![Kuhnke FIO (V2) Manual Download Page 21](http://html.mh-extra.com/html/kuhnke/fio-v2/fio-v2_manual_2009572021.webp)
Kendrion Kuhnke Automation GmbH
System description
21
11/25/2016
3.4 Status LEDs
3.4.1 LED "EtherCAT Run"
An LED labeled "EtherCAT Run" is located on both the bus coupler and the I/O modules. It indicates the
state of the EtherCAT ASIC.
State
LED flash code
Explanation
Init
Off
Initialization, no data exchange
Pre-Op
Off/green, 1:1
Pre-operational, no data exchange
Safe-Op
Off/green, 5:1
Safe operation, inputs readable
Op
Green, on
Operational, unrestricted data exchange
3.4.2 LED "In L/A", LED "Out L/A"
The "In L/A" and "Out L/A" LEDs are located on the bus coupler. They indicate the physical state of the
Ethernets (Link/Activity).
State
LED flash code
Explanation
Not connected
Off
No Ethernet connection
Connected
Green, on
Connected to Ethernet
Traffic
Green, flashing Exchanging telegrams
3.4.3 LED "IO"
Every I/O module has an LED labeled "IO". It indicates the state of the module's I/Os. Refer to the I/O
module sections in this manual to know which states of a module are monitored and indicated.
3.4.4 LED "Power"
An LED labeled "Power" is located on every module that has a power supply connector (e.g. for digital
outputs). It indicates the state of the I/O module's I/O power supply.
State
LED flash code Explanation
On
Green, on
24 VDC supply ok
Off
Off
24 VDC supply not ok
1
Due to the specification "ETG.1300 Indicator and Labeling" successively following changes in name and
flashing were performed from October 2012:
Label old
Label new
LED old
LED new
EtherCAT
EtherCAT Run
Red/Green
Off/Green
In, Out
In L/A, Out L/A
unchanged