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Orton Sentry 2.0 Operating Instructions Manual

Digital temperature controller
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Complete Ramp-Hold Operating Instructions
Digital Temperature Controller
Program (pg 8)
From IdLE, press 4.
Select stored program (1 - 4).
Enter rate, temperature, and
hold for each segment.
Edit a Program (pg 13)
During firing, press 4.
Change the current segment
temperature. Press Enter.
Change the hold. Press Enter.
The kiln will continue firing.
Alarm (pg 12)
From IdLE or during
firing, press 7.
Enter a temperature. When
alarm sounds during firing,
press Enter.
Enter/Start (pg 8)
Press Enter/Start after each
step in programming a firing.
Press Enter/Start once from
to begin firing.
Options (pg 14-18)
From IdLE, press 0. Press
Enter for option displayed.
Change the thermocouple
temperature. (Pg 14)
(Pg 15)
lect Type K, S or R. (Pg 15)
Select vent
fan or alarm. This is a special op-
tion not on all kilns. (Pg 16)
Shows the factory setting. (Pg 16)
Enter the
rate shown on your electric bill.
(Pg 16)
Enter your kiln's wattage. (Pg 16)
IM-218/12-06
Sentry
See pages 24 - 25 for instructions on upgrading your DTC
100, 600, 800 or 1000 series board to the Sentry.
identification number for output to
a computer. (Pg 17)
Set temperature sensitivity for
FTH, FTC & LTdE error codes.
(Pg 17)
Se-
Check for overheating. (Pg 18)
program tamper-proof. (Pg 18)
technicians. (Pg 18)
(Pg 18)
tics tool. (Pg 18)
Removes thermo-
couple offset and returns the
board to factory defaults. (Pg 18)
2.0
Select
Firing Cost (pg 12)
Press 8 after the kiln
fires to completion.
The cost of the last firing
will appear. (First enter
electrical cost in the
option and kiln
(Pg 17)
wattage in the
tion, pg 16.)
Make a
Multiple-Zone Options
(pg 14)
For
temperature difference be-
tween any two zones. (Pg 14)
Shows temperature of each
Diagnos-
zone. (Pg 14)
Delay (pg 11)
From IdLE, press 3.
Enter time in hours:minutes.
Delays the start of firing.
Add Time (pg 11)
During firing, press 2.
Each additional key press
adds five minutes to a hold.
Present Status (pg 12)
During firing, press 5.
Shows the segment number that
is currently firing and whether the
segment is in ramp or hold.
Program Review (pg 9)
From IdLE or during
firing, press 6.
Shows the program that is
loaded in memory and ready to
fire, or the one that is firing.
Skip Segment (pg 13)
During firing, press 9, then
Enter.
Skips to the next ramp.
Stop/Back (pg 7)
Press during firing or
programming.
Stops a firing.
In Options, takes you back
to
.
op-
During programming, takes
you back one step each
time key is pressed.
Largest
1

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Summary of Contents for Orton Sentry 2.0

  • Page 1 Complete Ramp-Hold Operating Instructions Sentry Digital Temperature Controller See pages 24 - 25 for instructions on upgrading your DTC 100, 600, 800 or 1000 series board to the Sentry. Program (pg 8) Delay (pg 11) From IdLE, press 4. From IdLE, press 3. Select stored program (1 - 4).
  • Page 2 Introduction Thank you for purchasing the Sentry micro processor, our most advanced generation of digi- tal temperature controllers. As you read the manual, have your controller in front of you so that you can try out the keys. The controller display messages are limited to four characters. For this reason, the messages appear cryptic: IdLE instead of “Ready to begin,”...

  • Page 3: Table Of Contents

    Contents Skip Segment ....13 Getting Started..5 Error Messages ..19 Editing the Current Segment Room Temperature FTC / Failed to Cool .
  • Page 4 Safety ruption as a power failure and turn the kiln back on when you reconnect the power. The warranty on your Sentry controller does not cover Place the kiln on the stand recommended by the damage from overfiring, regardless of the circumstances. manufacturer.

  • Page 5: Getting Started

    Chapter 1 When the Sentry sends a signal to the relays, all three lights appear. Getting Started The top light indicates power to the top section of the kiln, the middle light power to the middle section, and the bottom light power to the bot- tom section.

  • Page 6: Preventing An Overfire

    If you are using a portable, separate controller, you will can also have a hold. Shown in the chart in the left column need to install the thermocouple onto the kiln. See the sep- is a segment with a target temperature of 1250°, a rate of arate TnF 2 installation instructions.

  • Page 7: Programming Instructions

    Chapter 2 available—use only the number needed. Often one seg- ment is all you will need. Programming When you program a firing, you will be asked to enter a rate for each segment. Step 7, Programming Instructions, next page, shows you how to zero out the segments you Instructions don’t need.

  • Page 8: Hold

    Programming Steps Use these instructions for your first firings. Later you may prefer “Ramp-Hold Shorthand Instruc- tions,” back cover. As you follow these steps, you will see values (tem- peratures, rates, etc.) from the last firing. To use these again, press .

  • Page 9: Repeat Firings

    Repeat heat, then close it again. If you repeat the It is easy to pro- This takes the glass down Firings same firing pro- gram a con- r a p i d l y t h r o u g h t h e gram often, use trolled cooling.

  • Page 10: Temperature Overshoot

    Chapter 3 Temperature Overshoot When a kiln is heated too fast, it may overshoot the tar- Sample Firing get temperature, especially in small kilns at lower tempera- tures. To avoid this, add an extra segment to slow the firing. Programs The segment with the slower rate should begin approxi- mately 40°...

