User manual

5–1LT Series User Manual
LTCondition RUN OFFLINE RUN
Out Signal
Output from Logic
Program
OFF
Output from Logic
Program
OFFLINE Mode provides access to the LT unit’s Initialize menu, Self-Diagnosis
menu, and other LT features. You need to change the LT to OFFLINE mode before
you can use any of these features.
For information about transferring data to the LT, refer to the LT Editor
Operation Manual – Screen Creation Guide (included with the LT
Editor software) and the GP-PRO/PBIII Operation Manual (included
with the C-Package software).
Chapter
5 OFFLINE Mode
1. Entering OFFLINE Mode
2. OFFLINE Mode Main Menu
3. INITIALIZATION
4. SELF-DIAGNOSIS
5.1 Entering OFFLINE Mode
ON
OFF
OFFLINE mode is unavailable in a new LT until the necessary System data
has been transferred from your LT Editor/C-Package. To transfer system
data, the LT must be ON. When the screen data files are transferred from
the LT Editor/C-Package to the LT, the System screen data is also auto-
matically sent.
In order to initialize the LT or perform any self-diagnostics, you must change the
LT to OFFLINE mode. The following explanation explains the two ways to enter
this mode.
• When the Logic Program is changed from RUN to OFFLINE mode, the
output hold setting is turned OFF. Be sure to consider this before
changing to OFFLINE mode, or resetting the unit. Also, when the unit
is reset, the I/O signal OFF timing is not fixed.
• Be aware that when changing a Logic Program from RUN to OFFLINE
mode, regardless of the current output hold setting, the LT unit’s and
the I/O signals’ processing is as follows: