WP3414 WP3396

The IOP watchdog system between SUS HAM2a, SUS HAM34 and SEI HAM23 was partially re-enabled.

In the new scheme, HAM2A SUS cannot trip SEI HAM23, but SUS HAM34 (actually only the HAM3 SUS of MC2,PR2) can trip SEI HAM23.

Note that if MC2 or PR2 trip SEI HAM23, then all HAM2 suspensions lose their HPI/ISI drives.

This work required restart of h1sush34, h1seih23 and H1 DAQ. For testing I WD tripped MC2, PR2 and MC1 (to prove HAM2 will not trip SEI).

WD MEDM screen was changed to show the new layout.

All tests passed. This closes out the two workpermits.