RTC H-1209X User manual

Owners Manual
Controlled Atmosphere Infrared Oven
August 28, 2006
May 26, 2009May 26, 2009
Radiant Technology Corporation.
1335 S. Acacia Avenue, CA 92831-5315, SA
Ema l: serv ce@rad anttech.com
Webs te: www.rad anttech.com

i
Owner’s Manual
MODEL: H-1209X
SERIAL N MBER: 2115150301
FACTORY ORDER N MBER: 40334
RADIANT TECHNOLOGY CORPORATION
1335 South Acacia Avenue
Fullerton, CA. 92831-5315
[phone] TEL
[phone] FAX
http://www.radianttech.com
Near-Infrared
Heating Technology

TABLE of CONTENTS
ii
1. INTROD CTION ................................................................................................................................ 6
1.1. Manual Contents Organization.................................................................................................... 6
1.2. Installation Requirements ............................................................................................................ 6
1.2.1. npacking ...................................................................................................................... 6
1.2.2. Machine Placement ........................................................................................................ 1
1.2.3. Machine Inspection ........................................................................................................ 7
1.2.4. Providing Power ............................................................................................................ 7
1.2.5. Providing Gas and Air ................................................................................................... 7
1.2.6. Process Exhaust Requirements ...................................................................................... 2
1.2.7. Installation of the Transport Belt ................................................................................... 2
1.2.8. Removal of Shipping Restraint Screws ......................................................................... 3
1.2.9. Radiant Technology Customer Service Startup (Optional) ........................................... 3
2. GENERAL SAFETY G IDELINES ................................................................................................. 10
2.1. Electric Shock Hazard ............................................................................................................... 10
2.2. Hazardous Materials .................................................................................................................. 10
2.3. Normal Good Laboratory Practice ............................................................................................ 10
3. OPERATING INSTR CTIONS........................................................................................................ 11
3.1. Power Controls and Indicators .................................................................................................. 11
3.1.1. Power Status Indicators ............................................................................................... 11
3.1.2. Controls........................................................................................................................ 11
3.2. Basic Operation ......................................................................................................................... 12
3.2.1. Main Power .................................................................................................................. 12
3.2.2. ninterruptible Power Supply ( PS) “ON” Switch (Option) ..................................... 12
3.2.3. Power On/Startup ......................................................................................................... 12
3.2.4. Fans .............................................................................................................................. 12
3.2.5. Furnace Log-on and Initial Operation .......................................................................... 12
3.2.6. Security and ser Information ..................................................................................... 13
3.2.7. Screen Menu (Located at bottom of screen) .................................................................. 8
3.2.8. Atmosphere Supply Gas ................................................................................................ 9
3.2.9. Furnace Startup (Process Screen) .................................................................................. 9
3.2.10. Transport Speed ........................................................................................................... 17
3.2.11. Power Off ..................................................................................................................... 12
3.2.12. Replace Covers ............................................................................................................ 12
3.2.13. Shutdown Sequence ..................................................................................................... 12
3.2.14. Auto Shutdown Sequence. ........................................................................................... 12
3.2.15. Gas Shut Off ................................................................................................................ 13
3.3. Software Operation ................................................................................................................... 13
3.3.1. Recipe Setup Screen (Off Line Edit) ........................................................................... 13
3.4. Process Monitor Screen ............................................................................................................. 14
3.4.1. Power Saving Feature (Option) ................................................................................... 14

