Kendrion Kuhnke Automation GmbH
DI8/DO8
27
11/25/2016
4.3 DI8/DO8
4.3.1 Terminals
Power supply to module I/Os
L+
24 VDC
L-
0 V
4.3.2 Status LEDs
4.3.2.1 "EtherCAT Run" LED
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
4.3.2.2 LED "IO"
The LED labeled "IO" indicates the state of the module's I/Os.
State
LED flash code
Explanation
Ok
Off
No error
SC
Red, on
Short-circuited 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.
Figure 14: Front view I/O-module DI8/DO8
Figure 13: I/O connection