Error Led And Measure; Err Confirmation By Led Indication - Hitachi HIDIC EH-150 Applications Manual

9.3

Error LED and measure

Following table shows the indication and the measure in case an error occurs in communication between
EH-ETH and other station.
9.3.1

ERR confirmation by LED indication

The LED indications on the module give you information about your network and the module.
No.
1 A fault of hardware
2 Setting of Ethernet information,
ASR information is wrong.
3 Temporary IP address is
192.168.0.0.
4 Wrong cable
5 Connection opening error (active
open station)
6 Error at data sending
7 Error at data receiving
*1: A connection specified passive station does not detect the abnormality below a data link level layer.
Therefore, the other station should have detection of error when the connection specified passive station
is not open.
Table 9.3 LED indication and Error content
Error content LED name
*1
Chapter 9 Maintenance, check, error
Cause of error and measurement
STATUS Supply the power or reset by RES switch to initialize
I.ERR Correct the setting according to the contests of status
STATUS register or status register
Set IP address in the range from 192.168.0.1 to
192.168.0.63.
POW (1). Wrong kind of cable
or
Check if the using cable is straight or cross type.
Tx/Rx
(2). Wrong connection of cable
Check if the cable is plugged in a connector firmly.
Check if it is not breaking wire.
ERR (1). The requested station is not in network.
- Check if the station is in the same network.
- Check the cables for both own and the other station.
(2). Wrong setting at the own station
- Check if the IP address and logical port number at the
own station.
(3). Wrong setting at the other station
- Check if the other station is in passive open.
Before the current transmission completed, EH-ETH is
requested next transmission.
- Configure the cyclic transmission period to be longer.
- Configure the data size for sending to be smaller.
Before the current communication completed, EH-ETH
receives next data.
- Configure the transmission period of the other station to
be longer.
- Configure the data size for receiving to be smaller.
9-2