TABLE of CONTENTS
iii
3.5. Recipe Setup .............................................................................................................................. 14
3.5.1. Setpoint Modification (Levels 2 and 3) ....................................................................... 14
3.5.2. Power Distribution (Levels 2 and 3) ............................................................................ 14
3.5.3. PID Zone Tuning (Levels 2 and 3) .............................................................................. 15
3.5.4. Transport Speed (Levels 2 and 3) ................................................................................ 16
3.6. Gas Flow Screen ........................................................................................................................ 16
3.6.1. Gas Flow Settings ........................................................................................................ 16
3.6.2. Fan Speed Settings (Levels 1, 2, and 3) ....................................................................... 16
3.7. Alarm Status (All Levels) ......................................................................................................... 16
3.8. Data Log/Alarms and Alerts ...................................................................................................... 16
3.8.1. Occurrence and Timed Logging Control (Levels 1, 2, and 3) ..................................... 16
4. SERVICE INSTR CTIONS ............................................................................................................. 18
4.1. Routine Maintenance................................................................................................................. 18
4.1.1. Daily Maintenance ....................................................................................................... 18
4.1.2. Monthly Maintenance .................................................................................................. 18
4.1.3. Other Scheduled Maintenance ..................................................................................... 19
4.2. Troubleshooting ........................................................................................................................ 24
4.2.1. nable to log on, the OPTO22 control system does not have any power ................... 24
4.2.2. Temperature ................................................................................................................. 24
4.2.3. Conveyor System ......................................................................................................... 25
4.3. Hardware, Software Troubleshooting ....................................................................................... 26
4.3.1. Controller Communication .......................................................................................... 26
4.3.2. Process Problems ......................................................................................................... 27
4.3.3. Abnormal sensor behavior ........................................................................................... 27
4.3.4. Remote control setup ................................................................................................... 28
4.3.5. Calibration ................................................................................................................... 28
4.4. General Repair ........................................................................................................................... 29
4.4.1. Lamp Change Procedure .............................................................................................. 29
4.4.2. Transport Belt Replacement ........................................................................................ 32
4.5. Element Test Procedure ............................................................................................................ 33
4.5.1. Required Equipment .................................................................................................... 33
4.5.2. Test Procedure ............................................................................................................. 33
5. THEORY OF OPERATION - PROCESSING .................................................................................. 35
5.1. Energy Source ........................................................................................................................... 35
5.2. Characteristics of Infrared Radiation ........................................................................................ 35
5.3. Atmosphere Purity and Control ................................................................................................. 35
5.4. Thick Film Processing ............................................................................................................... 35
5.4.1. Profile .......................................................................................................................... 36
5.5. Solder Fusion, Die Attach, and Sealing Processing .................................................................. 36
5.5.1. Profiling for Solder Fusion, Die Attach, and Sealing .................................................. 36

TABLE of CONTENTS
iv
6. PROD CT SPECIFICATION ........................................................................................................... 38
7. OPTIONS ........................................................................................................................................... 39
7.1. Temperature Profile - Profile Menu (Option) ........................................................................... 39
7.2. Element Monitor (Option) ......................................................................................................... 39
7.3. Moisture and Oxygen Analyzer System (Option) ..................................................................... 41
7.3.1. Introduction .................................................................................................................. 41
7.3.2. Description ................................................................................................................... 41
7.3.3. Operation ..................................................................................................................... 42
7.4. Hydrogen Operation (Option) ................................................................................................... 43
7.4.1. Introduction .................................................................................................................. 43
7.4.2. Description ................................................................................................................... 44
7.4.3. Installation Requirements ............................................................................................ 46
7.4.4. Operating Instructions, OPTO22 Control System ....................................................... 46
7.4.5. Hydrogen Flowmeters .................................................................................................. 47
7.4.6. Functional Checkout (With Helium) ........................................................................... 47
7.5. Modem/PcAnywhere (Option) .................................................................................................. 50
7.5.1. Windows 95 Format .................................................................................................... 50
7.6. Product Viewing Area (Option) ................................................................................................ 51
7.7. Exhaust Stack Heater (Option) .................................................................................................. 51
7.8. Voltage Control (Option) .......................................................................................................... 51
7.9. Product Sensor and On-Screen Tracking (Option) .................................................................... 52
APPENDIX A: DOC MENTATION .................................................................................................... 56
Configurator ....................................................................................................................................... 56
Channel Assignment Sheet ................................................................................................................ 56
Drawings and Bills of Material .......................................................................................................... 56
APPENDIX B: CONTROLLER INSTALLATION ............................................................................... 57
APPENDIX C: ENGINEERING SPECIFICATIONS ........................................................................... 58
00025 Procedure for Jumpering Analog, I/O and Expansion Cards for OPTO 22 ........................... 59
00028 SCR Power Control PCB Calibration, OPTO 22 Control System ......................................... 62
00034 Calibration Procedure for Motor Speed Controller Board and Conveyor Belt (OPTO 22) ... 63
00036 Setup for OPTO 22 Controller G4LC32 (WIN 95

