5.2 Overview of FRENIC Loader
5-5
Chap. 5 RUNNING THROUGH RS-485 COMMUNICATIONS
5.2 Overview of FRENIC Loader
FRENIC Loader is a software tool that supports the operation of the inverter via an RS-485
communications link. It allows you to remotely run or stop the inverter, edit, set, or manage the
function codes, monitor key parameters and values during operation, as well as monitoring the running
status (including alarm information) of the inverters on the RS-485 communications network.
For details, refer to the FRENIC Loader Instruction Manual.
5.2.1 Specifications
Item
Specifications
(White on black indicates factory default)
Remarks
Name of software FRENIC Loader
Supported inverter FRENIC-MEGA/Multi/Eco/Mini (Note 1)
No. of supported inverters
When connected to RS-485
communications ports: Up to 31
Recommended cable
10BASE-T cable with RJ-45 connectors
compliant with EIA568
For the RS-485 interface
CPU Intel Pentium III 600 MHz or later (Note 2)
OS
Microsoft Windows XP (32-bit)
Microsoft Vista (32-bit)
Microsoft 7 (32-bit, 64-bit)
Memory 512 MB or more RAM 1GB or more recommended
Hard disk 20 MB or more free space
COM port
USB or RS-232C (conversion to RS-485
communication required to connect
inverters)
Operating environment
Monitor resolution 800 x 600 or higher
XGA (1024 x 768), 16-bit
color or higher is
recommended
COM port COM1 to COM255
PC COM ports assigned to
Loader
Transmission rate USB connection:
Between loader and keypad
= fixed at 12 Mbps
Between keypad and inverter
= fixed at 19200 bps
RS-485 connection:
38400, 19200, 9600, 4800, 2400 (bps)
19200 bps or more is
recommended.
Character length 8 bits Prefixed
Stop bit length 1 bit Prefixed
Parity Even Prefixed
No. of retries None, 1 to 10
No. of retry times before
detecting communications
error
Transmission requirements
Timeout setting
(100 ms, 300 ms, 500 ms), (1.0 to 1.5 to
1.9 s), (2.0 to 9.0 s) or (10.0 to 60.0 s)
This setting should be longer
than the response interval
time specified by function
code y09 of the inverter.
(Note 1) • FRENIC Loader cannot be used with inverters that do not support SX protocol (protocol for
handling Loader commands).
• Inverters other than standard series may not display function code data normally.
(Note 2) Use a PC with as high a performance as possible, since some slow PCs may not properly refresh
the operation status monitor and Test-run windows.
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