9-12
9-4-1 Connector and Communication Cable
Use marketed products for the connector, the communication cable and branch adapter. Table 9-4-2
shows the specification of each of them.
Table 9-4-2 Connector and cable specification
Item Specification
Connector RJ45 connector
Cable Cable complying with EIA568 (for 10BASE-T Straight connection)
(Max. wiring length: 500m)
Branch adapter MS8-BA-JJJ (SK KOHKI CO., LTD or equivalent.)
9-4-2 Recommended RS-232C/RS485 Converter
For communications with PCs having an RS232C terminal, the following insulation type converter is
recommended.
Model : KS485PTI
Manufacture : System Sakom
9-4-3 Remote/local changeover
Operation between according to the frequency setting and operation commands sent via serial
communication, and according to the frequency setting and operation commands set in the inverter
main body, can be switched over.
The frequency setting and operation command selection is made as follows, using function H30 and
remote/local switching.
The function of any of the X1 through X5 terminals of the inverter main body is changed to be the LE
terminal which is used for remote/local switching. Any of the functions E01 through E05 is used to
change the function of X1 to X5 terminal. If X1 through X5 terminals are not assigned to the LE
terminal, it is always in the remote mode.
Fig. 9-4-3 Command switching block diagram
When X1 through X5 terminals are assigned with BX, THR and RST functions, the BX, THR and
RST functions are activated even in the remote mode according to the inputs to the terminals. RS485
can not make THR ON/OFF.
Frequency
Frequency
setting
Host
(PC, PLC)
FWD,REV
～
Frequency setting
(keypad panel or
analog)
RUN/STOP key
/FWD,REV
Operation
command
Remote (H30=1,3)
Local or H30 = 0, 2
Remote (H30=2,3)
Local or H30 = 0, 1
LE
P24
ON: Remote
OFF: Local
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