Active Led; Front Panel Leds; Special Led Blink Patterns - Emerson PACSystems RX3i User Manual

User Manual
GFK-2737L
2.1.6

Active LED

The Active LED indicates the Scanner is connected to a PROFINET IO-Controller that is
controlling the I/O data for the I/O modules located in the same rack as the PNS001.
LED
2.1.7

Front Panel LEDs

Revision Axxx
USB LED
Revision Bxxx or
later
LEDs
LNK LED
ACT LED
2.1.8

Special LED Blink Patterns

The
location/identification, microprocessor over temperature, and update conditions, as
described below. There is also a startup sequence that tracks the startup processing of the
module with the LEDs.
Fatal Error Codes
When the PNS encounters a fatal error, it will blink an error code pattern on the OK LED with
an Amber color or on the STATUS LED with a Green color. In this mode all LEDs flash Green
once to indicate the start of the error code. Next the OK or STATUS LED blinks a 4-digit
decimal error code. The LED first blinks to indicate the most significant error digit, then after
a brief pause blinks again to indicate the next significant error digit and so forth. After
LED Operation and Connector Details
LED Status
Green PNS is connected to a PROFINET I/O Controller that is controlling IO Module
On IO data
Off PNS is not connected to a PROFINET I/O Controller or no established
connection to an Active I/O Controller
Green On
Green Blinking
Off
RJ45
Green On
Amber Blinking
PNS's LEDs can operate
LED Status
A USB cable is connected.
The corresponding network interface is active.
No USB port activity.
LED Status
Link established
Front panel port activity
in tandem to indicate
Section 2
Jul 2022
fatal error, module
24