Related Manuals for Stafford Instruments ST312B
Summary of Contents for Stafford Instruments ST312B
- Page 1 ST312B TAFFOR User Handbook ST312B Temperature Programmer See separate handbook for Installation Instructions Issue: 3.00 ST312B User Handbook Page 1 © Copyright 2009 - 2021 Stafford Instruments Ltd. Date: 05 Jan 2021...
-
Page 2: At A Glance
At A Glance DISPLAY MAIN DISPLAY INDICATORS FIRING LAMP CONTROL KEYS MIMIC DISPLAY SOAK TIME LAMP SOAK TEMPERATURE LAMP RAMP 2 LAMP DELAYED START LAMP RAMP 1 LAMP Page ST312B User Handbook... -
Page 3: Quick Start Guide
To exit the programming menu either wait 10 sec- onds or press the ◼ key to start firing If the keyboard is locked then press the & keys together & hold down for 5 seconds to unlock ST312B User Handbook Page 3... -
Page 4: Table Of Contents
• Program pause/un-pause + segment advance facilities • Keyboard lockable • Delayed start facility - up to 99 hours 59 mins • Power failure recovery • Energy used display • Alarm buzzer & alarm output • Page ST312B User Handbook... -
Page 5: Turning On
ST312B’s serial number. Next displayed is the thermocouple type to which the ST312B is set. This thermocouple type setting should match the type of thermocouple fitted to the kiln and can be R, S, K or N type. -
Page 6: Programming
This single segment can be used for simple firing (biscuit firing for exam- ple). The ST312B ramps the kiln temperature at ramp rate 1 until the kiln reaches temperature t1. It then ramps the kiln temperature to the soak temperature at ramp rate 2. It then soaks (dwells) at the soak temperature for the soak time. - Page 7 Altering the program When the ST312B is not firing there are no lamps lit on the mimic panel, the run lamp is off and the display shows the kiln temperature with the °C indicator lit. If the left-hand decimal point is on °C...
- Page 8 Note: to exit programming without cycling through all of the above steps wait 10 seconds without pressing any keys - the ST312B will revert to the idle display. Alternatively press the START/STOP key to exit programming and to begin firing immediately.
-
Page 9: Firing
ST312B will apply heating power to the kiln for 12 seconds every 30 seconds. The right-hand decimal point in the display will light for 12 seconds every 30 seconds. - Page 10 Program Record Sheet Ramp 1 Ramp 2 Soak Temp Soak Time °C/hr °C °C/hr °C hr.min Page ST312B User Handbook...
- Page 11 Program Description Page 11 ST312B User Handbook...
- Page 12 Operating Notes Kiln too slow If the ST312B is programmed to heat the kiln at a faster rate than the kiln is capable of then the ST312B will turn on full power then wait until the kiln temperature has risen to the correct temperature before proceeding to the next ramp or soak segment.
-
Page 13: Cooling
When the kiln has cooled to less than 40°C the display alternates every 5 seconds between the kiln temperature and To return the ST312B back to idle condition ready for the next firing press the START/STOP key (or turn off the power to the instrument). -
Page 14: Adjusting While Firing
Adjusting While Firing Firing values can be adjusted while the ST312B is firing. Also there are program pause/un-pause and segment advance features that are particular- ly useful for glass work. Adjusting Firing Values While firing operate the key to select the required parameter as shown by a flashing lamp on the mimic display. - Page 15 This will advance the segment and will immedi- ately terminate a paused soak and end the firing program. Changes made to the operation of the ST312B in this way are temporary and are not stored. As a warning during pause a double ...
-
Page 16: Error Messages
10°C / 20°C (installer selectable). hr.min Error 6. Maximum firing time exceeded. °C The length of the current firing has °C/hr exceeded an installer selectable (10 - 999 hours) limit. hr.min Page ST312B User Handbook... - Page 17 These error messages cause the ST312B to terminate the firing with all the keys locked. An alarm buzzer sounds once per second. SWITCH KILN OFF! To reset the ST312B turn off the power to the instrument and have the fault investigated by your installer or kiln service engineer to rectify the fault.
-
Page 18: Other Features
This is an anti-tamper feature used to ensure that the operation of the ST312B or the program data cannot be altered by un-authorised people. The ST312B can be locked when it is idle (not firing) or while it is firing. It cannot be locked while it is being programmed. -
Page 19: Sample Programs
Earthenware High Temperature Glaze is also suitable for Stoneware Low Temperature Glaze. Stoneware Glaze is also suitable for Porcelain. On Glaze Enamel is also suitable for some enamelling work. Heavy Sculpture is also suitable for Terracotta. ST312B User Handbook Page 19... - Page 20 Supplied by:- www.staffordinstruments.co.uk Page ST312B User Handbook...
Need help?
Do you have a question about the ST312B and is the answer not in the manual?
Questions and answers