Recently, high power IMC output with misaligning PRM is often used and sometimes IMC is kept locking with high power over night, which results in making HPBD hot,
So, I discussed with uchiyama-san and decided to add the safety function in the IMC guardian.

If hitting 10W beam for 8 and 24 hours, HPBD temperature becomes 350K and 370K, respectively.
So, I set the threshold at 365K as shown in fig1.

From now, if the HPBD temperature exceeds 365K, IMC lock will be lost once to make IMC output smaller.

Note:

During the work, I noticed we have two ZERO_SERVOOFFSET state with the same index.
Since this state is not used, I didn't change them but it would be better to renew the IMC guardian.