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 TeLC1976
Dipl. Ing. A. Kutschelis & Sohn

Technische Lehrmittel Construktion		 Hochstr. 8
D- 59425 Unna
Germany

web: http://www.telc.de
mail: mail@telc.de
phone.: +49 (0) 2303 239999
facs: +49 (0) 2303 239990
   
 
  Miniplant LIRCA
 
LIRCA

Philosophy of TeLC Miniplants:

TeLC Miniplants follow a standardized design principle which adopts to some extent the real situation in an industrial plant.So is found the field department and the control department. Field and control are both equipped with original industrial instruments. The control department contains the mimetic display and the control instruments. Deviating from reality the field which is concentrated in the mimetic display is to be physically connected with the control instruments

may be with pneumatic hoses or electric wiring. So the trainee has got an additional task to solve. This connecting is eased in that way that especially for the wiring needs be taken no care with normal bipolar wiring and polarity. Connecting of pneumatics and electrics feels equal. The standardisation of the TeLC Miniplants goes so far as the dimensions hight 1.95m and depth 0.65m are equal. Only width differs between 2.2 and 2.9 m and of course weight. Within the abbreviation naming of the units is indicated the control task and instrumentation so e.g. here LIRCA means: Level - Indication - Registration - Control - Alarm
 
Wide range of Training Tasks:
  • identification of the process elements and their connectio
  • put in action and calibration of elements
  • connection of the process with the control terminal
  • structurizing and configuration of transmitters and controllers
  • running of the process (start & stop )
  • study and optimize the control performance by adjusting the parameters
 

Built-up of LIRCA:

The fluid flow is easy to ceive:
Water is pumped out of the reservoir through the magnetic flow transmitter and the control valve with positioner into the perspex vessel. The vessel is discharged by handvalve back into the reservoir again. The level L/p-transmitter is on gravity principle. The vessel can be pressurized by controlling two valves with positioners in split range connection. For operation with 3 pneumatic controllers a p/p transmitter and an I/p- converter are installed in the field.

By this configuration are created 3 dependant control loops: FIC, LIC and PIC. The pneumatic 3-pen recorder is for high speed registration. The alarm device is activated by the alarm actuator in the field. The delay units can be intermitted into every signal path. The pump delivery is variable through a bypass. Flow can also be restricted by a handvalve before the entry to the vessel. The control loops FIC and LIC can be connected in cascade with FIC as follower to improve control performance at upstream disturbances.

Width 2.9 m net weight 220 kg. services AC 3-phase and pressed air.
 
©TeLC Unna 2004 
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