Toshiba TOSVERT VF-nC3 User Manual

E6581595
F-66
6
 Configuration of RS485 connector and wiring
Pin
number
Name Description
RS485
communication
1 -
For factory
Do not connect 2 -
3 (SG) Ground
4
RXD+/TXD+
Same phase
reception data
Using
5
RXD-/TXD-
Anti-phase
reception data
6 - Open
Do not connect
7 P8
Power supply
for option
8 SG Ground Using
 Connect only Pin-4, 5, 8 when manufacturing on the communication cable on the user side.
Never use pin-7. Note 1)
In case branch cables, use the terminal board or refer to following table.
Full length must be within 500m and stab length of branches must be within 1m each.
Examples of products available on the market (as of October 2010) Note 2)
Product Type Maker
Jack / jack type branch adaptor BJ8888W
SANWA DENKI
KOGYO CO.,LTD.
Branch connector BMJ-8
HACHIKO ELECTRIC
CO.,LTD.
Branch connector with termination resistor BMJ-8P
Rosette (additional 8 units) OMJ-88R
Note 1) Pin-7 provides power to the extension panel for option. Do not use this pin for RS485 communication.
Incorrect connect may result in the inverter malfunction or failure.
Note 2) All pins of these connectors are connected. Pull out pins except pin-4, 5, 8 by cable side.
Pin-1
Pin-8
Inverter viewed
from bottom
Master
RXD+/TXD+
RXD-/TXD-
SG
Pin-4
Pin-5
Pin-8
Straight
Straight
Termination resistor : 100 to 120Ω-1/4W or more
Straight
Slave
RXD+/TXD+
RXD-/TXD-
SG
Slave
RXD+/TXD+
RXD-/TXD-
SG
Slave
RXD+/TXD+
RXD-/TXD-
SG
Termination
resistor
Termination
resistor

Toshiba TOSVERT VF-nC3 Specifications

General

Model	VF-nC3
Category	Inverter
Output Frequency Range	0.1 to 400 Hz
Control Method	V/f control, sensorless vector control
Overload Capacity	150% for 60 seconds
Input Frequency	50/60 Hz
Enclosure Rating	IP20
Input Voltage	200-240V AC
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat, Short Circuit
Ambient Temperature	-10°C to +50°C
Communication	Modbus RTU
Cooling Method	Fan Cooled
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +60°C
Humidity	5 to 95% RH (non-condensing)
Altitude	Up to 1000m
Braking Unit	Built-in braking transistor (for models up to 22kW), External braking resistor required