Hitachi Hidic EH-150 Applications Manual page 14

Preliminary Rev.03
4.2 LED indications
Fig. 4.2.1 shows out view of the LED cover.
There are 2 LED indications, one is that its meaning and indication are fixed, which is shown in table 4.2.1(1)
and another is that the meaning and the indication depend on the operation mode, which is shown in table
4.2.1(2).
LED Color
POW Green
Tx/Rx Green
*1: When loop back connector is connected, the LED also turns ON.
LED Operation mode
Normal operation
I.ERR
IP address setting
Self diagnostic
Normal operation
ERR IP address setting
Self diagnostic
Normal operation
(*3)
STATUS
IP address setting
Self diagnostic
*2: Even I/O assignment is not correct, accessing to Web server is possible and also it is possible to change
Ethernet and ASR connecting parameters. But to set Ethernet parameters by Ladder program is not
possible.
*3: Regarding details refer to 4.2.1 "STATUS LED"
Contents of this manual may be changed without any
ETHERNET
I.ERR
POW
Fig. 4.2.1 Out view of the LED cover
Table 4.2.1 LED indication (1)
Condition
ON EH-ETH is connected to the Ethernet line properly. (*1)
- OFF EH-ETH is not connected to the Ethernet line.
ON EH-ETH is sending or receiving data.
- OFF EH-ETH is not sending and receiving data
Table 4.2.1 LED indication (2)
Color Condition
Red
-
Red
-
Green
Red
-
-
Green
Red
Green
Red
Green
Red
Green
EH-ETH
ERR STATUS
Tx/Rx
Contents
ON Wrong parameter is set.
OFF Correct parameter is set.
ON Bit 3 to 8 are all OFF. (Temporal IP address is not correct.)
OFF Temporal IP address is correct.
ON Executing self diagnostic
ON Open error occurs in ASR connection.
OFF In the proper communication or in the communication stop
- Always OFF
ON Pass the self diagnostic.
ON Result of the self diagnostic has problem.
ON Initialization was completed and EH-ETH is in proper condition.
Initialization has not been completed because of wrong I/O
Flicker
assignment. (*2)
Serious problem occurs which can not be recovered. LED flickering
Flicker
pattern shows error information.
Initialization has been completed and Ethernet and ASR connecting
ON
parameters are ready to be changed.
Initialization has not been completed because of wrong I/O
Flicker
assignment. (*2)
7-times Dip switch bit 3 to 8 are all OFF. (Temporal IP address is not
flicker correct.)
Flicker Executing self diagnostic.
4-3
Chapter.4 System equipment
Contents