MP20 M1
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Catalog excerpts

MP20 M1 - 3

INDEX INDEX ------------------------------------------------------------------------------------------- 1 1.0 GENERAL POINTS --------------------------------------------------------------- 3 1.1 TECHNICAL CHARACTERISTICS ----------------------------------------------- 3 1.1.1 DISPLAY SIGNALS --------------------------------------------------------------- 4 1.2 CONNECTION DESCRIPTIONS ---------------------------------------------------- 4 1.2.1 WIRING DIAGRAM FOR CURRENT INPUT -------------------------------- 5 1.2.2 WIRING DIAGRAM FOR VOLTAGE INPUT -------------------------------- 5 1.2.3...

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MP20 M1 - 5

1.0 GENERAL POINTS The instrument of the MP20 series in the M1 type container (96mm depth) can be programmed with the following inputs: 4÷20mA, 0÷20mA, 0÷10V, thermocoupling J (Fe/Co) 0÷600°C, thermocoupling K (Cr/Al) 0÷1200°C, thermocoupling S (Pt/Pt10%Rh) 0÷1710°C or thermoresistence (PT100r: –40,0÷200,0°C, PT100e: –40÷800°C). The main characteristics are as follows: • two alarms with exchange relay output • 18V not regulated for 2 or 3 wires transducer power supply • 9999 point display • possibility of programming delay time and hysteresis alarms using hidden menu which is password...

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MP20 M1 - 6

mect s.r.l. 90÷260 Vac/Vdc, 20 ÷ 30 Vac/Vdc 1,5 W 50 °C 8 mm (rossi) 48 x 48 x 96 44.5 mm (altezza) x 44.5 mm (largh.) 200 gr Power Supply Assorbimento Temperatura max di funzionamento: Altezza cifre: Dimension Mounting Plate Peso 1.1.1 DISPLAY SIGNALS LO: reading less than -2000 HI: reading above 9999 Err: outside input scale or input circuit malfunctioning 1.2 CONNECTION DESCRIPTIONS KEYBOARD DESCRIPTION Display : displayed input Led ON: alarm 1 active indication (if required) Led AL: alarm 2 active indication (if required) Led =: “recovery tara” indication : access to the programming...

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MP20 M1 - 7

MP20 101 M1 TERMINAL BOARD DESCRIPTION Terminals 1,2 and 3: inputs Terminal 3: trasducer supply (see Terminal 3 configuration). Terminals 7, 8: instrument power supply Terminals 9, 10: NO contact of alarm relay 2 Terminals 11, 12: NO contact of alarm relay 1 Terminals 4,5 e 6: analogue output (option OAP: see related paragraph), or serial output connections (option serial: see related paragraph) 1.2.1 WIRING DIAGRAM FOR CURRENT INPUT 1) Connection for 2 wire transducer 2) Connection for 2 wire transducer Attention: for the supply voltage on terminal 3 see paragraph configuration”. 1.2.2...

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MP20 M1 - 8

Attention: for connection with configuration”. Thermocouplings must be isolated. For thermocoupling connection use only compensated wire for the type of thermocouple in use. If shielded cable is used, connect the shield to ground at one end only. 1.2.3 WIRING DIAGRAM THERMORESISTANCE Connection thermocoupling input PT100 devices see paragraph “terminal 3 For thermoresistance connection pay attention to the line resistance: if too high there may be some errors in readout. Use the same kind of wire for the three connections. If shielded cable is used, connect the shield to ground at one end...

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MP20 M1 - 9

1.3 TERMINAL 3 CONFIGURATION Open the instrument and through the jumper JP2 and JP3 set the terminal 3 for a PT100 or potentiometer input or for a transducer power supply connection. serial output CONNECTIONS See dedicated paragraph analogue output CONNECTIONS See dedicated paragraph

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MP20 M1 - 10

1.2 2 = number relevant to used table 1 = table referance key and reach the program menu. If yuo want to reach an item, use the To skip into the item press If you want to change a number, use the to increment the blinking digit, and the key to shift the blinking digit. In either case use the input and go to the menu. To exit the menu, press parameters will be stored.

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MP20 M1 - 12

2.0 INSTALLATION NOTES 2.1 INSTALLATION PROCEDURE: 1- Execute the connections as indicated at 5, 6, 7 pages. 2- Switch on the instrument 3- Enter in the configuration menu and set the requested scale (see table 2). For voltage or current inputs program the calibration parameters, while for the potentiometer input follow the information in “potentiometer input set up”. 4- Use the key to set up alarm value 1 (if requested) 5- Use the key to set up alarm value 2 (if requested) 6- The instrument is now ready for use. 7- For automatic zeroing check the “recovery tara” function. 8- To install...

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MP20 M1 - 13

MP20 101 M1 This application should be programmed as follows: ISI = 500 ISL = 100 FSI = 1600 FSL = 900 2.2.2 PRACTICAL EXAMPLE In this example we consider an application for which it is not possible to make a precise calculation of the potentiometer variation, it therefore being necessary to use empirical methods. Let us suppose a linkup of the potentiometer with the instrument and to be able to assign two fixed points to the course of the transducer A and B. The system calibration requires the following data. POINT A = 250 POINT B = 1500 Switch on the instrument with the calibration values...

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MP20 M1 - 14

button to access the configuration menu of the instrument; the Pressing the configuration menu is password protected. The available configurations are explained in the following table. IMPORTANT In order to program the instrument display parameters there are four codes: Figure A ISI, ISL, FSI, and FSL. These menu items allow the setup of the co-ordinates which process the instrument readings. The first co-ordinate is FSL formed by ISI and ISL values. ISI is the initial value of the input scale which coincides with that written in the instrument label ( 0 mA, 4 ISL mA, 0 V, Etc..) while ISL...

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MP20 M1 - 15

Display value SCAL 0 10 SCAL GrAd °C GrAd PdEC 000.0 PdEC tyPE NOTES SELECTION INPUT 0 10 = input 0÷10V 0 20 = input 0÷20mA 4 20 = input 4÷20mA Pot = potentiometer input FeCo = input thermocoupling Fe/CO, CrAL = input thermocoupling Cr/AL, PtPr = input thermocoupling Pt/Pt-Rh10%, PtE = input Pt100 -40÷800°C, Ptr = input Pt100 -40,0÷410,0°C. To change use "5" key and confirm with "Enter". SELECTION °C or °F (for temperature input) To change use "5" key and confirm with “Enter” DECIMAL POINT SETUP (for analogue input) Touch the key “5“ to set the decimal point and confirm with "Enter"...

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