Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 25)

Publication 1760-UM002B-EN-P - March 2005
Overview 1-11
Pico GFX-70 LED Display
Pico GFX-70 features two LEDs on the back of the processor. These indicate
the status of the power supply (POW) and the RUN or STOP operating mode
(See Figure 1.1 on page 1-4).
The front of the 1760-DU and 1760-DUB device has a green LED and a red
LED. These can be used in your visualization application as light indicators.
The following applies to Terminal mode:
Table 1.2 Power Supply and RUN/STOP Operating Mode Indicators
LED Status Indicates
Power supply/RUN-STOP
mode LED LED OFF No power supply
LED continuously lit Power supply present, STOP mode
LED flashing Power supply present, RUN mode
Pico-Link LED LED OFF Pico-Link not operational, fault, in
configuration
LED continuously lit Pico-Link is initialized and no
station has been detected.
LED flashing Pico-Link operating fault-free
Table 1.3 Terminal Mode Indicators
LED Color Status Indicates
Power
supply/RUN-STOP
mode LED Green LED OFF No power supply
LED continuously lit Power supply present, STOP mode
LED flashing Power supply present, RUN mode
Fault on the Pico-Link Red LED OFF Operation correct
LED continuously lit Pico-Link remote device faulty