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Communication functions (Pr. 117 to Pr. 124, Pr. 342)
3.14 Communication functions (Pr. 117 to Pr. 124, Pr. 342)
3.14.1 Computer link operation (RS-485 communication)
(Pr. 117 to Pr. 124 )
<Communication specifications>
z For parameter instruction codes, refer to the appended parameter instruction code list (page 213).
Used to perform required settings for communication between the inverter and personal computer.
Using the inverter setup software (FR-SW1-SETUP-WE) enables efficient parameter setting, monitoring, etc.
z Communication operation can be performed from the PU connector of the inverter by RS-485
communication.
Conforming standard
RS-485 Standard
Number of inverters connected
1: N (max. 32 inverters)
Communication speed
Selected among 19200, 9600 and 4800bps
Control protocol
Asynchronous system
Communication method
Half-duplex system
Communication
specifications
Character system
ASCII (7 bits/8 bits) selectable
Stop bit length
Selectable between 1 bit and 2 bits.
Terminator
CR/LF (presence/absence selectable)
Check
system
Parity check
Selectable between presence (even/odd) and absence
Sum check
Presence
Waiting time setting
Selectable between presence and absence
REMARKS
For computer link operation, set 65520 (HFFF0) as "8888" and 65535 (HFFFF) as "9999".
speed torque position