 Software) ............................................. 66
APPENDIX D: MATERIAL SAFETY DATA SHEETS ...................................................................... 74
MSDS ................................................................................................................................................. 74

TABLE of CONTENTS
v
FIG RES
Figure 3.1.2.1 Control Panel ................................................................................................................... 11
Figure 3.2.6.1 Security Window, Log-on ............................................................................................... 13
Figure 3.2.8.1 Gas Flow Window ........................................................................................................... 14
Figure 3.2.9.1 Process Control Window ................................................................................................. 11
Figure 3.3.1.1 Recipe Window ............................................................................................................... 13
Figure 3.8.1.1 Event Logging ................................................................................................................. 17
Figure 4.1.3.1 Scheduled Maintenance Window .................................................................................... 19
Figure 4.1.3.2 ser Selectable Maintenance Description ....................................................................... 20
Figure 4.1.3.3 Maintenance Frequency Dialog Box ............................................................................... 20
Figure 4.4.1.1 Lamp Schematic showing Kaowool Packing .................................................................. 30
Figure 4.4.2.1 Belt Orientation ............................................................................................................... 32
Figure 4.4.2.2 Belt Installation ............................................................................................................... 33
Figure 4.4.2.3 Inserting Belt Splice ........................................................................................................ 33
Figure 5.5.1.1 Element Monitor PLC Control ........................................................................................ 39
Figure 5.5.1.2 Element Monitor System Diagram .................................................................................. 40
Figure 5.5.1.3 Element Monitor Status Window .................................................................................... 41
Figure 7.3.3.1 O
2
Analyzer Sampling Window ...................................................................................... 43
Figure 7.4.2.1 H2 / Forming Gas Sequential Operation ......................................................................... 44
Figure 7.5.1.1 Process Screen showing Lane Button(s), View Button and Recipe Button .................... 53
Figure 7.5.1.2 Recipe Screen showing Product Length Box .................................................................. 54
Figure 7.5.1.3 Send Value Window ........................................................................................................ 54
Figure 7.5.1.4 Product Tracking Window showing the Clear Product Counts Button ........................... 55
Figure 7.6. Product Viewing Window………………………………………………………………….51
Figure 7.7.Exhaust Stack Heater……………………………………………………………………….51

TABLE of CONTENTS
ii
Sect on 1
INTRODUCTION and INSTALLATION REQUIREMENTS
1. INTRODUCTION
1.1. Manual Contents Organization
This manual is intended for users of the Radiant Technology infrared furnace system. The
manual will help in understanding the machine's capabilities, uses, routine maintenance, and
basic design features. The introductory section sets forth requirements for proper installation
and initial startup.
Section 3 will be of specific interest to personnel who will set up and operate the furnace
system. The service manual, beginning with Section 4, contains detailed information,
including adjustments, alignments, maintenance, and troubleshooting. Section 5 contains a
theory of operation. The Product Specification, which introduced and laid the groundwork
for the machine, is included in Section 6. Technical information applicable to your machine
is covered in this section. Section 7 contains special operating instructions for options and
custom features not found on standard production machines.
Each model and furnace contains many unique parts and assemblies that are not common
to all. In addition to the unique parts, many custom features and options are routinely
ordered and shipped with these furnaces. In order to control and record these variations, a
top assembly bill of material, or “customer configurator”, has been included in Section
Appendix A of this manual. This document, controlled by a serial number, is the index to all
the documentation, which built a particular furnace.
1.2. Installation Requirements
1.2.1. Unpacking
Remove the banding from the shipping container and carefully disassemble. The
shipping container should contain the shipping manifest listing the model of your
furnace system and all options, accessories, and special configurations, which were
ordered according to the original purchase order or specification. If any item listed
is unaccounted for, immediately notify the carrier and the Radiant Technology
Customer Service Department.
1.2.2. Machine lacement
Locate the machine on an unyielding floor in the final installation position. Lift the

