Trim pot configuration in lcd function file, Error conditions – Rockwell Automation 1763 MicroLogix 1100 Programmable Controllers User Manual User Manual

Page 139

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Publication 1763-UM001D-EN-P - March 2011

Using the LCD 137

When you enter this screen, the last digit of the POT0 value is flashing.
It indicates the current digit. Press the Up and Down keys on the LCD
keypad to change the value of the current digit. Press the Left and Right
keys to select a different digit as the current digit.

If the Key In mode is set to Continuous, the changes are applied
immediately after you press the Up and Down keys. While, if it is set to
Discrete, you have to press the OK key to apply the changes after you
change the data value. For more information on how to set the Key In
mode,

see Changing Key In Mode on page 5-130

.

5. If you have finished changing the data value of the selected trim pot,

POT0 in this example, press the ESC key to return to the Trim Pot
Select screen, as shown in

step 2

.

Trim Pot Configuration in LCD Function File

The configuration for Trim Pots in the LCD Function File, including trim pot
low and high values for data value range, is described in the MicroLogix 1100
Programmable Controllers Instruction Set Reference Manual
, publication 1763-RM001.

Error Conditions

Error conditions regarding the Trim Pot functionality are described in the
MicroLogix 1100 Programmable Controllers Instruction Set Reference Manual,
publication 1763-RM001.

IMPORTANT

The same TMIN and TMAX values are used for both
trim pots, POT0 and POT1. This behavior is intended
by design for simplicity in Trim Pot configuration.

TIP

The Key In mode has effect only when you change
the data value of a trim pot on a Trim Pot screen,
either the Trim Pot 0 or Trim Pot 1 screen.

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