CARLO GAVAZZI MDI 40 TF - CONFIGURATION SOFTWARE Manuel d'utilisateur Page 1

ENGLISHMDI40OPERATING INSTRUCTIONS• General Features 2• Technical Features 3• Installation 9• Preliminary Operations 11• Front Panel Description 12• O

10ENGLISHINSTALLATIONOverall dimensions and panel cut-out92 mm45 mm124 mmFSal1al296 mm48 mm91 mm112 mmmax. 10 mmMountingInsert the instrument into th

11ENGLISHConnectionsIn order to select the desired range (MDI 40V and MDI40A), jumper, ifnecessary, between the relevant screw terminals.Connect MDI 4

12ENGLISHConnection of the signal transmitters (in the models MDI40V and MDI40A):• 2 wires: signal to the measuring input; power supply to terminal 6;

13ENGLISHFRONT PANEL DESCRIPTIONFSCARLO GAVAZZIal1al21. Key-pad:functions available outside the programming phase.Key to be pressed: Displaying of se

14ENGLISHF + For longer than 2 seconds: maximum reset of themeasured value (the display will be blinking);F + For longer than 2 seconds: minimum

15ENGLISHF In the menus: exit from the programming phase (message “End“on the display) and return to the measuring and control function; In theseconda

16ENGLISHOPERATING MODE• Power-onWhen you switch the unit on, the instrument shows for approximately 5seconds the instruments’s software revision, for

17ENGLISHpassword is not correct, the display shows “End” and the instrumentgoes back to the measuring and control phase.PROGRAMMING OF A NEW PASSWORD

18ENGLISHof MDI40 indicating the position of the current function with regardsto the others. The flow chart also makes more easily understandablethe c

19ENGLISHNOTE: if the measured variable goes beyond the scale limits “Lo.E”/”Hi.E”, the value displayed during the measuring phase will be blinkingan

2ENGLISHCARLO GAVAZZI InstrumentsMulti-range µP-based panel indicators/controllers for voltage, cur-rent and temperature measurementsMDI40.V / MDI40.A

20ENGLISHaccording to the following relationship: °F = (1.8 x °C) + 32.Example: “Lo.E”=-50°C ⇒ “Lo”=-58°F; “Hi.E”=+760°C ⇒ “Hi”=+1400°F,means that t

21ENGLISH do.L : down/low alarm set-point with latch function. The alarm func-tions as per “do” and can be reset only manually when the F

22ENGLISHNOTE: the hysteresis is to be programmed according to the displayedrange. oF.d : value expressed in seconds of the time delay at the alarm se

23ENGLISHmeasurement of a process signal from a transmitter: 0 to 20mA, 4 to20mA, 0 to 10V, 0 to 5V, 1 to 5V and so on which can correspond to apress

24ENGLISHis to be entered making various attempts starting from a minimum value,for example “Fi.C”=3. The datum will not remain stable, therefore “Fi

25ENGLISH“Hi.A” (%) = 100 x ?V that in our example corresponds to: 10100 x 5V/10 = 50%, therefore enter 50.00.Also in this case, as per the elect

26ENGLISHAlarm status following sensor's breakage.TCStatus oFF do uP d.do uP.L do.LOpening on oFF on oFF** on* oFF*Short-circuit //////* Depend

27ENGLISHGross Automation (877) 268-3700 · www.carlogavazzisales.com · [email protected]

3ENGLISH• programming of the scales: electrical scale, displayed scale anddecimal point position;• programming of all the parameters relating to the

4ENGLISHTEMPERATURE DRIFT (CURRENT)DC / AC measurement: ± 200 ppm/°CTEMPERATURE DRIFT (RTD / TC / Ω)± 200 ppm/°CSAMPLING RATEV/A measurement: 4 times/

5ENGLISHINPUTS (CURRENT)2 mA, range: -1.999 mADC / 0 mAAC to 1.999 mA20 mA, range: -19.99 mADC / 0 mAAC to 19.99 mA200 mA (on request), range: -199.9

6ENGLISHCOMPENSATION (TC)Cold junction, within a temperature range from 0 to 50°C of ambienttemperature.ALARM SET-POINTS2 independent standard set-poi

7ENGLISHANALOGUE RETRANSMISSION (ON REQUEST)From 0 to 20 mADC / from 0 to 10 VDC, programmable within the wholerange of retransmission;Accuracy and r

8ENGLISHEXCITATION OUTPUT15 VDC insulated, not stabilized / max. 40 mA;20 VDC/20mA typical (@ rated value of power supply input).For MDI40C the power

9ENGLISHCMRR: 100 dB, from 40 to 60 HzEMC: IEC 801-2, IEC 801-3, IEC 801-4 (level 3)IN ACCORDANCE WITH THE FOLLOWING STANDARDSEN 61010-1, IEC 1010-1,