Siemens SIMATIC ET 200pro - Page 18

The ET 200pro EtherNet/IP module
3.1 ET 200pro EtherNet/IP module hardware
ET 200pro distributed I/O EtherNet/IP interface module
18 Manual, 03/2016, A5E32861915-AB
LED status indicator: Network Status LED
The bi-color Network Status LED indicates the current state of the ET 200pro EtherNet/IP
communications link, as described in the following table:
State
Description
Off
• Device is powered off, or is powered on but
does not have an IP address.
• May be waiting for IP address if in
DHCP/BOOTP mode.
Flashing green No connection - an IP address is configured, but
no CIP connections are established.
Green
Connected.
Flashing red One or more CIP connections have timed out.
Red
Duplicate IP address detected.
LED status indicator: I/O Status LED
The bi-color I/O Status LED provides diagnostic information about the current state of the I/O
under the control of the ET 200pro EtherNet/IP module, as described in the following table:
State
Description
Off
• All outputs and inputs are inactive.
• Configuration errors prevent enabling of in-
puts/outputs.
• No connection.
• Device not powered.
Green Device online with connections established (nor-
mal operation, RUN mode).
Flashing green
• Device online with connections established
(normal operation, IDLE mode).
• Firmware update in progress.
Flashing red One or more outputs or inputs are faulted when
I/O is active.