BENSHAW Rsi S Series, Instruction Manual, Page: 85 / 398

Learning Advanced Features
73
Setting a Frequency Reference via RS-485 Communication
Control the inverter with advanced controllers such as PLC’s or PC’s via RS-485 communication. Set
the Frq (Frequency reference source) code in the Operation group to 6 (Int 485) and use the RS-485
signal input terminals (S+/S-/SG) for communication. Refer to 7
RS-485 Communication F on page
231 .
Group Code Name LCD Display Parameter Setting
Setting
Range
Unit
Operation Frq
Frequency reference
source
Freq Ref Src 6 Int 485 0–12 -
In
01
Inverter ID
Integrated RS-485
communication
Int485 St ID - 1 1
–
250 -
02
Protocol
Integrated RS-485
communication
Int485 Proto
0 ModBus RTU
0
–
2
-
1 Reserved
2 LS Inv 485
03
Integrated
communication speed Int485
BaudR
3 9600 bps 0
–
7 -
04
Integrated
communication frame
configuration
Int485
Mode
0 D8/PN/S1
0
–
3 -
1 D8/PN/S2
2 D8/PE/S1
3 D8/PO/S1