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LCD - LCD Information
Publication 1763-RM001C-EN-P - October 2009
For example, if old POT0 =100, new TMIN=200 and TMAX=50, controller
sets (1) ERR bit. This means a Trimpot range error has occurred at
program download.
For more information about Trimpot functionality, refer to Using Trim
Pots described in the MicroLogix 1100 Programmable Controllers User
Manual, publication 1763-UM001.
LCD Module Operation Error Number (ERN)
Feature
Address
ERN - LCD Module
LCD:0.ERN
Operation Error Number
LCD Module Operation Error Number (ERN) shows the error code when
an error occurs in LCD configurations and operation.
LCD Error Codes
Error Code
Name
0
None of Error
1
Trimpot Hardware fault
2
Trimpot Range Over
Target Bit File Number (TBF)
Feature
Address
TBF- Target Bit File
LCD:0.TBF
Number
Target Bit File Number (TBF) specifies the bit file to monitor on the LCD.
When a valid bit file is specified, the Monitoring and Bit menus are
available. Up to the first 48 bits (3 words) of the specified bit file can be
monitored and modified. For more information, refer to Using Trim Pots
described in the MicroLogix 1100 Programmable Controllers User Manual,
publication 1763-UM001.
Data Format
Type
User Program
Access
word (INT)
status
read-only
Description
Normal condition
The retentive trim pot(s) value crashed by
external failure as like battery fault error.
The Trimpot range of new program is range over.
Data Format
Type
User Program
Access
word (INT)
control
read-only
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