Communication, Communication -17, App index communication – Yokogawa Standalone MW100 User Manual
Page 230
5-17
IM MW100-01E
Specification
1
2
3
4
5
App
Index
Communication
Ethernet Port
Interface:
Ethernet 10BASE-T/100BASE-TX
The data rate can be fixed to 10 Mbps half duplex by turning
switch 6 of dip switch 1 OFF.
Connector type:
RJ-45
Main protocols:
FTP, SMTP, SNTP, DHCP, DNS, HTTP, Modbus/TCP, and MW100
dedicated protocol.
Communication services: Send/receive measured and computed values, send/receive
setting values, maintenance/diagnostic services, and others.
Login function:
Use when accessing a setting/measurement server, maintenance/
diagnostic server, FTP server, or HTTP server. Up to 10 can be
registered.
List of services:
The port number of each server is the default number.
Server Type
Application
Port Number Number of Simultaneous
Connections
Modbus server
For the Modbus protocol
502
4
FTP server
File transfer service
21
4
HTTP server
Web service
80
Infinity
SNTP server
Adjust the time
123
Infinity
GENE server
For MW100-specific
communication commands
34318
4
DIAG server
For MW100 maintenance
34317
1
EtherNet/IP server
*
EtherNet/IP
44818
10
* Firmware version R3.02 or later
Keep alive function:
If no response is made to periodically sent test packets on the TCP level,
the connection is forcibly closed.
The connection is checked every 30 s. If there is no response, the
connection is checked four times at 5-s intervals. If no response is
received, the connection is disconnected.
Timeout function:
Connection to server from which no communication is made over
a specified period is forcibly dropped.
Server Type
Timeout Value
Modbus server
30 s
FTP server
10 minutes
HTTP server
2 minutes
GENE server
*1
1 to 120 minutes. Set in unit of 1 minute.
DIAG server
10 minutes
EtherNet/IP server
*2
10 minutes
*1 You can select whether to use the timeout function for the GENE server.
*2 Firmware version R3.02 or later
DHCP function:
The IP address is automatically obtained from the DHCP server
5.2 Main Module (MW100-E) Specifications