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Kendrion Kuhnke Automation GmbH
Bus coupler DI16/DO16
25
11/25/2016
4.2.2 Status LEDs
4.2.2.1 LED "EtherCAT Run"
The LED labeled "EtherCAT Run" indicates the state of the EtherCAT-ASIC.
Initialization, no data exchange
Pre-operational, no data exchange
Safe operation, inputs readable
Operational, unrestricted data exchange
4.2.2.2 LED "IO"
The LED labeled "IO" indicates the state of the I/Os of the module.
State
LED flash code
Explanation
Ok
Off
No error
KS
Red, flashing
Short circuit on a digital output
The output drivers have a thermal fuse to automatically turn off any short-
circuited outputs. In case the short circuit prevails, the outputs are allowed to
cool down to be turned back on until the thermal fuse blows again.
4.2.2.3 LED "Power"
The LED labeled "Power" indicates the state of the I/O module's I/O power supply.
The module is monitored for low voltage states of logic and load!
4.2.2.4 LED "In L/A", LED "Out L/A"
"In L/A"-LED and "Out L/A"-LED indicate the physical state of the Ethernets port they are allocated to.
(Link/Activity)
State
LED flash code
Explanation
Not connected
Off
No Ethernet connection
Connected
Green, on
Connected to Ethernet
Traffic
Green, flashing Exchanging telegrams
4.2.2.5 LEDs "Channel"
State
LED
Explanation
On
Green, on
Input signal TRUE / Output switched on
Off
Off
Input signal FALSE / Output switched off