Kendrion Kuhnke Automation GmbH
AO4 U/I
– 16-Bit
117
Status LEDs
LED "EtherCAT Run"
The LED labelled "EtherCAT Run" indicates the state of the EtherCAT ASIC.
Initialising, no data exchange
Pre-operational, no data exchange
Safe operation, inputs readable
Operational, unrestricted data exchange
LED "IO"
The LED labelled "IO" indicates the state of the module's I/Os.
State
LED flash code
Explanation
Ok
Green, on
No error
Error
Off
Malfunction of module if E-bus LED = On
Inoperative if E-bus LED = Off
Red, 1x
Short circuit
Red, 2x
Low voltage
Red, 4x
EtherCAT watchdog control
Red, 6x
Module-specific fault
Red, 7x
Configuration error (E-bus pre-operational), no. of
process data differs from that in the module
Defective
Red, on
Module defective
LED "Power"
The LED labelled "Power" 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
LEDs "Channel"
The "Channel" LEDs indicate the state of every channel.
State
LED flash code
Explanation
On
Green, on
Channel enabled
Off
Off
Channel disabled
Error
Red, 1x
Short circuit
Red, 3x
Wire failure
Red, 5x
Excessive temp. of output drivers