Rockwell Automation Publication 23PFC-TG001A-EN-P - March 2018
71
Frame A Field Controller Part Replacement Procedures
Chapter 3
11. Remove the screws and washers that secure each SCR module to the
heat sink and remove the SCR modules.
Install the SCR Modules
Install the SCR modules in the reverse order of removal using these tables for
proper hardware torque specifications:
• Use the following table to determine the proper tightening torque for
the SCR modules that are installed on the heat sink.
11
IMPORTANT
Thermal grease must be applied to the bottom of each SCR module before
securing it to the heat sink.
Device Output
Current (Amps)
Rockwell Automation
Cat. No.
Vendor
Vendor Part Number
Final Torque
17
SK-20P-S7F73
Semikron
SKKT27/16E
5 ±15% N•m (44.25 ±15% lb•in)
IXYS
MCC26-16io1B
2.5…4 N•m (22…35.4 lb•in)
60
SK-20P-S7F74
Semikron
SKKT42/16E
5 ±15% N•m (44.25 ±15% lb•in)
ABB-IXYS
MCC44-16io1B
2.5…4 N•m (22…35.4 lb•in)
ABB-IXYS
MCC60-16io1B
2.5…4 N•m (22…35.4 lb•in)
‘20
SK-20P-S7F75
IXYS
MCC56-16io1B
2.5…4 N•m (22…35.4 lb•in)
Semikron
SKKT57/16E
5 ±15% N•m (44.25 ±15% lb•in)
Содержание 23PFC
Страница 8: ...8 Rockwell Automation Publication 23PFC TG001A EN P March 2018 Preface Notes ...
Страница 130: ...130 Rockwell Automation Publication 23PFC TG001A EN P March 2018 Appendix A Schematics Notes ...
Страница 142: ...142 Rockwell Automation Publication 23PFC TG001A EN P March 2018 Appendix B Circuit Board Layouts and Connections Notes ...
Страница 148: ...148 Rockwell Automation Publication 23PFC TG001A EN P March 2018 Index Notes ...
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