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Digital Process Controller

Digital Process Controller
Digital Process Controller
Product Code : 28
Product Description

Digital Process Controller is specifically designed for offering high accuracy control of different process. Thereof, this is widely used in diffusion and conveyor furnaces. It is well accepted in the market for offering a versatile way of automating the diffusion process. The controller is engrossed with user friendly programmed functions that make it well appreciated for easy accessibility. We are designing this range with advanced machine and quality tested materials in adherence to set quality standards. Digital Process Controller is easily accessible to our clients at economical rates.

Advantages:

  • High speed functioning
  • Good accuracy
  • Optimum performance

Compact size program controller with high functionality and high performance

Features :

High functional, performance oriented and compact size digital program controller, that features:

Specifications of Program Controller: One can find 15 patterns and 99 steps in a liquid crystal display program controller.

Full Multiple Inputs: There are total 13 types of thermocouple inputs, which include:

  • 2 types of RTD input
  • 5 types of Voltage input
  • 1 type of Current input

A liquid crystal display:

  • 5 digits of the indication range
  • Seven segments of indication
  • LED for back light

Backup and Initialization for the Setting Value :

  • Compact Size : The compact sized body with 65mm depth. When TTM-339 is mounted, the protrusion of the front panel is 2mm.
  • Loader communication function: With this functions, a complicated parameter important to program control can be set up.
  • Cable: can be purchased separately
  •  Software: free software available
  • Blind function: System configuration is done, to allow display of only selected parameters from the parameters set.
  • Manual control: A manual output function enhances its usage in several instrumentation systems.


Communication function (RS485: TOHO exclusive protocol / MODBUS):

  • The maximum length of cable can be 500m, and it can connect up to 31 units simultaneously.
  • With one host computer, the user can have a centralized control on data collection and changes of respective setting value from a distance place.
Standard Specifications :

Function :

Program specifications

Output in operation/End signal output selectable and configurable

External drive signal selection

Internal operation, external operation

Temperature range setting for

power failure recovery

Temperature input

0.0 to 2999.9, 0 to 2999(oC)

Analog input

0 to 2999 (digit)

Timer specifications

Setting unit

1 min

Setting time

0 to 99 hrs 59 min

Setting accuracy

+(0.5% +0.5 sec) of setting time

Manipulated variable

Manipulated variable function selection (MLF)

None, Manipulated variable limiter, manipulated variable current limiter

Manipulated variable limiter

Upper limit

MLL1 to 100.0 (%), MLL2 to 100.0(%)

(MLH1 to MLH4)

MLL3 to 100.0(%), MLL4 to 100.0(%)

Lower limit

0.0 to MLL1(%), 0.0 to MLL2(%)

(MLL1 to MLL4)

0.0 to MLL3(%), 0.0 to MLL4(%)

Manipulated variable change

Percentage of rise for manipulated variable

0.0 to 549.9(%)(0.0% : function OFF)

limiter rise

Rise time of manipulated variable

0 to 3600 (sec) (0: function is none)

Setting limiter (SLL), (SLH)

Upper limit (SLH)

Temperature input

(SLL+5.0) to SV setting range upper limit, (SLL+5) to SV setting range upper limit (oC )

Analog input

(SLL+50) to SV setting range upper limit (digit)

Lower limit (SLL)

Temperature input

SV setting range lower limit to (SLH-5.0), SV setting range lower limit to (SLH-5)(oC )

Analog input

SV setting range lower limit to (SLH-50) (digit)

Scaling setting

Upper limit (FSH1)

FSL1 to 29999 (digit)

(Analog input only)

Lower limit (FSL1)

19999 to FSH1 (digit)

Control type (CNT)

PID control, ON/OFF control

PV correction gain setting (PVG)

0.500 to 2.000 (times)

PV correction zero setting (PVS)

Temperature input

999.9 to 999.9, 999 to 999(oC )

Analog input

9999 to 9999 (digit)

PV filter setting (PDF1)

0.0 to 99.9 (sec)

Special PV filter setting (PDFS)

0.0 to 99.9 (sec)

Anti reset windup

0.0 to 110.0 (%) (Function OFF by 110.0% setting)

Manual reset

0.0 to 100.0 (%) (100.0 to 100.0 (%) if there is auxiliary control)

Main control loop abnormal

PV variation setting

Temperature input

0.0 to 999.9, 0 to 999 (oC )

Analog input

0 to 9999 (digit) (The decimal point position is the specified position.)

Time setting

0 to 3600 (sec)

Decimal point position setting

Temperature input

1oC , 0.1oC

(DP)

Analog input

1/digit, 0.1/digit,0.01/digit, 0.001/digit, 0.0001/digit

Lock function (LOC)

Normal screen, pattern No. setting mode, alarm temperature setting mode, PID setting mode, common parameter setting mode (SET1 to 12), setting temperature (all steps at one time), wait function setting (all steps at one time), time signal 1 to 4 function setting (all steps at one time), manipulated variable limiter function setting (all steps at one time), setting time (all steps at one time), end signal ON time


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