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Advant
®
Controller 450 User’s Guide
Section 5.5.10 User Repair
3BSE 002 415R701 Rev A
5-69
Off Line Replacement
1.
Switch off the mains supply to the cabinet and wait until the capacitors have discharged.
When the power supply system is loaded, the discharge takes 10 secs and when unloaded,
60 secs.
2.
Gain access to the connectors on the voltage supply unit.
3.
Disconnect actual connectors (plugs or terminals).
4.
Unscrew the screws which fasten the unit and remove unit from the frame.
5.
Install new unit in the reverse order.
Reconnect all plug connectors (terminals).
6.
Switch on the mains supply and test the unit function.
LED LIVE on the 24 V distribution unit (SX554) should light. A volt meter connected to
the test terminal on the distribution unit should read 19 V - 32 V.
On Line Replacement
1.
Switch off the actual mains supply branch in the cabinet and wait until the capacitors in
the power supply units have discharged. When the power supply system is loaded,
the discharge takes 10 secs and when unloaded, 60 secs. Use the switch S1 on the actual
power switch unit.
2.
Gain access to the connectors on the voltage supply unit.
3.
Check with a volt meter that the voltage supply unit is “dead” on both the primary and
secondary sides. Any faulty voting diode can give a secondary “back” voltage.
4.
Disconnect actual connectors (plugs or terminals).
5.
Unscrew the screws which keep the unit in place and remove unit from the frame.
6.
Install the new unit in the reverse order.
Reconnect all plug connectors (terminals).
7.
Switch on the mains supply and test for the unit function.
LED LIVE on the 24 V distribution unit (SX554) should light. A volt meter connected to
the test terminal on the distribution unit should read 19 V - 32 V.
5.5.10.5 Replacement of 5 V Regulator
Different regulators are used for the different applications:
•
Controller subrack. Unit accessible from the front side.
–
Single regulator, SR511
–
Redundant regulators, 2 x SR511
•
I/O subrack. Unit accessible from the rear side.
–
Single regulator, DSSR 122
–
Redundant regulators, 3 x DSSR 170.
Summary of Contents for Advant Controller 450
Page 1: ...Advant OCS with Master software GYDQW RQWUROOHU User s Guide 3BSE 002 415R701 Rev A ...
Page 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
Page 30: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xx ...
Page 488: ... GYDQW RQWUROOHU 8VHU V XLGH SSHQGL DUGZDUH 0RGXOHV A 48 3BSE 002 415R701 Rev A ...
Page 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Page 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Page 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Page 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Page 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
Page 563: ......
Page 564: ...3BSE 002 415R701 Rev A March 2000 ...