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Advant
®
Controller 450 User’s Guide
Section 5.5.10 User Repair
3BSE 002 415R701 Rev A
5-71
DSSR 122
1.
Switch off the mains supply.
Use the power switch S1 on the power switch unit.
2.
Open the hinged frame to gain access to the unit and the connection terminals on the rear
side of the I/O subrack.
3.
Disconnect the 24 V supply lead at the screw terminal.
4.
Loosen the 5 V screw on the subrack 5 V terminal bar.
5.
Loosen the 0 V screw on the subrack 0 V terminal bar.
6.
Unscrew the screws which hold the regulator unit and remove it from the rack, lifting the
regulator upwards thus disengaging it from the 5 V, 0 V terminals.
7.
Check that the new unit can replace the old:
–
Check for lowest revision approved variant to be used for the equipment and use
replacement of the same or higher revision number.
8.
Install new unit in the reverse order.
9.
Switch on the mains supply voltage. With the processor module start mode selector in
position 1 (AUTO) the system will be automatically initialized and restarted.
10. Check 5 V (5.0 V - 5.25 V) on the test terminals using a volt meter.
DSSR 170
1.
The replacement is made on line. That is with the mains supply on. The controller
operation will not be disturbed.
2.
Open the hinged frame to gain access to the unit on the rear side of the I/O subrack.
3.
Unscrew the two fixing screws and remove the regulator.
4.
Check that the new unit can replace the old:
–
Check for lowest revision approved variant to be used for the equipment and use
replacement of the same or higher revision number.
5.
Install the new regulator. Tighten the fixing screws firmly.
6.
Check the LED indications. F should be OFF while LIVE should be ON.
7.
Store extracted unit in envelope of conductive plastic.
Notes on DSSR 170:
•
When replacing a voltage regulator, the substitute is to be placed in the same position as
the regulator to be exchanged.
•
The upper fixing screw must be tightened to enable the 24 V/5 V conversion. If there is
any contact problem, adjust the position of the nut at the contact spring in the regulator.
•
The fuse in the regulator is readily accessible at the rear of regulator printed circuit board
when the regulator has been removed from the rack.
•
The correct function of a regulator can be checked only by individual testing of the
regulator. (In a separate test rig or by removing redundant regulators one at a time).
Содержание Advant Controller 450
Страница 1: ...Advant OCS with Master software GYDQW RQWUROOHU User s Guide 3BSE 002 415R701 Rev A ...
Страница 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
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Страница 488: ... GYDQW RQWUROOHU 8VHU V XLGH SSHQGL DUGZDUH 0RGXOHV A 48 3BSE 002 415R701 Rev A ...
Страница 496: ...Advant Controller 450 User s Guide Appendix C Delivery Documentation C 2 3BSE 002 415R701 Rev A ...
Страница 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Страница 514: ...Advant Controller 450 User s Guide Appendix E Current Consumption and Heat Dissipation E 6 3BSE 002 415R701 Rev A ...
Страница 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Страница 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Страница 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Страница 561: ...Advant Controller 450 User s Guide Index 3BSE 002 415R701 Rev A iii V Valve control 1 102 VT100 terminal 1 105 ...
Страница 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
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Страница 564: ...3BSE 002 415R701 Rev A March 2000 ...