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IM MW100-01E
Explanation of Functions
1
Communication Specifications
The MW100 can communicate with external devices using its Ethernet or serial
communication port.
Login Function
This function ensures that only previously registered users can obtain access when
communicating with the MW100.
For instructions, see section 3.2, “Connecting to the MW100.” There are two levels of
user access rights as follows:
Level Notation Description
Administrator privileges Admin All functions are available.
User privileges User Measured/computed data, settings, log information, alarm
summaries, and status information can be obtained.
Administrator privileges required to switch operation
modes, start/stop computation and recording, or change
settings such as the measurement range.
Ethernet Communication
The MW100 supports the following protocols: FTP, SNTP, DHCP, DNS, HTTP, Modbus/
TCP, SMTP, and MW-specific.
• HTTP Function
Web service
MW100 settings and data can be monitored from a PC using a browser.
WebDAV function
A list of files and folders on the HTTP server (MW100) can be retrieved, and files and
folders can be copied, moved, or deleted from a PC using a browser.
• DHCP Client Function
The IP address can be automatically obtained from the DHCP server.
• SNTP Function
Acting as a client, the MW can obtain time information from the specified SNTP server
when the power is turned ON. When acting as the server, the unit can provide time
information to other MW100s connected to the network.
• FTP Function
As a client, the MW can send acquired data files to an FTP server. Two recipient
locations can be specified. When acting as the server, the MW can transfer or delete
files according to commands from a PC.
• E-Mail Function ( SMTP)
Alarm occurrences and creation of data files can be notified via e-mail. Two recipients
locations can be specified.
• MW100-Specific Protocol
You can carry out operations similar to the operations on a browser. For the available
commands, see the Communication Command Manual (MW100-17E).
• Modbus Client Function(/M1 option)
The MW100 can connect to a Modbus server device and load measured data. Using
Modbus commands, the MW100 can load data from the Modbus server at regular
intervals. Loaded data are assigned to the communication input channels (C001-C300)
of the MATH function (/M1 option). Up to ten Modbus servers can be registered.
1.3 Functions of the Main Module
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