Rack Power ONOFF procedures » History » Version 6
Sowjanya Gollapinni, 08/21/2015 03:39 PM
1 | 1 | Sowjanya Gollapinni | h1. Rack Power ONOFF procedures |
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2 | 1 | Sowjanya Gollapinni | |
3 | 4 | Sowjanya Gollapinni | *Step 0:* go on the platform, with all requirements: Hard hat, closed-toed boots, and most importantly, Two-person rule! |
4 | 1 | Sowjanya Gollapinni | |
5 | 1 | Sowjanya Gollapinni | h2. Readout Electronics Racks Power-Off/On Procedure for Planned Power Outages |
6 | 1 | Sowjanya Gollapinni | |
7 | 4 | Sowjanya Gollapinni | *Step 1:* Make sure the software DAQ/read-out processes are not running. In other words, this means that the platform power off procedure should ONLY be done AFTER the DAQ/computer room racks are powered down. Confirm from the On-call DAQ expert and the uB operator on shift that this is the case before proceeding. |
8 | 3 | Sowjanya Gollapinni | |
9 | 4 | Sowjanya Gollapinni | *Remember, the following racks should be powered off in the following order, and following indicated steps* |
10 | 4 | Sowjanya Gollapinni | |
11 | 2 | Sowjanya Gollapinni | *Side note:* For reference, we are following the reverse of the prescription as written in |
12 | 2 | Sowjanya Gollapinni | http://microboone-docdb.fnal.gov:8080/cgi-bin/RetrieveFile?docid=3825&filename=TPC-R1_Power-up.pdf&version=10 |
13 | 2 | Sowjanya Gollapinni | |
14 | 1 | Sowjanya Gollapinni | *1. TPC-R2 through TPC-R5 power off:* |
15 | 5 | Sowjanya Gollapinni | a. Switch off both Wiener PS using the red toggle switch on the front panel (gently push down the toggle switch for 3 seconds until the display turns off). |
16 | 5 | Sowjanya Gollapinni | b. Switch off the middle (CB2) and lowest (CB3) circuit breaker (circuit breaker switches have blue LEDs lit on them) by accessing the back side of the rack; verify fans are off. |
17 | 1 | Sowjanya Gollapinni | c. Switch off top (CB1) circuit breaker; verify NetGear network switch inside rack is off. |
18 | 5 | Sowjanya Gollapinni | d. Switch off Slow controls using front panel switch on the slow controls panel (gently pull the Chassis on/off switch and press down). The +5V, +3.3V, and RPS Status LEDs should turn off. |
19 | 5 | Sowjanya Gollapinni | e. Switch off the RPS (use switch located on the back panel of the RPS unit). Go behind the racks and use a step stool to reach, if needed; verify the AC Output ON, POWER, SENSOR, and ALARM LEDs on the AC Switch Box are off. |
20 | 1 | Sowjanya Gollapinni | f. Only the AC Input Good LED on the AC Switch Box should be ON. |
21 | 2 | Sowjanya Gollapinni | |
22 | 2 | Sowjanya Gollapinni | *2. TPC-R1 power off:* |
23 | 5 | Sowjanya Gollapinni | a. Switch off Wiener PS using the red toggle switch on the front panel (gently push down the toggle switch for 3 seconds until the display turns off). |
24 | 2 | Sowjanya Gollapinni | b. Switch off the lowest (CB3) circuit breaker; verify fans are off. |
25 | 2 | Sowjanya Gollapinni | c. Switch off the middle (CB2) circuit breaker; verify NetGear network switch inside rack is off. |
26 | 5 | Sowjanya Gollapinni | d. Switch off Slow controls using front panel switch on the slow controls panel (gently pull the Chassis on/off switch and press down). The +5V, +3.3V, and RPS Status LEDs should turn off. |
27 | 5 | Sowjanya Gollapinni | e. Switch off the RPS (use switch located on the back panel of the RPS unit). Go behind the racks and use a step stool to reach, if needed; verify the AC Output ON, POWER, SENSOR, and ALARM LEDs on the AC Switch Box are off. |
28 | 2 | Sowjanya Gollapinni | f. Only the AC Input Good LED on the AC Switch Box should be ON. |
29 | 2 | Sowjanya Gollapinni | |
30 | 2 | Sowjanya Gollapinni | *3. LIZ Rack power off:* |
