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.
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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. The functions of each output are freely configurable from the faceplate. In addition to the control and alarm outputs, you can also have outputs that repeat the state of the digital or retransmission input by process variable, setpoint, deviation, alarm trip points and values acquired via serial line.
An additional output 24VDC, 30mA max. The instrument can also select the parameters to be displayed based on its hardware configuration, which automatically hides irrelevant parameters. In this way, you just have to set the setpoint and the alarm, then launch self-tuning with the specific button. For even simpler configuration, you can use a PC programming kit consisting of a cable and a guided program for Windows environment.
Features: Choose from a wide range of software-selectable inputs, including V and mA. Know what the controller is doing : LEDs will flash when softstart or autotuning are in progress or when a sensor fault occurs Trigger pre-configured control functions alarm reset, Auto Manual mode… via remote switch.
Accuracy better than 0.
Gefran 1000 Manuals
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.
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