7
machine at the approximate locations shown on the installation drawing (see
Documentation Section), and slide the shipment skid out from under the machine.
Do not attempt to lift the machine at one point or at points other than
recommended; failure to follow these instructions invites frame damage and will
void the warranty.
NOTE: The lifting device must extend under the machine and support both
sides of the frame structure.
Remove the base covers and adjust the leveling screws to level the frame within .06
inch overall. Each of the leveling screws should support an equal amount of
weight.
1.2.3. Machine Inspection
Remove the upper and lower side covers from both sides of the machine. Inspect
all lamp connections for soundness and for loose hardware that may have become
dislodged during shipment. Inspect the lower electrical compartment for shipping
damage, loose connections, or components. Finally, inspect the furnace interior,
checking for broken lamps, foreign objects, or any components that may have come
loose during shipment. Report any shipping damage immediately to the Radiant
Technology Customer Service Department.
1.2.4. roviding ower
These machines are built and tested to the voltage specified on the nameplate
located adjacent to the power entrance hole in the lower electrical compartment.
Electrical power, matching the specifications on the nameplate, is to be connected
to the contactor or circuit breaker located directly above the entrance hole. A
ground terminal is provided for a safety ground. (5-wire system is optional.) All
city and local codes should be followed when wiring this system for power.
1.2.5. roviding Gas and Air
Oil-free dry shop air, at a maximum recommended dew point of 59°F, is to be
brought to the machine through a customer supplied line with a minimum inside
diameter of 3/4 inch. In addition to the supply line, a pressure gauge and regulator
is required if the supply pressure fluctuates or goes above 70 psi. Connections for
gas require the same line size and a regulator to control the pressure to 70 psi
maximum. The supply temperature of both gas and air should be above the dew
point of the room air to prevent condensation from forming on the feed lines and
dripping into the furnace.
WARNING: The flowmeters on these furnaces are rated at 70 psi maximum;
operating beyond 70 psi exposes the operator to possible injury.

8
1.2.6. rocess Exhaust Requirements
In most applications, process exhaust and heat should be vented to the outside
atmosphere. It is the customer's responsibility to review the process, local laws,
and facility in deciding on an exhaust system. Insulated exhaust tubing and a
collector hood with a 4 inch inside diameter, or larger, is routinely used. Do not
make any direct connections to the chamber exhaust stacks. A minimum 8.0”
clearance between the exhaust stacks and venting device is required
1.2.7. Installation of the Transport Belt
A portion of the transport belt which goes through the furnace chamber was
intentionally left uninstalled to protect the furnace interior during shipment. When
installing the belt, it will be helpful to have an assistant available to help guide the
belt into the furnace entrance.
1.2.7.1.The portion of the belt which goes through the furnace is rolled up and
secured at the entrance end of the furnace. nroll the belt and attach it
securely to the pull wire that was left in the furnace chamber.
1.2.7.2.Pull the belt through the chamber from the exit end of the furnace, while
an assistant guides the belt into the entrance.
1.2.7.3.Once the belt has been pulled completely through the chamber, remove
and discard the pull wire. Splice as shown in Figure below.
1.2.8. Removal of Shipping Restraint Screws
Large furnaces operating at high temperatures experience considerable growth from
thermal expansion. All models are equipped with support slides which allow stress
free expansion to take place. To secure the process chamber during shipment,
restraining brackets (painted red) attach directly between the chamber and frame.

