Datexel DAT 1111 Installation Instructions Manual
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Via monte Nero, 40/B – 21049 TRADATE (VA) ITALYPhone: +39 (0)331841070 Fax:+39 (0)331841950 - e-mail:datexel@datexel.it - www.datexel.itLow profile, dip-switchprogrammable and linearisedtransmitter for Pt100DAT 1111DAT 1111GENERAL DESCRIPTIONThe transmitter DAT 1111 is designed to provide on output a 4÷20 mA current loop linearised signal proportional with the temperature characteristic providedfrom the Pt100 connected to its input.It is possible to connect on input both Pt100 3 wires and Pt100 2 wires sensors.It is possible to program the input range by the 4 way DIP-switches available removing the protection plastic cap located on the top of device (see the section“Input ranges table”).The regulation of the zero and full-scale value are made using the ZERO and SPAN potentiometers.The DAT 1111 is in compliance with the Directive 2004/108/EC on the Electromagnetic Compatibility.It is housed in a self-extinguish plastic enclosure suitable for DIN B in-head mounting.Moreover ( by proper mounting kit ) it is possible to mount the DAT 1111 on DIN rail.FEATURES- Input from Pt100- Input scale in °C or °F- Zero and Span programmable by DIP-switches- 4÷20 mA current loop linearised output- Good accuracy and linearity- EMC compliant – CE mark- Suitable for DIN B in-head mounting- Option for DIN rail mounting in compliance with EN 50022 (DIN RAIL Option)USER INSTRUCTIONSThe transmitter DAT 1111 must be powered by a direct voltage between 10 to 32 V applied to the terminals +V and -V.The 4÷20 mA output signal is measurable in the power loop as shown in the section “Output/Power supply connections”; Rload is the input impedance ofinstruments on the current loop; to obtain a correct measure, the value of Rload will be calculated as function of the power supply value ( see section “ Loadcharacteristic”).The input connections must be made as shown in the section "Input connections".The Pt100 three wires must be connected to the terminals 1 and 3, connecting the third wire to the terminal 2.The Pt100 two wires must be connected to the terminals 1 and 3, connecting the terminal 2 and 3.The configuration of the input range must be made by DIP-switches. To configure the device refer to the section “Input ranges table”.Regulate the output value by the ZERO and SPAN regulations.To calibrate and install the transmitter refer to sections " DAT1111: configuration and calibration" and “Installation Instructions”.TECHNICAL SPECIFICATIONS (Typical at 25 °C and in nominal conditions)InputSensor type RTD Pt100 in according to IEC 60751Minimum input Span 50 °C (122 °F)Zero programmability From -50 °C (-58 °F) up to + 50 °C (122 °F)Span programmability From 50 °C (122 °F) up to 650 °C (1202 °F)Excitation current 1 mA typ.Line resistance influence 0.05 % of f.s./ohm (100 ohm max. balanced per wire)OutputOutput type 4 ÷ 20 mA on current loopSensor interruption signalling Positive out of scale (> 20 mA)Maximum output signal 35 mALoad resistance (Rload) see section “Load characteristic”Response time (from 10 to 90 % of f.s.) 300 msWarm-up time 3 min.PerformancesCalibration error ± 0.1 % of f.s.Linearity error (*) ± 0.15 % of f.s.Thermal drift 0.03 % of f.s./°CPower supply voltage (**) 10÷32 VdcElectromagnetic Compatibility (EMC)( for industrial environments ) Immunity: EN 61000-6-2; Emission : EN 61000-6-4.Operating Temperature -20 ÷ 70 °CStorage Temperature -40 ÷ 85 °CHumidity (not condensed) 0 ÷ 90%Weight about 35 g.(*)inclusive of hysteresis, linearisation error and power supply voltage variation(**)internally protected against reverse polarity. |
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