LED Indicators
Original instructions
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Introduction
The LED indicators are located on the front of the module. LEDs provide information on:
LED Descriptions
This illustration shows the LED display on the BMXNOR0200H module:
The colors and blink patterns of the LEDs indicate the status and operating conditions of Ethernet communications on the module:
Label
Pattern
Indication
RUN (green): operational state
on
The module is operating and configured.
flashing
The module is blocked by a detected software error.
off
The module is not configured. (The application is absent, invalid, or incompatible.)
ERR (red): detected error
on
The processor, system, or configuration detected an error.
flashing
  • The module is not configured. (The application is absent, invalid, or incompatible.)
  • The module is blocked by a detected software error.
off
Operations are normal (no detected errors).
DL (red): download firmware (upgrade)
on
Firmware download is in progress.
off
Firmware download is not in progress.
SER COM (yellow): serial data status
flashing
Data exchange (send/receive) on the serial connection is in progress.
off
There is no data exchange on the serial connection.
CARDERR (red): memory card detected error
on
  • The memory card is missing.
  • The memory card is not usable (bad format, unrecognized type).
off
The memory card is valid and recognized.
ETH ACT (green): Ethernet communication (transmission/reception) activity
on
Communication activity is detected.
off
No communication activity is detected.
ETH STS (green): Ethernet communication status
on
Communication is OK.
2 flashes
A MAC address is not valid.
3 flashes
The link is not connected.
4 flashes
There is a duplicate IP address.
5 flashes
The module is waiting for a server IP address.
6 flashes
The module is in secure and safe mode (with default IP address).
7 flashes
There is a configuration mismatch between the rotary switches and the internal configuration.
ETH LNK (green): Ethernet link status
on
An Ethernet link is detected.
off
An Ethernet link is not detected.
NOTE 1: Rapid flashing is defined as ON for 50 ms and OFF for 50 ms.
NOTE 2: Slow flashing is defined as ON for 200 ms and OFF for 200 ms.