LED Status Indicators
C2-02CPU
POWER LED (Green)
On
Power Good
USB Low
Power Mode
Power Failure
Off
Blink
ERROR LED (RED)
On
Self Diagnostic
Error
Self Diagnostic
Warning
No Error
Off
Blink
WLAN LED (Green)
On
Link
Activity
No Link
Off
Blink
BLUETOOTH LED (Blue)
On
Link
Activity (per packet)
Blink
Disabled in PLC* (200ms flash)
No Link
Off
Blink
Pairing Mode (500ms flash)
Blink
*Error - Bluetooth disabled in PLC
(SC60) is On. Pairing mode disabled.
RUN LED (Green)
On
CPU Run Mode
Initializing
Analog Module
CPU Program
Mode
Off
Blink
C2-01CPU
Blink
LNK/ACT LED (Green)
On Connected to the network
Communicating
Disconnected from the network
Off
100MBIT LED (Orange)
On
Communicating at 100Mbps
Communicating at 10Mbps or
disconnected from the network
Off
TX & RX LED (Green)
On Com Port Data Active
No Communication
Off
ERROR LED (RED)
On
Self Diagnostic
Error
Self Diagnostic
Warning
No Error
Off
Blink
POWER LED (Green)
On
Power Good
USB Low
Power Mode
Power Failure
Off
Blink
RUN LED (Green)
On
CPU Run Mode
Initializing
Analog Module
CPU Program
Mode
Off
Blink
CLICK PLUS PLC Hardware User Manual, 1st Edition, Rev. B – C2-USER-M
4-4
Chapter 4: PLC Communications