Fuji Electric Frenic lift, Reference Manual

Page: 146 / 254

2.3 Overview of Function Code
C
hap.
2
FUN
CT
IO
N
C
O
D
E
S
y codes (Link functions) 2.3.7
y01 to y20 RS-485 communication setting 1 and 2
In the RS-485 communication, two systems can be connected.
Port Connection method
Function
code
Equipment that can be
connected
Port 1 Via RS-485 communication link (port 1)
(RJ-45 connector to connect keypad)
y01 to y10
Multi-function keypad
Basic keypad
Inverter
supporting
loader
Host equipments (upper
equipments)
Port 2
Via RS-485 communications link (port 2)
Via digital input terminal blocks (DX+, DX-)
y11 to y20
Host equipments (upper
equipments)
Inverter supporting loader
Overview of the equipments is given below.
(1) Keypad
Multi-function keypad and basic keypad can be connected to operate and monitor the inverter.
Regardless of the y code settings, both of keypads are available.
(2) Inverter supporting loader (FRENIC loader)
Inverter supporting (monitor, function code editing, test operation) can be performed by
connecting a computer with the FRENIC Loader software installed.

For the y codes setting, refer to the function codes y01 to y20.
(3) Host equipments (upper equipments)
Host equipments (upper equipments) such as PLC and controller can be connected to control
and monitor the inverter. Modbus RTU
*1
protocol or DCP
*2
protocol can be selected for
communication.
*1 Modbus RTU is a protocol defined by Modicon.
*2 DCP is a protocol defined by KOLLMORGEN.

For details, refer to the RS-485 Communication User’s Manual.
■
Station addresses (y01, y11)
Set the station addresses for the RS-485 communication. The setting range depends on the protocol.
Protocol Range Broadcast
Modbus RTU 1 to 247 0
Protocol for Loader software 1 to 255 —
DCP — —
When specifying a value out of range, no response is returned.
To use Loader software the inverter settings should match with the computer’s settings.
2-133