Beamline Critical Devices
1. Call up digital status for L:MUCDC.
2. Open E:UBS109 via the critical device controller status page.
3. Verify the digital status for E:UBS109 indicates the beam stop is open.
4. Issue an off command from the digital status page to the critical device controller.
5. Verify the digital status for E:UBS109 indicates the beam stop closed.
6. Document the results in the MCR Logbook.