  • Page 11: Glass Slumping Firing Schedule

    Chapter 4 Stained glass, ", 2 layers, full fuse. The fusing tempera- ture will vary depending on the brand of glass, the batch, Other Features and even on the color. Vent the lid. Set the alarm to 500°F. When the alarm sounds, close the lid from venting position and insert peephole plugs.

  • Page 12: Present Status

    Present Status Monitoring the Alarm from a Distance Place an inexpensive baby monitor near the kiln. From Press during a firing to display the another location in your building, you will be able to hear segment that is firing. One of the follow- the temperature alarm beeping and the the relays clicking.

  • Page 13: Skip Segment

    Skip Segment Chapter 5 Skip Segment works only during fir- Multiple-Zone ing. It jumps the firing from the current segment to the next one. Kilns Note: Skip Segment does not skip from a ramp to a hold. It skips to the next segment. To skip a segment, press .

  • Page 14: Testing Multiple-Zone

    Chapter 6 middle section, and the bottom light power to the bot- tom section. (Two-zone kilns: Ignore the center light.) The Options Note: Though power output lights are on, mechanical problems can prevent the relays from turning on. When a zone temperature is too low, its indicator light will flash.

  • Page 15: Setting Thermocouple Offset

    brating controllers. Thus, it remains a reliable calibration adjusted (i.e. ) will appear. Select another standard. thermocouple by pressing or return to by pressing Note: The temperature at which you calibrated your digital pyrometer should be the same temperature you CHG- / Selecting °F or °C use to check the controller’s temperature readout.

  • Page 16: Aop / Auxiliary Outlet

    using the Reset (RST) option (page 18), use the TC (Degrees of temperature change per minute) option to select the correct thermocouple. Reset (Elapsed time needed to reach a temperature) changes the thermocouple selection to Type-S. Only the factory can change the type of rate used in your From , press repeatedly until...

  • Page 17: Id / Computer Id

    Note: On controllers that have pre-18D software, the switch box. The data plate lists the watts, amps, and volts. If TEdE setting also affects the HTdE High Temperature watts are not listed, multiply amps x volts. (Example: 15 Deviation alarm (page 20). On 18D and later control- amps x 240 volts = 3,600 watts.) lers, the HTdE setting is always 100°F / 56°C.

  • Page 18: Elec / Electronics Temperature

    TEST / Element Test tory. The controller will not fire hotter than that tempera- ture. Press . Press to return to Test the Heating Elements and Relays This test is useful when measuring the wall receptacle ELEC / Electronics voltage under load, and amperage with an ammeter. On a Temperature multiple-zone kiln, the test helps determine if the relays and thermocouples are wired to the correct zones.

  • Page 19: Error Messages

    Chapter 7 Note: On controllers with 18D and later software: Use Present Status to compare the actual rate of the Error current segment with the rate you programmed. (See page 12.) Messages LTdE / Low Temperature Deviation During a cooling-down ramp or a hold, the temperature Error messages are accompanied by an alarm.

  • Page 20: No Thermocouple

    Terminating Error Check for worn or burned out elements, defective re- lays, low voltage and defective thermocouple. Reprogram Messages a slower rate in heating-up and cooling-down segments. Note: To avoid messages, try firing the kiln at a slower rate. error messages turn off the kiln and flash the following: Note: During a firing, Present Status shows the ac- tual firing rate of the current segment instead of the...

  • Page 21: Tcl / Thermocouple Lag

    TCL / Thermocouple Lag Power Failures The heating rate is slower than 9°F / 5°C per hour and The Sentry handles a power failure in two ways: the kiln temperature is more than 100°F / 56°C away from After a brief power failure, the controller continues the programmed temperature.

  • Page 22: Appendix A: Display Messages

    Appendix A: Display Messages Message Definition Page Reference Message Definition Page Reference Abort Electronics Too Hot 20 The firing was stopped. The Sentry circuit board is too hot, so the kiln shut off. Alarm 8, 10, 11, 12 Thermocouple Failed 5, 20 ALAR appears either when you are entering an alarm tem- The thermocouple failed.
  • Page 23 Message Definition Page Reference Message Definition Page Reference Missing Pin Software Version When LId appears, a two-pin connector on the back of the This option shows the version of software loaded into your board is missing. Sentry. Program Lock Firing Started With this option activated, a stored program cannot be al- This appears when firing begins.

  • Page 24: Upgrading Instructions

    Appendix B: Upgrading Instructions Upgrading the DTC 100, 600, 800 & 1000 Series to the Sentry CAUTION: Cut off the extra terminal(s) and jumper Unplug the kiln or disconnect the power. Remove wire(s) unless they attach to the 4 screws holding the controller faceplate to the relays.

  • Page 26: Appendix C: User Program Records

    Appendix C: User Program Records Date_______________________________ Date_______________________________ User Program 3 User Program 1 Optional Optional Rate Fan On / Target Hold Time Fan On / Rate Target Hold Time °/Hour Temperature Hours.Mins °/Hour Temperature Hours.Mins rA10 Hd10 rA10 Hd10 rA11 Hd11 rA12 Hd12...
  • Page 27 Index AbRT, 5, 22 heat treating, 10, 12 rA 1, 7, 8 Add Time, 1, 11 hold, 6, 8, 11, 13 rate, 1, 7, 10, 12, 16, 17, 19, 20 ALAR, 22 HTdE, 20 relay, 24 alarm, 1, 6, 8, 9, 10, 11, 12, 16, 17 humidity, 5 Reset , 1 AOP, 1, 8, 10, 16, 18, 22...

  • Page 28: Appendix D: Quick Programming

    Appendix D: Sentry Ramp-Hold Shorthand Instructions After you press the keys in the left column, the message to the right will appear. KEYS TO PRESS DISPLAY COMMENTS PROGRAM AND FIRE THE KILN. Apply power to kiln Press Enter if IdLE does not appear. Enter program number.

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