Fuji Electric FRENIC-AQUA series, User Manual

Page: 615 / 751

6-334
6.3.16 y codes (Link functions)
y01 to y20 RS-485 Communication 1 and 2
Up to two RS-485 communications ports are available as listed below.
Port Route Function code Applicable equipment
Port 1 RS-485 communications link
(via the RJ-45 connector prepared for
keypad connection)
y01 through y10 Standard keypad
FRENIC Loader
Host equipment
Port 2 RS-485 communications link
(via terminals DX+, DX- and SD on the
control PCB)
y11 through y20 Inverter support loader
(FRENIC loader)
To connect any of the applicable devices, follow the procedures shown below.
(1) Standard keypad
The standard keypad allows you to run and monitor the inverter.
It can be used independent of the y code setting.
(2) FRENIC Loader
Connecting your computer running FRENIC Loader to the inverter via the RS-485
communications link (port 1 and 2), you can monitor the inverter’s running status information,
edit function codes, and test-run the inverters.
For the setting of y codes, refer to the descriptions of y01 to y20.
FRENIC-AQUA series of inverters has a USB port.
To use the FRENIC Loader via the USB port, simply set the station address (y01 or
y20) to "1" (factory default).
(3) Host equipment
The inverter can be managed and monitored by connecting host equipment such as a PC and
PLC to the inverter. Modbus RTU, Metasys N2, BACnet and Fuji general-purpose inverter
protocol are available for communications protocols.
For details, refer to the RS-485 Communication User's Manual.
„
Station address (y01 for port 1 and y11 for port 2)
y01 or y11 specifies the station address for the RS-485 communications link. The table below
lists the protocols and the station address setting ranges.
Protocol Station address Broadcast address
Modbus RTU protocol 1 to 247 0
SX protocol (FRENIC Loader
command protocol)
1 to 255 -
FRENIC Loader protocol 1 to 255 None
FUJI general-purpose inverter protocol 1 to 31 99
Metasys N2 0 to 255 -
BACnet 0 to 127 255
- If any wrong address beyond the above range is specified, no response is returned since the
inverter will be unable to receive any enquiries except the broadcast message.
- To use FRENIC Loader via the RS-485 communications link (port 1 and 2), set the station
address that matches the connected computer.