Index
GFK-2839B
PAC8000* IO PROFINET Scanner
User’s Manual–September 2017
27
2.10
LED Operation
The following table summarizes the operation of the PAC8000 PROFINET
Scanner’s LEDs:
Name
Color
Description
POWER
Green
ON = Power OK
OFF = No power
OK
Green
ON = PNS is OK and has completed system boot up successfully
FAST BLINK pattern: See 2.10.1,
“Special LED Blink Patterns” for
definitions.
MASTER
Yellow
Reserved
CONNECT
Yellow
ON = One or more PROFINET application relationships (ARs) has been
established
OFF = No PROFINET application relationships (ARs) are established
SLOW BLINK = The PNS has not been assigned a device name.
FAULT
Red
ON = One of the configured IO module or the PNS itself is in fault state
SLOW BLINK = Invalid MAC addresses
OFF = All configured modules are in healthy state
LAN
Yellow
IRREGULAR BLINK = Node is processing the packets addressed to it
OFF = No activity
PORT 1
Yellow
ON = Link connected
OFF = Link failure
IRREGULAR BLINK = Activity on this port.
PORT 2
Yellow
ON = Link connected
OFF = Link failure
IRREGULAR BLINK = Activity on this port.
USB
Yellow
ON = USB connection is active, but no data is being transferred
OFF = No activity on USB
IRREGULAR BLINK = Activity on USB
I/O COMM
Yellow
ON = All IO module commands sent in the last two seconds were
successful
OFF = No IO module command was sent in last two seconds
IRREGULAR BLINK = At least one IO module command failed in last two
seconds
A-B LINK
Yellow
Reserved
Note:
Slow Blinking is ON for 0.5 second then OFF for 0.5 second.
Fast Blinking is ON for 0.1 second then OFF for 0.1 second.
Irregular Blinking has no regular pattern. It reflects data transmission traffic.
