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Status Indicators Section 3-1
3-1 Status Indicators
This section describes the ED Router status indicators (LEDs).
3-1-1 Overview
ED Router and network status are displayed on the following status indicators.
• MS (Module Status): Displays the status of the ED Router.
• NS E (Network Status, EtherNet/IP): Displays the status of the EtherNet/
IP network.
• NS D (Network Status, DeviceNet): Displays the status of the DeviceNet
network.
• 10: Lit when Ethernet is connected by 10Base-T.
• 100: Lit when Ethernet is connected by 100Base-T.
• ACT: Lit when Ethernet communications are detected.
The following table describes the MS, NS E, and NS D indicators in detail.
: ON : Flashing : OFF
Indicator name Color Status Meaning
MS
(module status)
Green Operation status
Red Fatal error (Critical fault)
An ED Router failure has occurred, and recovery is not possible. ED Router
operation stops and the NS E and NS D indicators turn OFF.
• ED Router failure.
Fatal error (Abort)
One of the following recoverable errors has occurred. Message communica-
tions routing is enabled.
• Switch changed during operation (failure, unintended operation, etc.)
• Setting error due to power interruption while making settings
- Power is not being supplied.
NS E, NS D
(Network Status)
Green While online, at least one CIP connection is established.
While online, not even one CIP connection is established.
Red Communications are not possible.A non-recoverable communications error
was detected in the network.
• DeviceNet bus OFF error
• DeviceNet node address duplication error
• EtherNet/IP IP address duplication error
A recoverable communications error was detected in the network.
• DeviceNet network power supply error
• DeviceNet communications timeout error
• BOOTP server connection error
• DeviceNet node address switch setting changed after startup.
• EtherNet/IP IP address switch setting changed after startup.
• DeviceNet node baud rate switch setting changed after startup.
- Not connected online.
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