Fuji Electric FRENIC-AQUA series, User Manual

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6.3 Details of Function Codes
6-257
Chap. 6
FUNCTION C
ODES
< Function code configuration required for the communications-linked inverter drive motor
floating system and communications-linked all motors simultaneous PID control system >
(1) Function codes to be configured (Different between master and slaves)
For master
Function code Name Data Description
J401 Pump control
mode selection
52: Communications-
linked inverter
drive motor
floating system
54: Communications-
linked all motors
simultaneous PID
control system
J101 to J138
J201 to J231 PID control 1
PID control 2 Depends on each code
setting These function codes configure PID control in
accordance with the system design.
PID1/PID2 switchable.
J403 Number of
slaves
1 or 2
y20 RS-485
communication
2
50: Communications
link pump control
protocol
For slaves
Function code Name Data Description
J401 Pump control
mode selection
52: Communications-
linked inverter
drive motor
floating system
54: Communications-
linked all motors
simultaneous PID
control system
H30 Communication
s link function
8: Frequency
command (RS-485)
and run command
(RS-485)
Ready to receive run commands and frequency
command.
J402 Communication
master/slave
selection
1: Communication
slave inverter
y11 Station address 1 or 2 1 for the 1st motor, 2 for the 2nd motor
y20 RS-485
communication
2
50: Communications
link pump control
protocol
(2) Function codes recommended to be configured
Function code Name Data Description
J425 Motor
switching
procedure
1: Equal operating time This function code automatically adjusts the
start/stop sequence of commercial
power-driven pumps to equalize the operating
times of pumps.