Buy Gefran PID Temperature Controller, 48 x 48 (1/16 DIN)mm, 3 Output Relay, Also featuring soft start as well as an auto and manual function, the . View and Download Gefran user manual online. SINGLE DISPLAY TEMPERATURE CONTROLLER WITH UNIVERSAL INPUT. Temperature Controller. Gefran Pdf User Manuals. View online or download Gefran User Manual .

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Laterally, heaters gffran be steered through the automatic controller. The controller supplies maximum power until an intermediate value between starting value and setpoint is reached, after which it zeros power. Before proceeding with installation read the following warnings carefully! To mount two or more devices side by side, use the cut-out dimensions shown above. Got it, continue to print. Indicates a particularly delicate situation that could affect the safety and correct working operation of the controller, or a rule that must be strictly observed to avoid dangerous situations Indicates a suggestion based on the experience of the GEFRAN Technical Staff, which could prove especially useful under given circumstances Indicates a reference to Detailed Technical Documents available on the GEFRAN web site www.

Select the type of functioning and the assigned control output by means of code Hb.

Gefran 400 User Manual

D The PID parameters are calculated s follows: It is essential that the plant has a good earth connection: The self-tuning action calculates optimum control parameter values during process startup. S Digital filter on main input 0, PID parameters are calculated by measuring overshoot and the time needed to reach peak.


Default Custom 0 S. Installation with Panel Fixing in Section 2. It continuously reads system oscillations, immediately seeking the PID parameter values that reduce the current oscillation.

S 0 1 2 3 Format xxxx xxx. It will be similar to that in the figure: It is useful for calculation of PID parameters when the system is around the set-point. Resistors must be at least 2W ; fit a 1N diode in parallel with the coil of inductive loads that operate in DC. Table of Contents Add 4000 my manuals Add. The main input for the process variable is universal and provides the possibility to connect many types of input sensor:.


manuall The warranty excludes defects caused Power supply cable 1 mm Relay output cables 1 mm 3,5 m by any use not conforming to these ggefran. How to switch the unit ON: It is advisable to make sure that alarm signals are also triggered during normal operation. Process variable display PV 2 sec.

It is also possible to set an alarm point related to the current transformer input in order to check eventual load malfunction.

Repairs must be done out only by trained and specialized personnel. C Switch to automatic and observe the behavior of the variable. Deviation indicator On if deviation is between 0.


It can be one of two types: Don’t have an account? The instrument must NOT be installed in flammable or explosive environments; it may be connected to equipment operating in such atmospheres only by means of appropriate and adequate types of interface, conforming to the applicable safety standards.

  ACI 531-79 PDF

It signals variations of load absorption by discriminating the level of current at the transformer input in the range In the proximity of high frequency generators or arc welders, use adequate mains filters.

Indicates the contents of the various manual sections, the general warnings, notes, and other points to which the reader’s attention should be drawn. A configurable personal software protection code password protection can be used to restrict the levels of editing and displaying the configuration parameters. The variable for example, temperature must be that assumed at zero power room temperature.

Remember that lack of observation gffran these warnings could lead to problems of electrical safety and electromagnetic compatibility, as well as invalidating the warranty. Connect with the instrument powered and with inputs and outputs not connected.

Single display controller – Gefran

The electronic instruments and electromechanical power devices such as relays, contactors, solenoid valves, etc. The switch must be located in the immediate vicinity of the instrument and must be within easy reach of the operator.

Turn on the instrument again B. Turn off the instrument t.

Suitable for piloting logic inputs, typical application for interface to solid state switches GTS. Setting a limit of A. Current transformer input variable AL. New Product View Product Index. If an oscillation persists, increase the proportional band.