Fuji Electric FRENIC MEGA G2 Series - Y Codes (Link Functions)

5.3 Description of Function Codes 5.3.12 y codes (Link functions)
5-414
5.3.12 y codes (Link functions)
y01 to y20
RS-485 setting 1, RS-485 setting 2
In the RS-485 communication, two systems can be connected.
System
(Communication port)
Connection configuration
Function code
Equipment that can be connected
System 1
(Port 1)
RJ-45 connector for
keypad connection
y01 to y10
(1) Keypad (standard/multi-function)
(2) FRENIC Loader
(3) Host equipment
System 2
(Port 2)
[Terminal] DX+, DX-, SD
y11 to y20
(2) FRENIC Loader
(3) Host equipment
An overview of all compatible devices is given below.
(1) Keypad (standard/multi-function)
The standard keypad or multi-function keypad can be connected to operate and monitor the inverter.
The standard keypad can be used regardless of the y code setting.
(2) FRENIC Loader
Inverter supporting (monitor, function code editing, test operation) can be performed by connecting a computer
with the FRENIC loader installed.
The FRENIC-MEGA keypad is equipped with a USB port. If connecting with FRENIC Loader via the USB
port, use is possible simply by setting the station address (y01) to “1” (factory default).
(3) Host equipment
Host equipments such as PLC and controller can be connected to control and monitor the inverter. Modbus
RTU* protocol or Fuji general-purpose inverter protocol can be selected for communication.
* Modbus RTU is a protocol stipulated by Modicon.
 Refer to the "RS-485 Communication User's Manual" for details.
 Station addresses (y01, y11)
Sets the station address for RS-485 communication. The setting range differs for each protocol.
Protocol
Range
Broadcast
Modbus RTU
1 to 247
0
Fuji general-purpose inverter
1 to 31
99
• When specifying a value outside the range, no response is returned.
• If using FRENIC Loader, set the station specified with FRENIC Loader.