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Description
CPU
1
2
3
4
Figure 3 LED Panel
CPU Page LED Functions
The following table describes the functions of the diagnostic LEDs when set to the initial CPU
(Page 0) toggle or display (CPU LED on).
Name
CPU
IO1
IO2
IO3
LED 1
LOAD
LED 5
CONF
LED 9
APPL
LED 13
MON
LED 2
RST
LED 3
ERR
LED 4
LED 6
TX1
LED 7
RX1
LED 8
CM1
LED 10
TX2
6
IO1
IO2
5
9
6
10
7
11
8
12
On/Off
Function/Indication
On:
Display is in CPU mode.
Flashing:
CPU is in bootstrap mode OR FPGA is not loaded
correctly.
Off
Off
Off
On
A file (e.g. configuration, application program) is
being downloaded to FLASH memory.
On
A Site configuration definition has been loaded
into FLASH memory.
On
An application program has been loaded into
FLASH memory.
On
Controlled by application for user use.
On
The CPU is in Reset mode.
On
An error has occurred.
Off
On
The RTU is transmitting data via Port 1.
On
The RTU is receiving data via Port 1.
On
The communication channel used by Port 1 is
busy.
On
The RTU is transmitting data via Port 2.
IO3
13
14
15
16
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