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Sentry Xpress 5.0 - User Manual

Sentry Xpress 5.0
36 pages
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IM-222/3-19
Quick Cone-Fire
programming . . .
page 10
Ramp-Hold
programming for
the power user . . .
page 13
Error messages . . .
pages 25 - 27
Confused about
display messages?
... pages28-29
Top: Light is on dur
-
ing programming.
Middle: Light is on dur
-
ing program review.
Bottom: Light turns on
only when the elements
are on during a firing.
Start/Stop Key
1) On/Off: Starts and stops a firing.
2) Enter Data: Press after each pro-
gramming step. It works like the Enter
key on a computer.
Up Arrow Key
1) Raise Numbers
2) Select a Firing Mode: From
[IDLE] press Start/Stop.PressUp
Arrow to select Cone-Fire or
Ramp-Hold.
3) Edit a Program While the Kiln
is Firing p16:
[SKIP ]Skip a segment
[HLDT] Change hold time
[CHGT] Change end temperature
4) All Other Options:
[DELA]Select how Delay works.17
[TC ]Select thermocouple type.
p18
[ALAR] Set temperature alarm. p18
[DIAG ] Check amps. p19
[F/C ]Select °F or °C display p19
[LIM ]Set max temperature. p19
[COST] Look up cost of a firing. 19
[EXIT ]Press Start/Stop to return
to IDLE.
[OPT2 ] Press Start/Stop to see
level 2 options.
[OFST ] Adj. cone temperature. p16
[TCOS] Adjust thermocouple. p20
[TEDE ] Change sensitivity of
the FTH, FTC and LTDE warning
alarms. p20
[HTDE] Change sensitivity of the
HTDE shut down alarm. p21
[LOCK] Lock programs. p21
[AOP1] For kilns with the optional
AOP switch box electrical outlet.p22
[ELEC ] Check circuit board tem
-
perature, useful in hot weather. p22
[EXIT ]Press Start/Stop to return
to IDLE.
[OPT3 ] Press Start/Stop to see
level 3 options.
[COOL] Select Slow Cooling so it
appears during Cone-Fire program
-
ming. p17
[RATE ] Select your preferred type
of rate. p22
[CENT] Enter cost of electricity. 23
[KW ]Enter kiln’s wattage. p23
[SFTY ] See kiln’s max tempera
-
ture. p24
[SOFT ] See software version. p24
[CFG ]Shows controller model.24
[RST ]Reset the controller to its
factory default settings. p24
Down Arrow Key
1) Lower Numbers
2) Repeat the Last Fir
-
ing: From
[IDLE] press
Down Arrow.Thepro-
gram you have selected
will appear one step at a
time. When
[STRT] ap-
pears, press Start/Stop.
Page 5
4) Review a Program:
During firing, press Down
Arrow. The program you
entered will appear one
step at a time. Page 5
Temperature Display
No Display Dot: Tempera
-
ture display is in °F.
Right-Hand Display Dot:
Temperature display is in °C.
Seepage19forinstructions
on selecting °F and °C.
Time Display
Center Display Dot:
Separates hours from min-
utes. Example: Display
shown above is 1 hour
and 30 minutes.
°C Display Dot
Sentry Xpress 5.0
Digital Temperature Controller
Cone-Fire and Ramp-Hold Instructions
Indicator
Lights
°F
°C
To stop a firing, press
Start/Stop key at any
time. ABRT will appear,
and the heating ele
-
ments will turn off. Press
Start/Stop again to re
-
turn to IDLE.

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Sentry Xpress 5.0 and is the answer not in the manual?

Sentry Xpress 5.0 Specifications

General IconGeneral
BrandSentry
ModelXpress 5.0
CategoryTemperature Controller
LanguageEnglish

Summary

Before You Begin

Delay

Schedule a firing for later.

Fan

Turn the fan on or off for Ramp-Hold segments.

Lock

Passcode-protect individual Ramp-Hold programs.

Slow Cooling

Enhance certain glazes in Cone-Fire mode.

Safety Rules

General Safety Precautions

Essential safety guidelines for kiln operation, maintenance, and environment.

Chapter 1 Basic Pointers

Time and Temperature Displays

Understanding how the controller displays time and temperature units.

Operation Begins from the IDLE Display

How to start a firing from the idle state and what prompts to expect.

Thermocouple Inspection

Checking the thermocouple sensor for proper installation and function.

How to Scroll Numbers Rapidly

Efficient methods for inputting numerical values into the controller.

Program Review & Repeat Firing

How to review active programs and repeat previous firings.

Delay

Setting a timer to start a firing at a later scheduled time.

The LID Message

Understanding messages related to the kiln lid or door safety switch.

Power Failures

How the controller handles power interruptions and potential resume behavior.

CPLT Message: Firing Completed

Information displayed upon successful completion of a firing.

Hot and Cold Weather; Storage Sheds

Guidelines for operating and storing the controller in various temperatures.

Thunder Storms and Power Surges

Precautions to take during thunderstorms and power surge events.

Canceling a New Program

How to cancel a program entry before it starts.

Chapter 2 Cone-Fire

Pyrometric Witness Cones

Using witness cones to accurately measure heat work in ceramic firings.

How to Position Cones on the Shelf (for Ceramic Kilns)

Guidelines for placing witness cones for optimal visibility during firing.

Firing Schedules

Overview of available firing schedules for Cone-Fire mode.

How to Interpret the Bending of a Pyrometric Cone

Understanding cone bending to determine firing results (correct, under, over).

How to Correct for Under- or Over-Fired Cones

Adjusting firing parameters to achieve desired cone bends.

Chapter 3 Ramp-Hold

Theory of Ramp-Hold Operation

Understanding how Ramp-Hold mode controls temperature via segments and rates.

How to Store Programs

Methods for saving and managing custom firing programs.

Chapter 4 Customize Your Controller with Options

TC; Choose Thermocouple Type

Selecting the correct thermocouple type for accurate temperature readings.

ALAR; Temperature Alarm

Setting up audible alarms for specific temperature thresholds.

DIAG (Diagnostics)

Using diagnostic tools to check kiln amperage, test relays, and AOP outlet.

LIM; Set a Maximum Temperature

Setting a kiln-wide maximum temperature limit to prevent overfiring.

TCOS; Thermocouple Offset

Calibrating the thermocouple for temperature drift compensation.

TEDE; Temperature Deviation

Adjusting the sensitivity for temperature deviation error codes.

LOCK; Program Lock

Activating program lock to prevent unauthorized changes to stored programs.

RST; Reset

Resetting the controller to factory default settings.

Chapter 5 Error Messages

Non-Interrupting Error Messages

Alerts that do not stop the firing process, indicating programming deviations.

Terminating Error Messages

Critical errors that halt firing and require immediate attention.

FTC;Failed to Cool

Error indicating the kiln did not cool as programmed.

FTH;Failed to Heat

Error indicating the kiln did not heat as programmed.

Power Failure Errors (PF1, PF2, PF3)

Messages indicating power interruptions and their impact on firing resumption.

Thermocouple Failure Errors (FAIL, TC2, TCR)

Errors related to thermocouple issues, including failure and reversed leads.

FE 1; Failed to Read;Write To Memory

Error related to memory access issues on the circuit board.

FTL; Firing Too Long

Error when the firing time exceeds programmed segment duration.

HTDE; High Temperature Deviation

Error for temperatures exceeding set points during heating or hold.

LID; Safety Switch for Lid or Door

Indicates the kiln lid or door safety switch is open or misadjusted.