Paragon Sentry Xpress 2.0 User Manual

1
START/STOP Key
1) Starts and stops a firing.
2) Press after each program
-
ming step.
Up Arrow Key
1) Increases values during
Programming.
2) Skip Segment: during
Ramp-Hold firing, skips to
the next segment. After
pressing Up Arrow, SStP
will appear. To skip, press
Up Arrow again.
Down Arrow Key
1) Decreases values dur
-
ing programming.
2) Review: from IdLE or
during firing, press Down
Arrow. The program will
appear one step at a time.
Top: Lights during
programming.
Middle: Lights during
program review.
Bottom: Blinks dur
-
ing firing.
Indicator
Lights
Sentry Xpress 2.0
Digital Temperature Controller
Temperature Display
Temperature is in °F when no
display dot appears.
Temperature is in °C when
lower right display dot ap
-
pears. See page 6 for instruc
-
tions on selecting °F and °C.
Time Display
During time display, a center
display dot separates hours
from minutes.
Single Segment & Ramp-Hold 4 Segment Instructions

Paragon Sentry Xpress 2.0 Specifications

General

Brand	Paragon
Model	Sentry Xpress 2.0
Category	Controller
Language	English

Summary

Controller Interface and Controls

Digital Displays

Describes the Temperature and Time displays on the controller.

Indicator Lights

Explains the meaning of the Top, Middle, and Bottom indicator lights.

Control Panel Keys

Details the function of the START/STOP, Up Arrow, and Down Arrow keys.

General Guidelines

Thermocouple Inspection

Examines the temperature sensor rod in the firing chamber for proper installation.

Getting the Controller to IdLE Mode

Explains how to reach the initial IdLE display state before firing.

Firing Modes Overview

Details Single Segment and Ramp-Hold firing methods.

Program Review Function

Describes how to check programmed firing parameters before starting.

Understanding Firing Segments

Defines a segment as target temperature and heating rate.

Hold Feature

Maintains a specific temperature for a set duration during firing.

Delay Feature

Allows scheduling a firing to start at a later time.

Power Failure Handling

Explains controller behavior and messages after a power interruption.

Repeating a Firing

Guides on how to re-execute a previously programmed firing.

Controlled Cooling

Instructions for programming slow cooling in Ramp-Hold mode.

Starting in a Hot Kiln

Procedure for starting a firing when the kiln is already hot.

Skipping Ramp-Hold Segments

Method to bypass specific segments during Ramp-Hold firing.

Safety Precautions

General Safety Rules

Covers unattended operation, protective gear, clearances, and ventilation.

Electrical Hazard Warning

Highlights the danger of high voltage and need for disconnection before servicing.

Single Segment Firing Instructions

Initiating Single Segment Firing

Steps to begin a single segment firing from the IdLE state.

Setting Firing Parameters

Entering rate, target temperature, and hold time for the firing.

Starting and Monitoring Firing

Initiating the firing, understanding run light, and stopping the process.

Ramp-Hold Firing Instructions

Initiating Ramp-Hold Firing

Steps to select the Ramp-Hold mode and begin programming.

Programming Segments

Entering rate, target temperature, and hold time for each segment.

Starting and Monitoring Ramp-Hold Firing

Initiating the firing, understanding run light, and stopping the process.

Error Messages

Bad Programming Error (BadP)

Kiln won't fire if segment 1 rate is 0000 in Ramp-Hold.

Electronics Overheat Error (EtH)

Firing stops if circuit board exceeds 185°F/85°C.

Thermocouple Failure Errors (FAIL, TCR, TCO)

Indicates issues with thermocouple or wiring, or reversed leads.

Fired Too Long Error (FtL)

Occurs if slow rise rate and firing exceeds programmed time.

Power Failure Errors (PF 1, PF 2)

Messages for power interruptions based on temperature drop.

Selecting °F or °C Display

Procedure to Change Temperature Units

Steps to modify the display from Fahrenheit to Celsius or vice versa.

Display Messages and Codes

Firing Status Messages

Messages like IdLE, -on-, CPLt, Abrt, StoP indicating firing state.

Programming and Control Messages

Codes like ProG, Ra, Spd, Hd, dELA for programming and control.

Temperature and Rate Indicators

Messages like °F/°C, FULL, Strt related to temperature and rate settings.

Skipping Segment Message (SStP)

Indicates a segment has been skipped during Ramp-Hold.

Shorthand Instructions

Single Segment Shorthand Guide

Quick reference for programming single segment firings.

Ramp-Hold Shorthand Guide

Quick reference for programming Ramp-Hold firings.