765-1103/100-000
Diagnostics
96
Product manual | Version: 2.2.0
16DO FLD PN DC 24V 2.0A
Table 57: APL LED
LED
Color
State
Description
APL
Duo LED, red/green/yellow (yellow = simultaneously red and green)
Off
Off
LED with no function
Yellow
Flashing (1 Hz, 5 s)
Module has a NameOfStation and/or an IP
address. During module startup, the LED
flashes for 5 s at 1 Hz.
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 58: 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 triggered via the bus
Red
On
Watchdog timeout; channel, generic or ex-
tended diagnostics present; system error;
forcing active
Table 59: 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 fre-
quency 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 frequency 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 60: ETHERNET Status
LED
Color
State
Description
LNK
LED green
Green
On
The module is connected to ETHERNET
Off
Off
The module is not connected to ETHER-
NET
ACT
LED yellow
Yellow
Flickering (load-de-
pendent)
The module is sending/receiving ETHER-
NET frames
Off
Off
The module is not sending/receiving ETH-
ERNET frames