4-61
Communication function
Serial communication is possible from the Inverter to any external
equipment using RS485 protocol. This function is built-in as
standard and is controlled by the TM2 control terminals.
(1) Communication specification
<RS485 port specification and connection>
Use TM2 of controls terminal PCB for RS485 communication function.
Item
Specification
Notes
Transmission speed
2400/4800/9600/19200 bps
Selection with
operator
Communication methods
Half duplex communication methods
Synchronizing methods
Direct current transmission
Transmission code
ASCII code
Transmission methods
Transmission from lower bit
Communication interface
RS485
Data bit
7/8 bit
Selection with
Operator
Parity
No parity/even/odd
Selection with
Operator
Stop bit
1/2 bit
Selection with
Operator
Start methods
One-way start form by command of host side
Waiting time
0-1000[ms]
Setting with
operator
Connect form
1:N (N = Maximum 32)
Station number is
selected with
operator.
Error check
Overrun / Fleming / BCC / Vertical / Horizontal parity
Chapter 4 Explanation of function
Control terminal
PCB
Control terminal
Abbreviation
name
Description
S P
Transmission and
rec side
S N
Transmission and
reception - side
R P
Terminal resistance
valid terminal
S N
Terminal resistance
valid terminal
Relation code
A001: Frequency selection
A002: Operation command selection
C070: Data command
C071: Communication transmission speed
C072: Communication code
C073: Communication bit
C074: Communication parity
C075: Communication stop bit
C078: Communication waiting time