Fuji Electric OPC-G1-SX., Instruction Manual, Page: 22 / 34

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(5) Configuring the station address switches (RSW1 and RSW2) on the communications card (Refer to Section
2.2).
Before accessing the station address switches, make sure that the inverter power is OFF.
Use the station address switches to configure the station address of the SX-bus communications card. The
station address should be the one that has been registered by Expert.
Setting the station address to 00h automatically assigns a station address.
(6) Turning the inverter ON and configuring the inverter's function codes.
- Select the communications format using the inverter's function code o30.
- Configure the inverter's function codes o27, o28, and y98, if necessary.
For details about the communications format, refer to Chapter 7 "COMMUNICATIONS FORMAT."
(7) Power ON the MICREX-SX, write a project, and then send an SX-bus connection request to the inverter.
For details about how to send a connection request from the MICREX-SX, refer to the MICREX-SX
user's manual.
(8) Starting data exchange in SX-bus communication
In response to the connection request from the MICREX-SX, the SX-bus communications link will be
established if the MICREX-SX and the SX-bus communications card have been properly configured and
wiring between them is correct.
The MICREX-SX exchanges data with the inverter in accordance with the communications format selected,
making it possible to control the inverter.
When the error LED on the MICREX-SX CPU is ON, no SX-bus communication is possible.