Yokogawa Removable Chassis DX1000N - Manual (Page 227)

6-1
IM 04L41B01-17E
Specifications
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3
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6
App
Index
6.1 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 number of simultaneous uses (number of users that
can use the function simultaneously), the maximum number of connections, and the port
number for each function.
Function Maximum
Number of
Connections
Number of Simultaneous Uses *5 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
EthereNet/IP
Explicit message
10 − − 44818/tcp
EthereNet/IP
Explicit messagee − − − 44818/udp
EthereNet/IP
Implicit message − − − 2222/udp
*1 There are user limitations. For details, see section 1.1.
*2 The port numbers are fixed.
*3 The default port number. You can set the value in the range of 1 to 65535. Use the default
port number unless there is a special reason not to do so.
*4 Make sure that port number settings are not duplicated.
*5 On models with the /AS1 advanced security option, connections to the setting/measurement
server are divided into connections to the setting function and connections to the monitoring
function.
Function Maximum
Number of
Connections
Number of Simultaneous Uses Port Number
Setting
Connection
Monitoring
Connection
Setting/measurement
server
3 1 2 34260/tcp
Chapter 6 Specifications