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Introduction
MTC-A5 temperature control unit is designed for precision control of high temperature
furnace from 1000 - 1500
customer can run your furnace automatically by connecting power cord and thermo-
couple with the unit
temperature controller and voltage & current meters. The controller uses
control via SRC (Silicon Controlled Rectifier) power control which provides more
accurate temperature control than "solid relay
to adjust furnace temperature with minimum over-shooting as well as 30 segments
programmable with digital display. Cooling fan inside case avoids temperature effect on
the controller.
Wire Connection
1. Loosen off the six screws from the back panel:
Power Wire
2. Connect thermocouple connecting wire to the thermocouple in your furnace (note: "+"
is positive node and "-"is negative node) and heating element connecting wire to the
heating element ("A" is power line and "N" is null line).
o
C with heating elements of resistant wire or SiC. The
which is installed in a heavy duty steel case with precision digital
". Built in "auto tune" function allows you
Screw
PID automatic
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Summary of Contents for MTI MTC-A5
- Page 1 Introduction MTC-A5 temperature control unit is designed for precision control of high temperature furnace from 1000 - 1500 C with heating elements of resistant wire or SiC. The customer can run your furnace automatically by connecting power cord and thermo-...
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Page 2: Operation
Wire + thermo couple Wire N heating element Wire - Wire A thermo couple heating element 3. Connect the power wires to the power supply (Single Phase AC208~240V 50/60 Hz). Wire N Wire A Grounding Wire Operation 1. 518P Temperature Controller (1). - Page 3 Back Panel of the Temperature Controller & Connection Controllable Power Silicon Input Alarm Thermal Couple Figure 2 b. Illustration of Front of Temperature Controller Note: MTI provides two kinds of controllers but with same function, customer could use either one by following the operation discussed later:...
- Page 4 Figure 3 Two meters with same function 1. Temperature of furnace (PV) 2. Setting temperature (SV) 3. Setting button (also confirmation) 4. Cursor moving button (also access of program setting) (A/M) 5. Number decrease button (RUN/HOLD) 6. Number increase button (STOP) 7.
- Page 5 Figure 4 Front Panel 1. Turn-on 2. Turn-off 3. Lock (Turning left for locking and right for unlocking) 4. Power Indicating Light 5. Working Indicating Light (OUT) 6. Voltage Meter 7. Current Meter 2. Displaying switch on Temperature Controller When a certain function is going to be applied, please be notice that which state of the meter’s dominating.
- Page 6 c. Press again for 1 second to back to “normal state”. Press Press for 1 sec. for 1 sec Normal State Executing Program Segment Press Press for 1 for 1 sec. Running Time State Program Running State Figure 6 (3) Summary of Operation Procedure a.
- Page 7 Always End up with “txx -121” when setting the parameters!!! Figure 8 Note: For details of parameters setting, please refer to “Temperature controlling setting” discussed later. c. When press down the green button “Turn-on”, the machine phonates with “peng” to indicate the relay has been connected. d.
- Page 8 Please apply “Auto Tune” function, at the degree of 80% of your Max. temperature to help you set the parameters such as M5, P and t. (For details of the parameters, refer to “Setting of M5, P and t”). f. Shut down the device f-1.
- Page 9 Press Press for 1 sec. for 1 sec. Running Time Target Temperature · Smart Tips: · You can set as many as 30 segments if needed · Figure 10 Illustration of Temperature Segment Setting Note: When finish all the segments you need, please end the last segment with -121!!! (2) Setting Example...
- Page 10 ℃ 1600 t/Min Plot 1 ： You could make such a form before you input the data Prompt Input Data Initial Temperature C 01 T 01 Running time in the first segment C 02 Temperature in first inflexion (target temperature in this segment and initial temperature in next segment) T 02...
- Page 11 this segment and initial temperature in next segment) T 06 Program finished, stop it, and cool the tube － 1 21 naturally Table 1 to input the data and finish the plot setting. The customer is not advised to modify the controlling program when it is executing if he or she not familiar with the furnace operating.
- Page 12 Figure 11 (1) Capability parameter Parameter Parameter Setting Unit Default Setting Name Function Range Maintain ℃ or definable － 9 999 parameter unit Speed － 9 999 Delay time － second 2 000 CtrL Control type ， Parameter lock Table 2 (2) Parameter Function a.
- Page 13 (3) Adjustment of parameters of M5, P and t In order to get a precise temperature control, customer should pay more attention to the parameters of M5, P and t. Actually, MTI’s engineers have already made a strict high ℃...
- Page 14 (4) All System Parameters Parameter Value preset Function Note symbol in in SV Panel PV panel HIAl 1250 Max. Temp limit Initial Temp limit Limit output current beflow Local 999.9 Alarm in positive dHAL tolerance 999.9 Alarm in negative dLAC tolerance Adjsutment The smaller dF, the higher...
- Page 15 temperature, but lower the reaction Running Condition Parameter revising Value ‘0” will lock data that grade has been entered. “ 808” will open lock to allow you to see and revise all parameters. ContrL After adjusting, set to NoneE After adjusting, set to NoneE NoneE NoneE...
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Page 16: Troubleshooting
Table 3 If you have any problem, please contact our engineers at info@mtixtl.com we will reply to you within 24 hours. MTI Corporation 860 South 19 Street, Richmond, CA 94804, USA Tel: 510-525-3070 Fax: 510-525-4705 E-mail: info@mtixtl.com Web site:...
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