100 Rockwell Automation Publication 7000-UM202H-EN-P - November 2023
Chapter 2 Power Component Definition and Maintenance
Figure 90 - SPS Board Test Points
Testing Equipment
Ensure you have the following equipment available in order to perform testing
tasks.
• SPS test power harness (part no. 80018-695-51)
• Digital multimeter
1. Disconnect the snubber connection to J1 of the SPS board.
TP6-300V
DC common
TP4-300V DC
TP14 - 20V DC COM
TP15 - 20V DC
DS1-20V DC
Good LED
J1 Snubber and
Test Power Harness
J2-20V DC
Output Power
to SGCT and
TFB Board
Terminal Connections
J1 – 1 Connection to the SGCT snubber capacitor at CS-2 location
J1 – 2 Connection to SGCT cathode terminal
J1 – 3
Connection to input attenuated feedback
(Short J1-3 to J1-4 to disable input SCR clamp stage for test power usage)
J1 – 4
Connection to 300V DC common connection
(Short J1-3 to J1-4 to disable input SCR clamp stage for test power usage)
J1 – 5
Connection to 300V DC internal bus
(Short J1-5 to J1-6 to allow input to operate from 90V AC)
J1 – 6
Connection to TOPSwitch programming resistor
(Short J1-5 to J1-6 to allow input to operate from 90V AC)
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