9
The screws which secure these brackets to the frame must be removed before
bringing the furnace up to operating temperature.
WARNING: Failure to remove slide restraint screws invites structural
damage and will void the warranty.
1.2.9. Radiant Technology Customer Service Startup (Optional)
It is the customer's responsibility to accomplish the tasks described in 1.2.1 through
1.2.8, prior to scheduling a visit by a Radiant Technology Customer Service
technician. When the Customer Service technician visits the user's plant, the
technician will require the full-time help of at least one customer representative
who will be responsible for the operation and maintenance of the furnace system.
Tasks to be performed by the Customer Service technician include:
1.2.9.1. Prepare the machine for operation.
1.2.9.2. Apply power and bring up the machine to a fully operational state.
1.2.9.3. Run through the installation test procedure.
1.2.9.4. Report to the customer any deficiencies noted in the installation of the
machine.
1.2.9.5. Instruct the appropriate personnel in the customer's plant how to set up and run
the furnace system.
1.2.9.6. Teach the appropriate personnel in the customer's plant how to do the
necessary preventive maintenance.
1.2.9.7. Turn over the machine and documentation to the customer.
1.2.9.8. Specification Limitation.
1.2.9.9. The specifications, as noted in this manual, are for standard production
machines only. These specifications may not apply if the machine was ordered
with custom features or non-standard options.

10
Sect on 2
SAFETY
2. GENERAL SAFETY GUIDELINES
The following set of guidelines is intended to create awareness of potential health and safety
hazards. Refer to the Infrared Furnace System Safety Features Addendum and
Appendix D for more information.
2.1. Electric Shock Hazard
RTC furnaces operate at high voltages. Operation with side covers off constitutes a safety
hazard. Ensure that main power is off while side covers are removed.
2.2. Hazardous Materials
Persons performing maintenance tasks such as replacement of lamps may become exposed
to silica fiber compounds. Such tasks should be performed by qualified personel wearing
gloves, eye protection and a facemask to prevent inhalation of particulates.
2.3. Normal Good Laboratory ractice
Normal good laboratory practices apply to the operation of RTC furnaces. Do not use the
space above the furnace as storage. Do not block the cabinet doors preventing the cooling of
the electronic equipment inside. Do not operate with side covers off as this will prevent
normal cooling of the electronic equipment thus voiding the warranty. Tuck electrical cords
out of the way. Do not store flammables in the vicinity of the furnace and especially while
operating the furnace with an oxygen atmosphere.

11
Sect on 3
EQUIPMENT OPERATION
3. O ERATING INSTRUCTIONS
3.1. ower Controls and Indicators
3.1.1. ower Status Indicators
3.1.1.1.MAIN (Red Indicator)
This lamp burns continuously whenever power is available to the furnace
and the main circuit breaker (optional) is turned on.
3.1.1.2.ON (Green Indicator)
This lamp burns continuously when the control circuits are energized,
and indicates that power is available to actuate the control circuits.
3.1.2. Controls
FAN CONTROL POWER CONTROLS and INDICATORS
Figure 3.1.2.1 Control Panel

