765-4102/0100-0000
Diagnostics
Product manual | Version: 2.1.0
131
8PORT IOL-B FLD PN DC 24V 2.0A
Table 81: LED States – ETHERNET Status
LED State
Description
Flickering (load-dependent)
The indicator switches on and off at a frequency of 10
Hz, indicating high ETHERNET activity: on for 50 ms
and then off for 50 ms. The indicator switches on and
off at irregularity intervals to indicate low ETHERNET
activity.
Bluetooth Status
The Bluetooth
®
LED is integrated into the Bluetooth
®
antenna and indicates the connec-
tion status.
Table 82: Bluetooth® LED States
LED
Color
State
Description
BT
Duo LED, blue/red
Blue
On
Bluetooth
®
connection es-
tablished
Off
Off
Bluetooth
®
inactive
IO-Link Port Status
LEDs 0 (port X01), 2 (port X02), 4 (port X03), ..., 14 (port X08) indicate the status of the
IO-Link master or digital input/output module.
Table 83: IO-Link Port Status (Class B)
LED
Color
State
Description
0, 2, 4, ...
IO-Link port
(pin 4)
Duo LED, yellow/red/green (yellow = simultaneously red and green)
Yellow
On
Status of digital input/out-
put: 1
Off
Off
Status of digital input/out-
put: 0
Green
On
IO-Link communication ac-
tive
Green
Flashing 1 Hz
No IO-Link communication
or incorrect IO-Link device
Red
On
Overload, short circuit (pin
4 and pin 3)
Red
Flashing 1 Hz
Overload, sensor supply
short circuit (pin 1 and
pin 3)
1, 3, 5, ...
Duo LED, yellow/red (yellow = simultaneously red and green)
Off
Off
LED without function
11.2 Diagnostics via PROFINET
General Alarms
Table 84: General Alarms
Number
(hex)
Alarm
Description
Corrective Action
0x0100
Undervoltage, 1L
Undervoltage in supply cable 1L
The supply cable has fallen below the limit-
ing value for the minimum voltage
Check supply voltage