Sentry Industries Sentry 2.0 - Manual (Page 3)

3
Contents
Basic Pointers . . . . . . . . . . 4
Which Instructions
Apply to Your Controller . . . . . . . . . . 4
Room Temperature and Humidity. . . 4
Thunder Storms and Power Surges . 4
Display Lights . . . . . . . . . . . . . . . . . . 5
How to Get IdLE to Display . . . . . . . . 5
Firing Completion Message . . . . . . . 5
Repeat Firings . . . . . . . . . . . . . . . . . . 5
Thermocouple Inspection . . . . . . . . . 5
The “LId” Display. . . . . . . . . . . . . . . . 5
The Keys . . . . . . . . . . . . . . . 6
Correcting Entries . . . . . . . . . . . . . . . 6
1 / Cone Fire . . . . . . . . . . . . . . . . . . . 6
2 / Add Time . . . . . . . . . . . . . . . . . . . 6
3 / Delay. . . . . . . . . . . . . . . . . . . . . . . 6
4 / Ramp Hold . . . . . . . . . . . . . . . . . . 6
5 / Present Status . . . . . . . . . . . . . . . 6
6 / Program Review . . . . . . . . . . . . . . 6
7 / Alarm. . . . . . . . . . . . . . . . . . . . . . . 6
9 / Cone Numbers & Skip Segment . 7
Enter/Start . . . . . . . . . . . . . . . . . . . . . 7
The Options Key . . . . . . . . . . . . . . . . 7
The Stop/Back Key . . . . . . . . . . . . . . 7
Cone-Fire . . . . . . . . . . . . . . 8
Standard Schedules
Low Fire Cones 022 - 011. . . . . . . . 9
Middle Fire Cones 010 - 01 . . . . . . 9
High Fire Cones 1 - 10 . . . . . . . . . . 9
Speed (SPd) . . . . . . . . . . . . . . . . . . . 9
Pre-Heat (PRHT) . . . . . . . . . . . . . . . . 9
Hold (HOLd) . . . . . . . . . . . . . . . . . . 10
Cone-Fire Programming . . . . . . . . . 10
Slow Cooling (COOL) . . . . . . . . . . . 11
When the Kiln Shuts Off Too Soon . 11
For Kilns with AOP Outlet . . . . . . . . 11
Ramp-Hold . . . . . . . . . . . . 12
Definition of a Segment . . . . . . . . . . 12
Ramp-Hold Programming . . . . . . . . 13
User Programs (USER) . . . . . . . . . . 13
Firing a Stored User Program . . . . . 14
Rate . . . . . . . . . . . . . . . . . . . . . . . . . 14
Hold (HOLd) . . . . . . . . . . . . . . . . . . 14
AOP Fan. . . . . . . . . . . . . . . . . . . . . . 14
Segments for Controlled Cooling . . 14
Sample Firing Schedules . . . . . . . . 14
Cone-Fire Program Fired in
Ramp-Hold . . . . . . . . . . . . . . . . . . 14
Sculptured Stoneware Bisque
Firing Schedule, Cone 04. . . . . . . 14
Glass Fusing Firing Schedule . . . 15
Glass Slumping Firing Schedule . 15
Starting a Firing in a Hot Kiln. . . . . . 15
When the Kiln Shuts Off Too Soon . 15
Multiple Zone Kilns . . . . . 16
An Overview of Multiple
Zone Firing. . . . . . . . . . . . . . . . . . . . 16
Viewing Zone Temperatures . . . . . . 16
Two Zone Kilns: Adjust Heat in
Center Section (CAdJ). . . . . . . . . . . 16
Thermocouple Failure
In a Multiple Zone Kiln . . . . . . . . . . . 16
Power Output Lights . . . . . . . . . . . . 16
Testing Multiple Zone Elements . . . 16
Options: Cone-Fire. . . . . . 17
Cone-Fire Speed (Spd) . . . . . . . . . . 17
Cone Offset (OFST). . . . . . . . . . . . . 17
Interpreting Cone Bending. . . . . . 18
When Cone Temperature
Is Off More Than 20°F/11°C . . . . . 18
Fan (FAN) . . . . . . . . . . . . . . . . . . . . 18
Options: General . . . . . . . 18
Thermocouple Offset (TCOS) . . . . . 18
Thermocouple Offset for
Ceramic Firings. . . . . . . . . . . . . . . 18
Calibrating Thermocouple Offset
With a Digital Pyrometer. . . . . . . . 19
Setting Thermocouple Offset . . . . 19
Multiple Zone
Thermocouple Offset . . . . . . . . . . 19
Selecting °F or °C (CHG-) . . . . . . . . 19
°F/°C Temperature
Conversion Formula . . . . . . . . . . . 19
Thermocouple Type (TC) . . . . . . . . 19
AOP Outlet (AOP) . . . . . . . . . . . . . . 20
Computer ID (ID) . . . . . . . . . . . . . . . 20
Temperature Deviation (TEDE) . . . . 20
Maximum Temperature (SFTY) . . . . 20
Electronics Temperture (ELEC). . . . 20
Program Lock (LOCK) . . . . . . . . . . . 20
Configuration Code (CFG) . . . . . . . 21
Software Version (SOFT). . . . . . . . . 21
Element Test (TEST) . . . . . . . . . . . . 21
Reset (RST) . . . . . . . . . . . . . . . . . . . 21
Options: Multiple Zone . . 21
Zone Temperature
Difference (DIFF) . . . . . . . . . . . . . . . 21
Two Zone Kilns: Adjust Heat in
Center Section (CAdJ). . . . . . . . . . . 21
Zone Temperatures (T123) . . . . . . . 21
Error Messages . . . . . . . . 22
FTC / Failed to Cool. . . . . . . . . . . . . 22
FTH / Failed to Heat. . . . . . . . . . . . . 22
LTdE / Low Temperature
Deviation . . . . . . . . . . . . . . . . . . . . . 22
PF / Power Failure . . . . . . . . . . . . . . 22
BAdP / Bad Programming . . . . . . . . 22
ETH / Electronics Too Hot. . . . . . . . 22
FAIL / Thermocouple Failure . . . . . . 22
FTL / Firing Too Long . . . . . . . . . . . 22
HTdE / High Temperature
Deviation . . . . . . . . . . . . . . . . . . . . . 22
PF 2 / Power Failure . . . . . . . . . . . . 22
PF 3 / Power Failure . . . . . . . . . . . . 22
How the Sentry
Handles Power Failures. . . . . . . . . . 23
Using Ceramic Witness Cones
After an Extended Power Failure . 23
PLOG Error Codes. . . . . . . . . . . . . . 23
TCdE / Uneven Multiple
Zone Temperatures . . . . . . . . . . . . . 23
TCR / Thermocouple
Leads Reversed. . . . . . . . . . . . . . . . 23
Appendix A
Display Messages . . . . . . . . . . . . . . 24
Appendix B
Standard Cone-Fire Schedules. . . . 26
Appendix C
Upgrading the DTC 100, 600, 800 &
1000 to the Sentry . . . . . . . . . . . . . . 28
Appendix D
Orton Pyrometric Cone
Temperature Equivalents . . . . . . . . 30
Appendix E
Ramp-Hold Shorthand . . . . . . . . . . 31
Appendix F
Cone-Fire Shorthand . . . . . . . . . . . . 32