Mitsubishi Electric E80 Series, Maintenance Manual

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M800/M80/E80 Series Maintenance Manual
4 Failure Diagnosis
131 IB-1501273-F
(3) When the display's IP address is automatically searched, it is searched from among up to 254 IP addresses whose up-
per 3 bytes coincide with those of the local IP address (#1934 Local IP address).
However, depending on the setting of the 4th byte of the PC subnet mask (PC Subnet), the search range may be limited.
(Example 1) General setting
<Setting example>
NC IP address: 10.97.12.16
PC subnet mask: 255.255.255.0
<Search range>
From between 10.97.12.1 and 10.97.12.254, the smallest free address is searched.
(Example 2) When the search range is limited up to 254 addresses
<Setting example>
NC IP address: 10.97.12.16
PC subnet mask: 255.255.0.0
<Search range>
From between 10.97.12.1 to 10.97.12.254, the smallest free address is searched.
(Example 3) When the search range is limited to 254 addresses or less
<Setting example>
NC IP address: 10.97.12.16
PC subnet mask: 255.255.255.128
<Search range>
From between 10.97.12.1 to 10.97.12.126, the smallest free address is searched.
4.13.3 Message
The following messages display when IP address is reset.
Message Description
Searching - The system is searching the connectable NC control unit to establish the commu-
nication between the control unit and the display unit. Please wait until the search
is completed.
Socket error - The system could not find the connectable control unit because of the network
interference.
Turn OFF the NC power supply, and review the wiring for the network connection.
Setting error- Connect NC address - The automatic connection with the control unit failed because the setting file to
set and save the unit's IP address was not found/is read-only/is of an illegal format.
Review "[HOSTS] TCP1" setting in the setting file "melcfg.ini".
Searching IP address - The system is automatically searching the appropriate IP address because IP ad-
dress of the display unit is inapposite. Please wait until the search is completed.
Review the setting of the Ethernet
parameter after the screen starts. - The IP address setting of connected control unit and display unit was completed.
Please review the setting of the Ethernet parameter after the screen starts.
Searching PC IP address failed. - No empty IP address was found by the automatic search for the IP address of the
display unit.
Please remove the control unit from the network, and turn ON the NC power supply
again.