1-2
IM XL100C-E
1.2
Explanation of Functions
This section gives an overview of the communication function that can be used to control
the XL100.
Modbus Communication
Modbus Slave
• The Modbus protocol can be used to read the measured/calculated data written to the
input register of the XL100 from a PC or write/read communication input data from the
hold register of the XL100.
• For details on the Modbus function codes that the XL100 supports, see section 4.1.
• This function can be used only when communicating via the serial interface.
• For a description on the settings required to use this function, see sections 4.2 and
4.3.
Modbus Master
• Loads the measured data and other types of data of other instruments using the
Modbus protocol as communication channel input. The loaded data can be scaled
and displayed with a unit that you assign. The data can also be handled on a
calculation channel.
• Function for writing data to other instruments is not supported.
• For details on the Modbus function codes that the XL100 supports, see section 4.1.
• This function can be used only when communicating via the serial interface.
• For a description on the settings required in using this function, see section 4.4.
Setting/Measurement Server
• This function can be used to set almost all of the settings that can be configured using
the front panel keys. This function cannot be used to (1) turn the power switch ON/
OFF, (2) set the user name/password for communications, (3) set the user name/
password for key login, and (4) set the destination of the FTP client function.
• The following types of data can be output.
• Measured/calculated data.
• Data in the internal memory or files in the external storage medium.
• Setup data.
• Log data of operation errors and communications.
• The commands that can be used through this function are setting commands and
output commands.
• This function can be used when communicating via the Ethernet or the serial
interface.
Maintenance/Test Server
• This function can be used to output connection information, network information, and
other information regarding Ethernet communications.
• The commands that can be used through this function are maintenance/test
commands.
• This function can be used only when communicating via the Ethernet interface.
