Interlock Defeat

System(s) Affected:
Targets

Interlock to be Defeated:
2A3M20 left and right protect trip level increased

Implementation:	Number:
Date: 2024-10-21 Time: 20:45:00	2024-498
Implemented By: Eric Chapman
In Consultation With:

Status: Removed

Estimated Duration:
4 weeks

Reason for Defeat:
80uA down BL2A3 with rotating beam at 3.5mm. Beam size large on 2A3M20 in horizontal direction, as requested by Aurelia to maintain appropriate beam size.

Number of Yellow Tags:
1

Location of Defeat Tag(s):
none, defeat is informational.

How Was Defeat Implemented?
Where is Defeat Located?:
XTpage 2A3P, 2A3M20 Protect Monitor Left and Right Trim limits increased from 350 to 500. 2A TW 450 and 451.

Describe Alternate Protection:
Trip occurs at higher level than typically. These values are set as demands dictate by target experts or by there historical values.

Fault Reports:

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: 2024-10-23 Time: 05:27:00	2024-498
Removed by: Ryan Anderson

Status: Removed

Interlock Verification Method:
Restored limits using XRC. Appropriate limits of 350 displayed for both protect monitor current L and R trip limits on XT page 2A3P.

Number of Tags Removed:
1

Comments: