1 ethernet interface specifications, App index, Basic specifications – Yokogawa Button Operated MV2000 User Manual
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Specifications
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7
App
Index
7.1
Ethernet Interface Specifications
Basic Specifications
Electrical and mechanical specifications:
Conforms to IEEE 802.3 (Ethernet frames
conform to the DIX specification)
Transmission medium type:
10BASE-T
Protocol:
TCP, IP, UDP, ICMP, ARP, FTP, HTTP, SNTP,
SMTP
Maximum Number of Connections and Number of Simultaneous Uses
The following table indicates the maximum number of connections, the number of
simultaneous uses (number of users that can use a function simultaneously), and the MV
port number for each function.
Function
Maximum Number
of Connections
Number of
Simultaneous Uses
Port number
4
Administrator User
Setting/measurement server
3
1
2
1
34260/tcp
2
Maintenance/test server
1
1
1
1
34261/tcp
2
FTP server
2
2
2
1
21/tcp
3
Web server (HTTP)
1
–
–
80/tcp
3
SNTP server
–
–
–
123/udp
3
Modbus server
2
–
–
502/tcp
3
Instrument information server
–
–
–
34264/udp
2
1 Users have limitations. See section 1.1 for details.
2 The port number is fixed.
3 The default port number. You can set a value in the range of 1 to 65535. Use the default port
number unless there is a specific reason not to do so.
4 Make sure that each port number is unique.
Chapter 7
Specifications