31 | 2 | Sowjanya Gollapinni | a. Switch off the two NIM bins using their front panel switches. |
32 | 2 | Sowjanya Gollapinni | b. Switch off the function generator (Strobe pulser) using its front panel on/off button. |
33 | 2 | Sowjanya Gollapinni | c. Switch off the fan switch on the fan front panel; verify the fan is off. |
34 | 2 | Sowjanya Gollapinni | d. Switch off the middle (CB2), top (CB1), and bottom (CB3) circuit breakers. |
35 | 5 | Sowjanya Gollapinni | e. Switch off Slow controls using front panel switch on the slow controls panel (gently pull the Chassis on/off switch and press down). The +5V, +3.3V, and RPS Status LEDs should turn off. |
36 | 5 | Sowjanya Gollapinni | f. Switch off the RPS (use switch located on the back panel of the RPS unit). Go behind the racks and use a step stool to reach, if needed; verify the AC Output ON, POWER, SENSOR, and ALARM LEDs on the AC Switch Box are off. |
37 | 2 | Sowjanya Gollapinni | g. Only the AC Input Good LED on the AC Switch Box should be ON. |
38 | 2 | Sowjanya Gollapinni | |
39 | 2 | Sowjanya Gollapinni | *4. PMT/TRIG Rack power off:* |
40 | 5 | Sowjanya Gollapinni | a. Switch off Wiener PS using the red toggle switch on the front panel (gently push down the toggle switch for 3 seconds until the display turns off). |
41 | 2 | Sowjanya Gollapinni | b. Switch off the NIM bin using its front panel switch. |
42 | 2 | Sowjanya Gollapinni | c. Check that the PMT HV (CB3) bottom circuit breaker is off. If not, stop and call a PMT HV expert. |
43 | 2 | Sowjanya Gollapinni | d. Switch off the middle (CB2) circuit breaker; verify the fan is off. |
44 | 2 | Sowjanya Gollapinni | e. Switch off the CB1 circuit breaker; verify NetGear network switch inside rack is off. |
45 | 5 | Sowjanya Gollapinni | f. Switch off Slow controls using front panel switch on the slow controls panel (gently pull the Chassis on/off switch and press down). The +5V, +3.3V, and RPS Status LEDs should turn off. |
46 | 5 | Sowjanya Gollapinni | g. Switch off the RPS (use switch located on the back panel of the RPS unit). Go behind the racks and use a step stool to reach, if needed; verify the AC Output ON, POWER, SENSOR, and ALARM LEDs on the AC Switch Box are off. |
47 | 2 | Sowjanya Gollapinni | h. Only the AC Input Good LED on the AC Switch Box should be ON. |
48 | 2 | Sowjanya Gollapinni | |
49 | 2 | Sowjanya Gollapinni | 5. Make an elog entry that the readout electronics racks have been successfully powered off. |
50 | 6 | Sowjanya Gollapinni | |
51 | 6 | Sowjanya Gollapinni | h2. DRIFT HV rack Power-Off/On procedure for Planned Power Outages: |
52 | 6 | Sowjanya Gollapinni | |
53 | 6 | Sowjanya Gollapinni | *First confirm from the On-call Drift HV expert and uB operator on shift that the DRIFT HV is ramped down as per procedure and is off. |
54 | 6 | Sowjanya Gollapinni | Do not proceed without this confirmation.* |
55 | 6 | Sowjanya Gollapinni | |
56 | 6 | Sowjanya Gollapinni | Step 1: After confirming the above, ensure that the Glassman is at 0 V. One can see this on the front panel. If the power happens to be off, the voltage is 0. |
57 | 6 | Sowjanya Gollapinni | |
58 | 6 | Sowjanya Gollapinni | At this point, if a power outage occurs, it is ok from a HV health standpoint. The remaining steps are additions for a more graceful shutdown of the entire HV rack. |
59 | 6 | Sowjanya Gollapinni | |
60 | 6 | Sowjanya Gollapinni | Turn off the Glassman by pushing the orange on/off button on the front of the supply. |
61 | 6 | Sowjanya Gollapinni | Turn off the slow controls box by pulling the on/off switch on the front left side of the box down. |
62 | 6 | Sowjanya Gollapinni | RPS can be turned off from the back of unit in the rack. |