Led Indications - Hitachi HIDIC EH-150 Applications Manual

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
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"
ETHERNET
I.ERR
POW
Fig. 4.2.1
Table 4.2.1
Condition
ON EH-ETH is on line.
- OFF EH-ETH is off line.
ON Data being transmitted or received
- OFF No communication activity
Table 4.2.1
Color Condition
Red
-
Red
-
Green
Red
-
-
Green
Red
Green
Red
Green
Red
Green
EH-ETH
ERR STATUS
Tx/Rx
Out view of the LED cover
LED indication (1)
Contents
(*1)
LED indication (2)
ON Ethernet information configuration error
OFF Normal operation
ON Bit 3 to 8 are all OFF. (Temporal IP address is not correct.)
OFF Normal operation
ON Executing self diagnostic
ON Open error in ASR connection.
OFF Normal operation or communication inactivated
- Always OFF
ON Pass the self diagnostic.
ON Self diagnostic error
ON Normal operation
Flicker Initialization error because of wrong I/O assignment.
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.
Flicker Initialization error because of wrong I/O assignment.
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
(*2)
(*3)
(*2)