6.5 SX Bus Interface Card
6-119
Chap. 6
CONTROL OPTIONS
6.5.12.2 Installed with high-speed serial communication-capable terminal block
The following shows an example where the high-speed serial communication-capable terminal block
(OPC-VG1-TBSI) and SX bus interface card (OPC-VG1-SX) are installed simultaneously to drive the
multi-winding motor.
Connection example
FRENIC-VG (Master)
OPC-VG1
-SX
OPC-VG1
-TBSI
IN OUT
FRENIC-VG (Slave)
OPC-VG1
-SX
TX
RX
SX bus cable
IN OUT
MICREX-SX
Terminating
connector
Terminating
connector
OPC-VG1
-TBSI
Two-winding motor
MM
PGPG
Single-winding motor
RX
TX
Optical fiber
cable
1500 1500
Figure 6.5.37
Features
You can link with a multi-winding motor drive system which can drive a high-capacity motor via the SX
bus, to implement wire-saving, high-speed, and high-performance control.
If the SX bus option is also installed on the slave side, single-winding motors can be individually driven
by switching the drive motors.
Detailed specifications
(1) While driving a multi-winding motor, if a control command is input via the SX bus to the slave
inverter, the data will not be reflected. The motor operates according to commands given to the
master inverter.
(2) Refer to the "6.6 High-Speed Serial Communication-Capable Terminal Block" for the detailed
specifications of the multi-winding motor drive system card.
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