SIOL-EI8B-USER-M
55
Operation
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Version 1, May 2022
Pin 4 IO-Link Mode
LED Indication IO-Link Mode Pin 4
Indication
Condition
Description
Green
Steady On
IO-Link in Operate status
Green
Flashing at 1 Hz
No IO-Link connection
Green
Flashing at 10 Hz
IO-Link in the Pre-Operate status during data storage
Red
Steady On
Overload/short circuit at pin 4
Red
Flashing at 2 Hz
◼
Validation failed
◼
Incompatible IO-Link module connected for data storage
◼
Data storage failed
Off
Off
IO-Link connection deactivated
9.1.4. LED display MS and NS
LED-Indication Overview
◼
NS (network status) - indicates the state of the fieldbus system
◼
MS (module status) - indicates the state of the module in the PLC configuration
LED Indication MS
LED Indication MS
Indication
Condition
Description
Green
Steady on
Module in operation
Green
Flashing at 1 Hz
Standby: The module has not been configured.
Green/Red
Flashing at 1 Hz
Self-test
Red
Flashing at 1 Hz
Major recoverable fault.*
Red
Steady on
Major unrecoverable fault.**
Off
Off
No power supply.
* Incorrect or inconsistent configuration is considered a fatal correctable error.
** If LED display is red, first check for an IP address conflict.
LED Indication NS
LED Indication NS
Indication
Condition
Description
Green
Steady on
Connection to the master available,
IP address is being configured.
Green
Flashing at 1 Hz
No connection to master.
IP address is configured.
Green/Red
Flashing at 1 Hz
Self-test
Red
Flashing at 1 Hz
At least one connection has timed out.
Red
Steady on
Double IP address: the module has detected that its
IP address is already in use.*
Off
Off
No power supply, or no configured IP address.
* If LED display is red, first check for an IP address conflict.
