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F&F CRT-15T Manual

Temperature controller programmable
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CRT-15T
Temperature controller
programmable
Do not dispose of this device in the trash along with other waste!
According to the Law on Waste, electro coming from households free of charge and can
give any amount to up to that end point of collec� on, as well as to store the occasion of
the purchase of new equipment (in accordance with the principle of old-for-new, regard-
less of brand). Electro thrown in the trash or abandoned in nature, pose a threat to the
environment and human health.
Purpose
The CRT-15T is a digital temperature controller adapted to regu-
late temperature by switching on and off the receiver connected
to the relay output of the controller.
The regulator is equipped with:
» Control panel, enabling monitoring of the measured tempera-
ture, and setting of the regulator parameters;
» Built-in PID controller, with an option of automatic parameter
tuning;
» Relay output switching on/off the heating element;
» Independent alarm output signalling exceeding of the set tem-
perature.
The CRT-15T controller cooperates with a K400 type
temperature sensor.
F&F Filipowski L.P.
Konstantynowska 79/81, 95-200 Pabianice, POLAND
phone/fax (+48 42) 215 23 83 / (+48 42) 227 09 71
www.fif.com.pl; e-mail: biuro@fif.com.pl
- 1 -

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Summary of Contents for F&F CRT-15T

  • Page 1 Electro thrown in the trash or abandoned in nature, pose a threat to the environment and human health. Purpose The CRT-15T is a digital temperature controller adapted to regu- late temperature by switching on and off the receiver connected to the relay output of the controller.
  • Page 2 Functioning The CRT-15T controller is an electronic temperature controller with a two-state output, cooperating with temperature sensors of the K400 type. The system is equipped with a PID control- ler allowing the regulator characteristics to be adjusted to the characteristics of the controlled object, and the selection of the regulator parameters itself is greatly facilitated by a built- -in automatic tuning mechanism.

  • Page 3: Control Panel Description

    Control panel description Four-digit display (red) indicating the current temperature value. In the parameter setting mode of the controller, this display shows the symbol of the parameter being edited. Four-digit display (yellow) indicating the set temperature value. In the parameter setting mode of the controller, this display indicates the current value of the parameter being edited.

  • Page 4: Regulator Settings

    Control buttons: Briefly pressing the SET button enters the mode of editing the set temperature value. A long press (min. 5 s) enters the editing mode of the remaining controller parameters. If the system is in the edit mode, pressing the SET button causes the approval of the changes made.
  • Page 5 Exiting the setpoint setting mode is only possible by pressing the SET button. The only way to exit the setting mode without saving the changes is to switch off the po- wer supply of the controller. Configuration parameters To enter the controller’s configuration parameters, press and hold down the SET key for 5 seconds.
  • Page 6 - 6 -...
  • Page 7 Temperature moving (Sc) This parameter moves the temperature indication read by the sensor by a set value. The sensor indication can be shifted by a maximum of ±15°. To change the [Sc] parameter, after entering the configuration parameters and selecting [Sc], press the UP or DOWN button.
  • Page 8 To change the PID controller settings, enter the configuration parameters and select the P, I, or D parameter respectively. Then press the UP or DOWN button and enter the edit mode, which is signalled by the flashing of the digit currently available for editing.
  • Page 9 move on to edit the next digit. In this way, all the digits of the parameter should be set and the change should be confirmed using the SET button. Setting lock (Loc) The [Loc] parameter is designed to block access to most of the controller settings.
  • Page 10 Automatic PID controller setting (At) This parameter allows automatic selection of the controller pa- rameters appropriate to the set process. For the setting to be successful, the controller together with the controlled device must constitute a valid automatic control system. This means that the controller must be able to actually influence the process temperature.
  • Page 11 The controller parameters selected as a result of the setting can be read in the configuration parameters. If the controller is not able to obtain the optimum regulator parameters and complete the auto-adjustment process, the process can be interrupted by entering the parameter [At] and setting it back to 1. This will cause the message [Of] to be displayed and the setting will be completed.
  • Page 12 Setting Factory Symbol Function range setting PID controller - 0÷255 differentiating part Sample period 0÷100 Regulator setting Settings protection Mounting 1. Disconnect the power supply. 2. Prepare a 45×45mm mounting hole in the mounting board. NOTE: Thickness of the board up to 10 mm. 3.

  • Page 13: Wiring Diagram

    Wiring diagram Technical data power supply 100÷240 V AC regulator output contact separated 1×NO/NC maximum load current (AC-1) control alarm output contact separated 1×NO maximum load current (AC-1) temperature adjustment range 0÷400°C PID settings proportional part [P] 0÷100 integrating part [I] 0÷255 differentiating part [d] 0÷255...

  • Page 14: Warranty

    Technical data cont. power consumption working temperature 10÷40°C terminal 2.5 mm² screw terminals tightening torque 0.4 Nm dimensions 48×48×86 mm mounting hole 45×45 mm ingress protection IP20 Warranty The F&F products are covered by a warranty of the 24 months from the date of purchase.

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