12
3.1.2.1. OWER ON
Pressing this switch causes the furnace to go through its power up
sequence, providing the MAIN lamp is lit and the EPOs (Emergency
Power Off switches) and interlocks located in the doors are released.
The ON indicator, described in 2.1.1.2, will illuminate.
3.1.2.2. OWER OFF
Before pressing POWER OFF, the furnace must be in cooldown mode.
Pressing this switch causes the furnace to begin a timed power shutdown
sequence. The heaters are shut down immediately, and after a cooldown
(to 100
o
C) period, the fans, transport belt, and other functions are shut
down.
3.2. Basic Operation
3.2.1. Main ower
The MAIN indicator must be lit before pressing the POWER ON button.
3.2.2. Uninterruptible ower Supply (U S) “ON” Switch (Option)
The PS power “ON” switch is located on the center front panel of the PS.
3.2.3. ower On/Startup
Press the POWER ON button. The ON indicator illuminates. Press the monitor
power button. The computer boots up and the logo screen is displayed.
CAUTION: Dangerous voltages are now present throughout the electrical
systems of the furnace. Make sure that any probes in the furnace are placed
on the belt surface only. robes extending over the sides of the belt may
contact high voltage terminals!
3.2.4. Fans
Check that the control enclosure fans, the cabinet cooling exhaust fans, and the
turbulent product cooling fans are turning. If the exhaust for the furnace is located
on the bottom of the machine, it is important to have the bottom fan at greater than
or equal to the power of the top fan. If this is not done the cooling system will not
work properly.
3.2.5. Furnace Log-on and Initial Operation
Select “Security” icon to initiate access to “Security and ser Information” screen.

13
3.2.6. Security and User Information
This window allows the operator to select access level, log-on or log-off, add or
delete users, and modify password and access codes.
NOTE: Before turning off system, you must “Log-Off” through Security
screen.
3.2.6.1.Access Level
Select Access Level by clicking on the ser List, then log-on with the
appropriate password.
The system is shipped with three (3) access levels, each with its own
password.
Figure 3.2.6.1 Security Window, Log-on
Access Level 1 password: 1. This is the Operator level, and allows the
operator to load and run a recipe and initiate
a process. (Initial password is set to “1”.)

14
Access Level 2 password: 2. This is the Tech/Engr level. It allows the
Technician or Engineer to do all of the
above, as well as changing parameters such
as temperature setpoints, power distribution,
and belt speed. (Initial password is set to
“2”.)
Access Level 3 is restricted to RTC personnel only.
3.2.7. Screen Menu (Located at bottom of screen)
Allows operator to select the desired screen by moving the cursor and clicking on
the chosen screen.
3.2.8. Atmosphere Supply Gas
If the furnace has flowmeters, turn on the atmosphere supply gas and adjust the
inlet regulator to 70 psi.
Figure 3.2.8.1 Gas Flow Window

15
3.2.8.1. Default Settings
Verify flowmeter settings are per recipe requirements. See Section 2.6.
NOTE: If operating on hydrogen, understand the appropriate
features before attempting operation.
3.2.8.2.Optional Mass Flow Controller(S)
Flowmeters labeled as MFC provide control to mass flow controllers.
se the vertical Slide switch or numeric dialog box on the appropriated
Mass Flow Controller to set the desired flow rate.

16
3.2.9. Furnace Startup ( rocess Screen)
Figure 3.2.9.1 Process Control Window
3.2.9.1.Check for no active alarms or alerts.
If appropriate, move cursor to and click on “Acknowledge Events” to
clear or silence an alarm/alert in order to proceed with furnace operation.
If alarm/alert does not clear, see Troubleshooting Section 3.2.
3.2.9.2.Verify correct recipe is loaded.
If not, click on RECIPE icon for “Recipe” screen.
3.2.9.3.In rocess field, select “Warm Up” to initiate the process selected.
In the “Warm p” mode, the heating elements will come on. After 10
minutes, check the system for instability or cycling, and correct if
necessary. See Service Information Section.

