14
3.5.2 Arrangement and wiring of control circuit terminals
PC SE
RUN
10 2 5 4
SD STFSTR RL RM RH
SD
AB
C
....Japanese version
....NA, EC version
FM
<AM>
Loosen the terminal screw and insert the cable into the terminal.
Screw size: M3 (A, B, C terminals), M2 (other than on the left)
Tightening torque: 0.5N
⋅
m to 0.6N
⋅
m (A, B, C
terminals)
0.22N
⋅
m to 0.25N
⋅
m (other than
the above)
CAUTION
Undertightening can cause cable disconnection
or malfunction. Overtightening can cause a short
circuit or malfunction due to damage to the
screw or unit.
Control circuit terminal block
Cable size: 0.3mm
2
to 0.75mm
2
Screwdriver: Small flat-blade screwdriver
(Tip thickness: 0.4mm (0.02inches)/
tip width: 2.5mm (0.10inches))
Wire the stripped cable after
twisting it to prevent it from
becoming loose.
In addition, do not solder it.*
Cable stripping size
A, B, C
terminals
Other than
the above
(mm (inches))
6 (0.24)
5 (0.20)
*For the bar terminal, refer to the instruction manual (detailed).
3.5.3 Connection to RS-485 connector (only the inverter with RS-485
communication function)
(1) When connecting the parameter unit (FR-PU04)
Use the optional FR-CB2 .
(2) RS-485 communication
Use the RS-485 connector to perform communication operation from a
personal computer etc. By connecting the RS-485 connector to a computer
such as a personal computer, Factory Automation or other computer, by the
communication cable, you can operate/monitor the inverter and read/write the
parameter values using user programs. For further details, refer to the
instruction manual (detailed).
•
Standard with which RS-485 connector conforms: EIA Standard RS-485
•
Transmission format : Multi-drop link
•
Communication speed: Maximum 19200 bps
•
Overall extension : 500m (1640.42feet)
CAUTION
Do not plug the connector to a computer LAN board, fax modem socket,
telephone modular connector etc. As they are different in electrical
specifications, the inverter may be damaged.
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