3-6
Table
3-2 CPU Matrix Display - LED Status Indications
LED
Symbol
Status
Indication
CPU
Flashing
CPU is in Bootstrap Mode.
M1
Flashing
Failure in M1 module.
M2
Flashing
Failure in M2 module.
M3
Flashing
Failure in M3 module.
LOAD
On
Configuration definition or application program is being
downloaded to Flash memory.
CONF
On
A Site Configuration definition has been loaded into the
Flash memory.
APPL
On
An Application Program has been loaded into Flash
memory.
Flashing
Relates to one of the following:
– The program is in STOP SCAN state, for the Toolbox
Application Programmer’s monitoring program to
perform diagnostic operations
– The application run-time is to long. Could be caused
by an error in the Ladder Diagram Program (i.e., infinite
loop).
– The Application Program is in STOP state. This
occurs when the Programming Toolbox’s Hardware
Test & Calibration Program is performing a Hardware
Test.
MON
On
The Monitoring Program of the Toolbox Application
Programmer is executing on-line monitoring of the RTU.
TX1
On
RTU transmits data via Port 1
TX2
On
RTU transmits data via Port 2
TX3
On
RTU is transmits data via Port 3
RX1
On
RTU receives data via Port 1
RX2
On
RTU receives data via Port 2
RX3
On
RTU is receives data via Port 3
CM1
On
Communication channel used by Port 1 is busy.
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