User Communication; Modbus Communication - IDEC FT1A Series User Manual

1: G I
ENERAL NFORMATION

User Communication

The user communication of the SmartAXIS enables you to control external devices such as computers, printers, and barcode
readers. For details on user communication, see "User Communication Instructions" on page 10-1.
Supported ports: Ethernet port and expansion communication ports
User Communication on RS232C
•
This example shows a system in which a SmartAXIS receives the data read by a barcode reader. The RS232C communication
cartridge (FT1A-PC1) is installed in a SmartAXIS expansion communication port, and then the barcode reader is connected to the
RS232C port.
SmartAXIS

Modbus Communication

The SmartAXIS is compliant with Modbus protocol and can be used as either a Modbus communication master or slave. When
used as a Modbus master, the SmartAXIS can monitor and modify the data of Modbus compliant devices, such as inverters and
temperature controllers, using Modbus communication.
For details on Modbus communication, see "Modbus Communication" on page 11-1.
Supported ports: Ethernet port and expansion communication ports
Modbus Communication on RS485
•
This example shows a system in which a SmartAXIS is communicating with a temperature controller and an inverter that support
Modbus RTU. The RS485 communication cartridge (FT1A-PC3) is installed in an expansion communication port on the SmartAXIS.
SmartAXIS
1-8
Expansion communication
port
RS232C communication
cartridge (FT1A-PC1)
Temperature controller
Expansion
communication
port
INVE RTER
RS485 communication
cartridge
(FT1A-PC3)
Shielded twisted-pair cable
S AXIS P /L
MART RO ITE
Barcode reader
Inverter
RUN
RVS
ALM
COM
U ' M FT9Y-B1378
SER S ANUAL