Watlow Series SD PID Profiling Controller Manuale Utente Scaricare il pdf (Pagina 56)

Watlow Series SD • 54 • Chapter 10 Profiling

Example profile

Gwen, of Smith Manufacturing needs to perform a burn-in test of their product in an environmental chamber. The

test should take the product through the following sequence:

1. Heat from room temperature to a temperature of 150°F over a 1-hour period.

2. Hold the temperature at 150°F for 2 hours.

3. Cool the temperature to 32°F as quickly as possible.

4. Once the temperature reaches 32°F, hold that temperature for 2 hours.

5. Stop controlling the temperature and allow it to return to room temperature naturally.

Use the master step chart to map out the profile.

Circle File Number: 1 2 3 4 Master Step Chart

Step 1

___ Stpt (Ptyp=ti)

Tg.SP

150 Hour 1 Min. 0 Sec. 0

Ent1: On Off Ent2: On Off Ent3: On Off

___ Stpt (Ptyp=rate) Tg.SP Rate Ent1: On Off Ent2: On Off Ent3: On Off

___ Soak Hour Min. Sec. Ent1: On Off Ent2: On Off Ent3: On Off WF.P: Yes No W.Pr

___ JL JF JS JC

___ LFil LF

___ End End: Off Hold

Step 2

___ Stpt (Ptyp=ti) Tg.SP Hour Min Sec. Ent1: On Off. Ent2: On Off Ent3: On Off

___ Stpt (Ptyp=rate) Tg.SP Rate Ent1: On Off Ent2: On Off Ent3: On Off

___ Soak

Hour

2 Min. 0 Sec. 0

Ent1: On Off Ent2: On Off Ent3: On Off WF.P: Yes No W.Pr

___ JL JF JS JC

___ LFil LF

___ End End: Off Hold

Step 3

___ Stpt (Ptyp=ti)

Tg.SP 32 Hour 0 Min. 0 Sec. 0

Ent1: On Off Ent2: On Off Ent3: On Off

___ Stpt (Ptyp=rate) Tg.SP Rate Ent1: On Off Ent2: On Off Ent3: On Off

___ Soak Hour Min. Sec. Ent1: On Off Ent2: On Off Ent3: On Off WF.P: Yes No W.Pr

___ JL JF JS JC

___ LFil LF

___ End End: Off Hold

Step 4

___ Stpt (Ptyp=ti) Tg.SP Hour Min Sec Ent1: On Off. Ent2: On Off Ent3: On Off

___ Stpt (Ptyp=rate) Tg.SP Rate Ent1: On Off Ent2: On Off Ent3: On Off

___ Soak

Hour

2 Min. 0 Sec. 0

Ent1: On Off Ent2: On Off Ent3: On Off WF.P: Yes No

W.Pr 32

___ JL JF JS JC

___ LFil LF

___ End End: Off Hold

Step 5

___ Stpt (Ptyp=ti) Tg.SP Hour Min. Sec. Ent1: On Off Ent2: On Off Ent3: On Off

___ Stpt (Ptyp=rate) Tg.SP Rate Ent1: On Off Ent2: On Off Ent3: On Off

___ Soak Hour Min. Sec. Ent1: On Off Ent2: On Off Ent3: On Off WF.P: Yes No W.Pr

___ JL JF JS JC

___ LFil LF

___ End End: Off Hold

Step 1

[~~~1] [~~~1] [Stpt] [~150] [~~~1] [~~~0] [~~~0]

[File] [Step] [Styp] [Tg;SP] [hour] [Min] [~seC]

Step 2

[~~~1] [~~~2] [Soah] [~~~2] [~~~0] [~~~0] [~~no]

[File] [Step] [Styp] [hour] [Min] [~SeC] [WF;P]

Step 3

[~~~1] [~~~3] [Stpt] [~~32] [~~~0] [~~~0] [~~~0]

[File] [Step] [Styp] [Tg;SP] [hour] [min] [~SeC]

Step 4

[~~~1] [~~~4] [Soah] [~~~2] [~~~0] [~~~0] [~Yes] [~~32]

File] [Step] [Styp] [hour] [Min] [~SeC] [WF;p] [WPr]

Step 5

[~~~1] [~~~5] [~End] [~Off]

[File] [Step] [Styp] [~End]

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Watlow Series SD PID Profiling Controller Manuale Utente Pagina 56

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