80
Modbus RTU control (RS-485 communication)
11.4 Flow of setting required for Modbus communication
If you are new to this product, read this section to understand the operating methods along with the operation ow.
This is an example how to set operation data and parameters to the driver and operate the motor using a host controller.
Settings and wirings for the motor and the driver
Set address number and transmission rate
The address number is set with the address number setting switch at the
factory setting.
(It can be set with the parameter via RS-485 communication or the
MEXE02
.)
Set parameters (I/O signals) Assignments and logic level settings for direct I/O or remote I/O are performed.
Select the setting method of a query
Indirect reference: Store the data in addresses exclusive for sending and send.
Direct reference: Specify the register address and send.
Select the operation method and set
the operation data
Setting methods of operation data are as follows.
•
Digital setting (
MEXE02
, RS-485 communication)
•
External analog setting device
•
PWM signal input
Set parameters Settings of information and alarms as well as motor operation are performed.
Completion of setting
Refer to p.27 for the guidance to operate the motor by setting the operation data and parameters using
a host controller.
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