GEFRAN 1000 TEMPERATURE CONTROLLER PDF

It is particularly in combined Heat-Cool control applications where the advanced algorithms come into play, allowing an extremely narrow band between heating and cooling without causing overlap. Complete operator interface, protected by Lexan membrane to guarantee an IP65 faceplate protection level. The main input for the variable to be controlled is universal, and allows connection of a wide variety of signals: thermocouples, resistance thermometers, thermistors, normalized linear inputs, all with possibility of custom linearization set from the faceplate. A second auxiliary analog input from current transformer is available. You can select one of the two presettable setpoints, select Manual-Automatic mode, reset the alarm memory, or enable the hold function by means of the digital input. An analog output in voltage or in current is also available.

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The warranty excludes defects caused by any Serial interface optional RS, isolated use not conforming to these instructions. S4 Jumper P. Page 7 Minimum limit auxiliary l5. S and absolute alarms Upper limit for setting SP xi.

Page 8 rl. HB - alarm HB Page 10 AL. It can signal variations in load input by identifying the current value in ammeter input in the range It is enabled by means of configuration code AL. Page 13 If the Integral Time value is too long Weak integral action , deviation between the controlled variable and the setpoint may persist.

The self-tuning action calculates optimum control parameter values during process startup. The variable for example, temperature must be that assumed at zero power room temperature.

The controller supplies maximum power until an intermediate value between starting value and setpoint is reached, after which it zeros power. PID parameters are calculated by measuring overshoot and the time needed to reach peak. For correct installation, follow the instructions contained in the manual. Page 17 DC. Suitable for piloting resistive loads up to a maxi- mum of 5A at V a. The board is automatically recognized by the instrument, which enables display and setting of the parameters involved.

Command from clean contact of 24 V. Page 22 Parameter. Page 23 Parameter. Normally used to retransmit the probe value. Theboard is automatically recognized by the instrument, which enables display and setting of the parameters involved. Page 28 The board is automatically recognized by the instrument, which enables display and setting of the parameters involved. Page 29 Parameter. Page 30 Parameter.

DG408DY DATASHEET PDF

1000-1001-1101

The family of controllers provide a complete operator interface, with a Lexan membrane faceplate to give IP54 frontal protection that has 3 keys, two green LED displays with 3 or 4 and digits, and red LED indicators for the 3 alarm relay outputs and a green LED for the main control output. The main input for the control variable is universal and provides the possibility of connecting different types of signal: Thermocouples of types J, K, N, S, R, T Resistance thermometer Pt 3-wire Linear inputs: mV, mV keyboard definable V, V, mA, mA with an external shunt. An auxiliary analogue input is available for a current transformer input. Alternatively, the control output can be analogue mA, mA or V, V. The programming of the instrument is simplified by the grouping of the parameters into function blocks. Access to the configuration parameters is protected by a hardware jumper and different values of a protection code can be used to restrict the number of parameters that can be displayed and modified by the user. Description Inputs for thermocouples and resistance thermometers completely configurable from the faceplate Offset function on the input signal Relay, mA or logic main output Between 1 and 3 configurable alarms Auxiliary input for C.

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