Toshiba GX7R ASD, Quick Start Manual

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12 GX7R ASD Quick Start Guide
Connecting the ASD
Contact With 3-Phase Input/Output Terminals Or The 480-Volt Input May
Cause An Electrical Shock Resulting In Injury Or Loss Of Life.
Refer to the section titled Installation Precautions on pg. 4 and the section titled Lead Length
Specifications on pg. 15 before attempting to connect the ASD and the motor to electrical power.
Power Connections
See Figure 18. on pg 28 for a system I/O connectivity schematic.
The 3-phase input lines connect to the PB1 terminal block. The connection sequence is as indicated in
Figure 2. on pg 13 (input lines C , B , A to PB1 terminals A , B , and C , respectively).
T1 , T2 , and T3 are the output terminals of the ASD that connect to the motor.
Connect the input and output power lines of the ASD as shown in Figure 2. on pg 13.
The Charge Indicator LED is located on the Gate Driver Board and provides an indication that there
is a harmful voltage level present (see Figure 1. ).
Ensure that the Charge Indicator LED is off before attempting to perform any maintenance on the
ASD.
The +5 , +15 , -15 , & +24-Volt LED s are also located on the Gate Driver Board and are on when the
proper voltages are present. The Fuse Open Indicator LED provides an indication that the bus fuse is
open and the bus voltage is present (when on).
Caution: LED indicators are not to be used for troubleshooting.
Figure 1. Typical GX7R ASD Gate Driver PCB.
DANGER
harge
ndicator LED
Buss Fuse Open
Indicator LED
Indicator LEDs
Charge
Indicator LED
+5, +15, -15, & +24V
Gate Driver Board