NIVELCO THERMOCONT TT Series Installation And Programming Manual

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NIVELCO THERMOCONT TT Series Installation And Programming Manual Manual pdf 14 page image

BKI 04 ATEX 113X♦ tbj5242a0600p_01.doc ♦ 14 / 165.1.3 Parameters – descriptions and programmingP0: - - - a Assignment of the (lowest) measured temperature to 4 mAP1: - - - a Assignment of the (highest) measured temperature to 20 mAThe lowest and highest (limit) value of the temperature range is to be assigned to the 4 and 20 mA output current. This can be performed by twomethodsa: manually i.e. by entering the relevant values in P0 and P1 (Make sure that values to be programmed does not exceed the range of the unit inquestion, the modification of the parameter value will not be accepted i.e. after pressing E the parameter value will remain blinking and refuse toreturn to the address.)The procedure to assign for instance +160°C to 4 mA in P0 is the following: press E + to enter programming mode, go to P1 with E , enter 160and press E to go back to the parameter address, finally press E + to exit programming/return to measurement mode).b: automatically i.e. using the GET VALUE function at being in P0 and P1. For this method the probe should be in a medium with the required (zeroand high limit value) temperature. Successful setting will be indicated by the message SET displayed.FACTORY DEFAULT: P0 -50°CP1 +200°C or +600°C respectivelyP7: - - - a Offset of characteristicDisplayed (and transmitted) temperature value can be diverted from that of measured by the sensor. This represents an offset of the characteristic sothat the displayed value will be throughout the whole range in line with a - for instance - control measurement, performed by a control thermometer.Difference value should be entered here with its mathematical sign ( -) if it is minus.FACTORY DEFAULT: 0P9: - - - a Current generator testIn this parameter the actual current output (corresponding to the measured process value) will be displayed. Pressing E the blinking) current valuecan be set for any value between 3,9 and 20.5 mA. The current output has to show the same value, which can be checked by an ampere meter.P10: - - - a Engineering unita Engineering unit0 Celsius1 FahrenheitFACTORY DEFAULT: 0

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