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Kendrion Kuhnke Automation GmbH
AO4-U/I
77
11/25/2016
4.16 AO4-U/I
4.16.1 Terminals
Power supply to module I/Os
L+
24 V DC
L-
0 V
4.16.2 Status LEDs
4.16.2.1 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
4.16.2.2 LED "IO"
The LED labeled "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
+
-
Channel0
0
1
Channel1
2
3
Channel2
4
5
Channel3
6
7
Figure 42: I/O connection
Figure 43: Front view I/O-module AO4