FURNACE CONTROLLER FOR NITRIDING MCON NITRO

  • Direct wireless access to all new MESA equipment
  • 99 programs with 24 segments and 16 control track
  • Custom alarms
  • Diagram display
  • Isolated RS485 / 422 Modbus, Profibus-DP, Ethernet interface
  • Data transfer and firmware update via USB interface
  • Up to 2 independent control loops
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SPECIAL FEATURES:

  • Menu-guided operation
  • Color-TFT-touch-screen display, 320 x 240 pix
  • Exact control
  • Connections of one thermocouples type B,C,E,J,K,L,M,N,R,S,T by choice
  • Program memory with 99 setpoint programs with 24 segments and 16 control track for Kn- and process temperature (time-synchronous)
  • Program tracks, free eligible
  • Continuous control of ammonia, PID control
  • Transfer output, Kn
  • All inputs and outputs 4…20 mA (unless thermocouple)
  • Directly adaptation of flowmeter controller for NH3, N2, CO2 or Endogas
  • 2 ammonia flowmeter controllers for small or great quantity are chosen able (thereby high precision)
  • Limit of control variable at ammonia quantity are separate possible
  • Possibility for initial gas
  • Set point programmer for process temperature is indicated

FUNCTION

MCON Nitro measures H2 level in the furnace and calculates characteristic nitriding number Kn. Depending on the difference between measured Kn and desired Kn (setpoint), NH3 flow is increased or decreased which directly affects dissolution of ammonia and thus H2 level into furnace and Kn. In addition, the device also controls the temperature in the furnace with heating or heating/cooling outputs. N2 and Endogas flows are set points that are used to drive mass flow controllers while NH3 flow is controlled with a PID control algorithm in which process value is Kn and manipulation value is scaled to NH3 flow.

The MCON Nitro is a measuring and control system for exact furnace atmosphere-control in nitriding- or nitrocarburizing processes. The 99 program controls of process-temperature and KN -values, with free eligible program time tracks and analogous outputs for NH3- N2- Endogas CO2, by mass flow controls enable an exact control of gas-nitriding processes. A controlled N2- thinning of the Nitriding atmosphere is possible. By use of the initial gas, it is possible to reduce the complete treatment time.

In connection with the program time tracks and a program selection, in addition, a pre-oxidation of the components is possible.

The user can define his own alarm thresholds which do not only control critical values but also activate therefore occupied outputs. Predefined alarms are triggered automatically if unexpected system conditions (probe errors, control errors, etc.) occur.

An integrated web server allows remote access to all new MESA devices.

User accounts with password protection improve the safety in usage by locking access levels, parameters, and functions depending on user privileges.

MCON Nitro controller is available with only one or two control loops.

The user can define his own alarm thresholds which do not only control critical values but also activate therefore occupied outputs. Predefined alarms are triggered automatically if unexpected system conditions (reaching soot limit, probe errors, control errors, etc.) occur.

Our MCon Carbo is fully configured with 2 RS485 MODBUS (master and slave) and a TCP / IP Modbus slave interface. An integrated web server allows remote access to all new MESA devices.

User accounts with password protection improve the safety in usage by locking access levels, parameters, and functions depending on user privileges.

Of course, the controller is available with only one or two control loops.

Design:

ABS DIN 1⁄4 housing for panel mounting

Degree of Protection:

IP54 according to IEC 60529

Dimensions:

96 x 96 x 111 mm (W x H x D)

Control Loops:

2 control loops (Kn control, furnace temperature)
3 PID-parameter settings per control loop PID or On/Off control

Control Output Types:

Heating/cooling, gas/CO or (CO2, Endogas), valve control or analog output
Custom-designed digital outputs for process control

Communication Interface:

Ethernet, non-isolated RS485/422

Power Supply:

AC 85VAC…265VAC, 50-60Hz or DC 10VDC…36VDC.

Power Consumption:

15VA

Anzeige:

Color-TFT-touch-screen display, 320 x 240 pix 16it, 3,5’ with robust touch-screen

Kn-Level Measuring Range:

0…99.99 Kn

Kn-Level Measurements:

Sensor for measurement H2

Optional:

Isolated RS485/422, Profibus

Accessories

Standard bracket mount bars

OUR PRODUCT IN THE INDUSTRY

This unit is for use in a heat treatment industry.

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