5-13
IM MW100-01E
Specification
5
Display
Status LED Illuminated: Indicates measuring, recording, alarm occurrence,
computing, and receiving data by serial communications
Blinking: Processing recording stop, processing MATH stop
Two-digit 7-segment LED:
MW100 Data Acquisition Unit status display
Unit number, error occurrence time, power ON self-check in
progress, key lock ON, processing.
Ethernet port LED: Ethernet communication status (LINK, ACT)
Communication
Ethernet Port
Interface: Ethernet 10BASE-T/100BASE-TX
The data rate can be fi xed 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 34318 4
communication commands
DIAG server For MW100 maintenance 34317 1
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 specifi ed period is forcibly dropped.
Server Type Timeout Value
Modbus server 30 s
FTP server 10 minutes
HTTP server 2 minutes
GENE server* 1 to 120 minutes. Set in unit of 1 minute.
DIAG server 10 minutes
* You can select whether to use the timeout function for the GENE server.
5.2 Main Module Specifications
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