
INTERFACE DESCRIPTION
The housings of the Ethernet connectors, which are normally connected to the cable shield, have connections
between themselves and to the protective earth via an RC circuit.
2.3 INDICATION LEDS
The EtherNet/IP accessory has an LED indicator for the Link status in each Ethernet connector (
Ê
and
Ë
), and two
LEDs for state indication, one for the communication module (MS) and another for the network (NS). These LEDs
have the following functions and indications.
MS
1
2
NS
Table 2.1:
LED Link
State
Description
Off
No link or powered off
Green, solid
Link up, no activity
Green, flashing
Link up and activity
The MS LED indicates the conditions of the module itself. That is, whether it is able to work or not. The table below
shows the possible states:
Table 2.2:
State of the EtherNet/IP module
Status
Description
Comments
Off
No power or initializing
-
Green, solid
Controlled by a Scanner in
Run
state
-
Green, flashing
Not configured, or Scanner in
Idle
state
-
Red, solid
Module in error
Reinitializing the equipment is required.
Red, flashing
Recoverable fault
-
Flashing green/red
Equipment performing self-diagnosis
It occurs during initialization.
The NS LED provides information about the state of the EtherNet/IP network. The table below presents the description
of those states.
Table 2.3:
State of the EtherNet/IP network
Status
Description
Comments
Off
No power or no IP address
-
Green, solid
Online
, connection established
-
Green, flashing
Waiting for connections
-
Red, solid
Invalid/duplicated IP address, or fatal error
Reinitializing the equipment is required. It
indicates that the slave cannot enter the
network because of addressing problems.
Verify if the address is being used by
another equipment or if there are installation
problems.
Red, flashing
One or more I/O type connections have
expired
The
I/O
data
exchange
has
been
interrupted.
Flashing green/red
Equipment performing self-diagnosis
It occurs during initialization.
SSW900 | 9