17
While the machine is heating, check for alarms and listen for the alarm
buzzer. In particular, check for any exhaust fan failure alarms. Element
failure alarms (if element monitor option is selected) usually occur in the
"warmup" mode. The effect of an element failure is generally minimal
unless two failed elements are adjacent to each other.
NOTE: Allow the system to stabilize and to enter the "ready" mode
before processing any product.
3.2.9.4.The “Exit” field will terminate and take you out of furnace
operation mode when a safe preset temperature is reached.
You must be in “Process Off” condition to exit (indicated by a red light).
3.2.10. Transport Speed
Move the cursor to the Belt Speed field. Enter the desired transport speed. Vary
the conveyor speed from minimum to maximum, checking for smooth operation at
all speeds. To check for belt speed accuracy, set the speed at its midrange setting.
Place a coin or metal ruler on the moving belt and time through two fixed points
while the furnace is in the off or cooldown mode.
3.2.11. ower Off
Before pressing POWER OFF, the furnace must be in cooldown mode.
Press the POWER OFF button. nder normal conditions, the furnace will turn off
when all zones cool below 100
o
C.
If POWER OFF is pressed while the furnace is in the warmup or ready mode, the
furnace will remain in normal operation until the cooldown mode is selected.
3.2.12. Replace Covers
Install any covers that were removed during the functional checkout.
NOTE: All functions must operate properly before proceeding. Refer to the
Service Information Section and correct any malfunctions before proceeding.
3.2.13. Shutdown Sequence
The furnace should be shut down when more than an hour will elapse between
production runs. A shutdown conserves energy and prolongs the life of the furnace
and elements. The furnace will enter the “cooldown” mode. Once the zones have
cooled sufficiently and the furnace is in the “off” mode, the atmosphere supply can
be shut off at the source.
3.2.14. Auto Shutdown Sequence.
The furnace must be in cooldown mode.

18
Press the POWER OFF button. The ON power indicator will turn off. Once the
temperature falls below 100°C, all functions will automatically shut down.
3.2.15. Gas Shut Off
Turn the supply gas off. The functional checkout is now complete.
3.3. Software Operation
3.3.1. Recipe Setup Screen (Off Line Edit)
NOTE: When editing this screen the process is not changed.
Level 1 access will allow the operator to inquire, select, and run preset parameters
and recipes. Level 2 access will allow the operator to edit and save recipe data.
When initializing the “Load & Run” field, the process screen is updated and the
Recipe Setup screen is changed to On Line Edit.
Figure 3.3.1.1 Recipe Window
3.3.1.1. Load Recipe (Levels 1, 2, and 3)

19
3.3.1.2.Delete Recipe (Levels 2 and 3)
3.3.1.3.Edit Stored Recipe, Save Stored Recipe (Levels 2 and 3)
NOTE: Do not use this feature on the current recipe while in ready
mode and while processing parts.
3.4. rocess Monitor Screen
This displays the setpoint temperature, the current recipe, process state and status, transport
speed, and other information such as percentage of power to elements and edge heaters.
Alarm and alert dialog box also is displayed here along with event status.
3.4.1. ower Saving Feature (Option)
The actual power number reflects the actual power being used by the machine.
This number is based on the % power applied to the zone and the lamp power of
the zone. This number can be limited by the “Maximum power” value set up in the
SCR Calibration screen. If this value is set at 0, no power is calculated and no limit
is set on the power used by the machine. Any non-zero value will cause the system
to calculate the power and limit it to this value.
NOTE: The edge heaters are not part of the calculation.
The total power will then always stay below the number set by the user.
WARNING: This may cause the machine to never reach the ready state, since
the user value may not be high enough to reach the desired temperature. For
example, setting a maximum of 30 kW will most likely not be enough to reach
a steady state in a high temperature furnace when trying to go to 900 degrees.
In this case, the machine will just stay forever in the warm-up mode.
3.5. Recipe Setup
3.5.1. Setpoint Modification (Levels 2 and 3)
Place the cursor on the temperature setting to be modified. Type the new setting
and press enter from the keyboard.
NOTE: Temperature display is in degrees centigrade.
3.5.2. ower Distribution (Levels 2 and 3)
Default value is 50% top and bottom.
Place the cursor on the power distribution setting to be changed. Type in the new
setting and press enter from the keyboard. This can be between 0% and 100%.
3.5.2.1. ower distribution is a scaled percentage of maximum power output
to the top and bottom heating elements.