20 Setup Totalizer Based on Flow Rate................................................................................................49
6.21 Setup Screen to Monitor Open Channel Flow..................................................................................49
6.22 Setup Totalizer ..............................................................................................................................50
6.23 Setup Total with Rate Source .........................................................................................................50
6.24 Setup Total with Pulse Input Source ...............................................................................................51
6.25 Setup Accumulated Total (Triggered)..............................................................................................51
6.26 Setup Previous Total ......................................................................................................................52
6.27 Setup Daily Total ...........................................................................................................................53
6.28 Setup Grand Total..........................................................................................................................53
6.29 Setup Timers .................................................................................................................................54
6.30 Timer Automatic Actions................................................................................................................54
6.31 Setup Alarms .................................................................................................................................55
6.32 Logic OR Alarm ..............................................................................................................................57
6.33 Logic AND Alarm............................................................................................................................57
6.34 Logic NOR & NAND Alarms.............................................................................................................57
6.35 Day & Time Alarms ........................................................................................................................58
6.36 Setup Inputs ..................................................................................................................................58
