Publication 1763-RM001C-EN-P - October 2009
450
LCD - LCD Information
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)
LCD Module Operation Error Number (ERN) shows the error code when
an error occurs in LCD configurations and operation.
Target Bit File Number (TBF)
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.
Feature
Address
Data Format
Type
User Program
Access
ERN - LCD Module
Operation Error Number
LCD:0.ERN
word (INT)
status
read-only
LCD Error Codes
Error Code
Name
Description
0
None of Error
Normal condition
1
Trimpot Hardware fault
The retentive trim pot(s) value crashed by
external failure as like battery fault error.
2
Trimpot Range Over
The Trimpot range of new program is range over.
Feature
Address
Data Format
Type
User Program
Access
TBF- Target Bit File
Number
LCD:0.TBF
word (INT)
control
read-only
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive