Module Information Display Led - Hitachi Hidic EH-150 EH-OLNK Applications Manual

3.2

Module information display LED

Descriptions of the module information display for all LEDs are provided in table 3.1.
Outlook
CPU LINK EH-OLNK
RUN TXD
ERR RXD
* Refer to section 6.2 (Error Displays) for further details on displays.
Table 3.1 Module Status display LED
Name Color
TXD Green Blinking when data is being transmitted.
RXD Green Blinking when data is being received.
RUN Green Lighting when the link module is operating normally.
Normal operations:
ERR Red
"data link possible" error:
"data link not possible" error: Blinks (0.5s cycle) or lighting*
3-2
Chapter 3. Configuration
Contents
Off
Blinks (1s cycle)