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Related Manuals for Nokeval 6720
Summary of Contents for Nokeval 6720
- Page 1 No 140400 Manual Programmable 2-wire transmitter 6720...
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Page 2: Technical Specification
Range -200..+700 °C (Pt100, Pt250, Pt500) General description: -200..+200 °C (Pt1000) 0..+175 °C (Ni100, Ni1000) Transmitter 6720 is exceptionally versatile and accepts Sensor current 0,3 mA almost all common sensor inputs. You can configure it Calibration accuracy: 0.05% of span Linearity <... -
Page 3: How To Order
How to order: 2-wire 4-20 mA Straight and reversed 4-20 mA / 20-4 mA Resolution < 0.03 % of span Type 6720 - Pt100 - 0/600 Output limiter 24 mA Sensor break monitoring 3.5 or 24 mA Model Sensor input Range... - Page 4 MekuWin is configuration program by which you can of this method is that you do not need to update the configure several Nokeval transmitters (Meku-protocol). program when you later add on new functions or new This program differs from convential programs because transmitter models.
- Page 5 Use automatic Baud speed selection (Auto). Set Preamble=0, Address and Slot=0. These functions are not used in 6720 transmitter. Main window has green quick menu (Quick) with four buttons (if it is not visible, choose it in pull down menu Window/Quick).
- Page 6 Ts = Uncorrected sensor temperature measured by calculate R0-value according to equation below (other transmitter than 0 °C temperature corrections) when high accuracy Tn = corrected temperature to display; true is requested. temperature 6720 calculates Tn = (Ts-Tcj) / (Emis + Tcj + Lo).
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Page 7: Other Settings
Ron = R0 * ( Ts * Kpt + 1 ) / (Tn * Kpt + 1) Other settings F.ex. Sensor true temp. Tn = 100 °C and 6720 shows Ts = 99.7 °C, R0 = 100 (basic value). Bip: Bipolar measurement is possible by unscaled inputs Calculate correction Ron = 100 * ( 99.7 * 0.385 + 1 /... - Page 8 Pullup: sensor break pullup 4-wire connection of voltage input (10V) If pullup is set on, a weak current is fed from time to and of resistance measurement on time to sensor line in order to find out eventual sensor measuring card breaks.
- Page 9 Hand held programmer 6790 The use of programmer You can easily program transmitters with hand held When you have swicthed on 6790, display shows text programmer which is particularly useful in field Conn. Set first serial communication baud rate 9600 conditions.
- Page 10 Notes:...
- Page 11 Nores:...
- Page 12 Manufacturer: Yrittäjäkatu 12 37100 NOKIA email mail@nokeval.com Tel. +358 (0)3-342 4800 http:// www.nokeval.com Fax. +358 (0)3-342 2066...