Beam position from BOM system: from bank BOMB

QVXBOM

x beam position from BOM

QVYBOM

y beam position from BOM

KERBOM

Error code for BOM

• < 0 fatal error, QVXBOM and QVYBOM are filled with QVXNOM and QVYNOM
• = 0 BOM data good
• = 1 BOM data in x disagrees with VDET average
• = 2 BOM data in y disagrees with VDET average
• = 3 BOM data in both x and y disagrees with VDET average