Terminal/connections, Testing equipment, Procedure – Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control (PanelView 550) User Manual
Page 81: Testing equipment procedure
Rockwell Automation Publication 7000-UM151E-EN-P - January 2013
81
Component Definition and Maintenance Chapter 3
Terminal/Connections
Testing Procedure for SCR
Self-Powered Gate Driver
Board
Testing Equipment
Ensure you have the following equipment available in order to perform testing
tasks.
• Digital oscilloscope
• Function generator w/duty cycle control
• DC power supply (+15V @ 300 mA required)
• Digital multimeter
• Temperature sensor board (80190-639-02)
Procedure
1. Connect a clamped ABB #5STP03D6500 SCR to the gate-cathode leads
of the SPGDB board (TB4-1/TB4-2).
2. Attach a temperature sensor board to the TB2-1/TB2-2 terminals.
3. Apply +15V test power to terminals TB3-1 and TB3-3 (TB3-1 is at +15V
while TB3-3 is the +15V return). Leave TB3-2 open.
4. Measure TP4 to TP3, which should be +14.4V, +/-100mV.
5. Measure TP5 to TP3, which should be +5.0V, +/- 250mV.
6. Measure TB2-1 to TB2-2, which should be +14.4V, +/-100mV.
TB1-1
Connection to SCR snubber circuit (capacitor connection end) used to extract energy
from the snubber for SPGDB operation.
TB1-2
Connection to SCR sensing resistor which indicates conduction status of SCR being
operated.
TB2-1
Positive 20V power supply connection to temperature sensor board. Provides power to
temperature sensor board.
TB2-2
Common connection of positive 20V power supply to temperature sensor board.
TB3-1
Positive 15V power supply connection for test power used when commissioning drive or
testing SPGDB.
TB3-2
Provides artificial sense voltage signal to allow SPGDB to gate the SCR when in test
mode. When the appropriate test power cable is used, P/N 80018-298-51, this input is
shorted to TB3-1 to obtain the sense voltage.
TB3-3
Common connection of positive 15V power supply used for test power
TB4-2
Cathode connection to SCR being controlled
TB4-1
Gate connection to SCR being controlled
OP1
Blue fiber optic cable receptacle – Gating pulse command from the processor
OT1
Grey fiber optic cable receptacle – Diagnostic status of the SCR