Users Manual

Table Of Contents
765-4102/0100-0000Diagnostics
130 Product manual | Version: 2.1.0
8PORT IOL-B FLD PN DC 24V 2.0A
Table 77: APL LED
LED Color State Description
APL Duo LED, red/green/yellow (yellow = simultaneously red and green)
Off Off LED without function
PROFINET IO-Device Status
The BF and SF LEDs indicate the status of the PROFINET IO-Device. The LNK and ACT
LEDs indicate the ETHERNET status.
PROFINET IO-Device Status
The following table describes the LED states of the PROFINET IO-Device.
Table 78: PROFINET IO-Device Status
LED Color State Description
BF (bus error) Red LED
Off Off No error
Red Flashing (2Hz) No data exchange
Red On No configuration, slow
physical connection or no
physical connection
SF (system error) Red LED
Off Off No error
Red Flashing (1Hz, 3s) DCP signal service is trig-
gered via the bus
Red On Watchdog timeout; chan-
nel, generic or extended
diagnostics present; sys-
tem error; forcing active
Table 79: LED states – PROFINET IO-Device
LED State Description
Flashing (1Hz, 3s) The indicator switches on and off for 3 second in
phases at a frequency of 1Hz: on for 500ms and then
off for 500ms
Flashing (2Hz) The indicator switches on and off in phases at a fre-
quency of 2Hz: on for 250ms and then off for 250ms
ETHERNET Status
The following table describes the LED states of the link and activity LEDs.
Table 80: ETHERNET Status
LED Color State Description
LNK LED green
Green On The module is connected
to ETHERNET
Off Off The module is not con-
nected to ETHERNET
ACT LED yellow
Yellow Flickering (load-depen-
dent)
The module is sending/re-
ceiving ETHERNET
frames
Off Off The module is not send-
ing/receiving ETHERNET
frames