Yokogawa Button Operated MV2000 - Manual (Page 12)

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SNTP Server/Client
The client feature retrieves time information from a specified SNTP server at a specified
interval.
The server feature can provide time information to MVs and other devices connected to
the same network.
DHCP Client
You can use this feature to automatically obtain an IP address from a DHCP server. You
can manually retrieve or release network information.
Other Features
Ethernet Interface Connection Status Check
You can check the Ethernet interface connection status on the MV rear panel or the MV
screen.
For a description of the connection status indicators, see section 2.2.
Keepalive (TCP extension feature)
This feature drops the connection if there is no response to a test packet that is
periodically transmitted at the TCP level.
For the settings necessary to use this feature, see section 2.2.
Log Display
You can display operation logs on the MV log screen. You can also check logs
using communication commands. The Web screen can also display logs (except
communication and DHCP logs).
• Error log screen:
A log of operation errors
• Communication log screen: A setting/measurement server communication input/
output log
• FTP log screen: A log of file transfers carried out using the FTP client
feature
• WEB log screen: A Web server operation log
• Mail log screen: A log of e-mail transmissions
• Login log screen: A login/logout log
• SNTP log screen: An SNTP server access log
• DHCP log screen: A DHCP server access log
• Modbus log screen: A Modbus status (master/client operating condition) log
For the procedure to show the log screen and details on the displayed contents, see the
RD-MV1000/RD-MV2000 User’s Manual (IM RD-MV1000-01E).
For details on the Modbus status log, see section 2.8.
For details on how to output logs using communication commands, see section 5.2. For
details on how to show logs on the Web screen, see section 2.4.
1.1 Ethernet Interface