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CRY (Cryostat IX)
keiko.kokeyama - 14:51 Monday 30 December 2019 (12348) Print this report
Coil balancing of ITMX

[Ushiba, Kokeyama]

Related to this post, ITMX coil balancing was done after the coil driver change of the payload part.

Attached screenshots are the resulting balancing gains. The balancing methods are following:

V1 and V3: balanced by looking at PIT.
H1 and H2: balanced by looking at YAW.
H3 is balanced so to cancel TEST_YAW (which is H1+H2).
V2 value is not changed.

MN: Balanced by DC stepping. One step is 500 cts.
IM: Balanced by 4Hz exc, 1500 cts.
IM: Balanced by 10Hz, 8000~11000cts.

Images attached to this report
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