DIGITAL MULTIFUNCTION INSTRUMENT Programmable Multi-function DC Energy Meter Installation & Operating Instructions Section Contents Introduction Measurement Reading Screens Timer Screen Number of Interruptions On-hour Run-hour Date and time Installation EMC installation requirements Case Dimentions and Panel Cut-out Wiring Auxiliary Supply Fusing Earth/Ground Connections Optional Pluggable (Addon) Module...
1. Introduction The Multifunction DC Energy Meter is a panel mounted 96 x 96 mm DIN Quadratic Digital Panel Meter, which measures important electrical parameters in DC Network and replaces the multiple analog panel meters. It measures electrical parameters like DC voltage, Current, Power, Energy (Import & Export), Demand &...
The Status LED serves many purposes. In measurement screens, it changes color according to load status i.e. healthy, alarm and overload conditions. Overload condition is defined as measured value > 126% of nominal value. Refer the following points to decode the information that the LED provides. These points are true for measured parameters i.e.
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An example of the power screen is shown in the picture. The Status LED is glowing green which means it is in healthy condition. (As shown in screen 1) Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W The Status LED is glowing red and a measured value is being displayed, which means one from the following conditions is present.
Off Delay - The maximum value of the overflow is 2000. Thus the highest energy that the meter can show is 200099999999 Mwh. Parameter Name Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W To obtain the value for current energy reading, the user need to Toggles every multiply the overflow count by 10 raised to energy digit reset...
This Screen shows the total no. of hours load has been 2.3 On-hour connected. Even if the Auxiliary supply is interrupted, count of Run hour will be maintained in internal memory & Parameter displayed in the format “hhhhhh.mm”. Name For example if Displayed count is 105000.10 it indicates Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W...
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Table-1 Min Max Measuring range Displaying range Accuracy Measured Parameter ±10 ~ ± 60VDC ± 0.5% of nominal ±61~ ±200 VDC Voltage 0 - ± 9999 value ±201 ~± 1000 VDC 0 - ± 9999 50 ~ 150mV ±0.5 % of nominal value Current 0 - ±1.2MW ±0.5 % of nominal value...
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TABLE : 2 Measurement Screen Parameters Parameter LED Screen No. Screen Name Status Voltage Current Power Import Energy Imp,W,hr Import Energy OF Imp,W,hr Export Energy Exp,W,hr Export Energy OF Exp,W,hr Import Ampere Hour Imp,A,hr Import Ampere Hour OF Imp,A,hr Export Ampere Hour Exp,A,hr Export Ampere Hour OF Exp,A,hr...
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Continued... Parameter LED Screen No. Screen Name Status Old Import Amp Hour Old, A, hr, Imp Old Import Amp Hour OF Old, A, hr, Imp Old Export Amp Hour Old, A, hr, Exp Old Export Amp Hour OF Old, A, hr, Exp Old Max Import Power Demand Old, W, Dm, Imp Old Max Export Power Demand...
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TABLE : 3 Datalogging Parameters List Parameter Parameter Parameters Parameters Voltage Export Energy on update rate OF Current On Hour Run Hour Power Import Energy No of interruptions Import Energy OF Old Import Energy Export Energy Old Import Energy OF Export Energy OF Export Energy Old Export Energy OF...
3. Installation Mounting of the Meter is featured with easy “Clip- in” mounting. Push the meter in panel slot (size 92 x92 mm), it will click fit into panel with the four integral retention clips on two sides of meter. If required, additional support is provided with swivel screws as shown in figure.
3.2 Case Dimensions and Panel Cut-Out With optional Addon Card. 51mm 92mm+0.8 96mm 51mm Front Display Area Panel Cutout 106mm 56mm 70mm 75mm 3.3 Wiring Input connections are made directly to screw-type terminals with indirect wire pressure. Numbering is clearly marked on the connector.
5. Parameter Editing Guide (Unless specified otherwise, follow these steps to edit any value in setup screens.) 1) Use key to enter editing mode. A blinking decimal point will be displayed as cursor. 2) Use & keys to increase or decrease the digit values respectively, or cycle through options. 3) Use key to go to the next cursor position.
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Example 2: If a user want to change a parameter with options he/she will have to follow the steps mentioned below. Parameters having options can be identified by the mentioned options parameter besides the corresponding screen in the flowchart. We'll take example of parity screen. Navigating to this screen and pressing (Parity PAritY...
6. Setup Screens (Flowchart) Measurement Screen - - - - Longpress Password Invalid Password value can be any four digit number (0000 - 9999). _ _ _ _ x x x x (Password Screen) (password input) Password Valid Version x x x x x x x x screen (confirm)
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If chosen yes, this screen will (Auto Auto.dt (Quit determine the value of nominal voltage quit voltage Quit screen for system parameters menu. no/yes screen) according to the input voltage and set detection) that value. This screen lets the user set nominal (Energy User can set after how many digits the V-FS...
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This value decides the device ID of the Quit screen for serial communication (Device dEV-Addr (Quit device on modbus communication. parameters menu. modbus quit screen) Range: 001 - 247 address) This value decides the baud rate for the (Baud-rate (Parity These options decide the parity and stop bit bAUd-rt PAritY...
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This option decides the relay type for the selected relay in parent screen. (Relay tYPE Options: nonE, LiMit, PuLSE, tiMEr, rEMotE, rEV Loc, rtc rLY type xxxxxxx selection) type = LiMit? type = PuLSE? This value decides the parameter for This value decides the parameter for (Limit (Pulse...
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type = tiMEr? type = rEMotE? Quit screen. This value decides the number of (Number (Quit cycles for timer output. quit xxxx screen) Range: 0000 - 9999 cycles) This option configures the timer ConF (Timer operation. xxxx configuration) Options: En, d.En This value decides the on-delay for (Timer On.d...
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type = rEV Loc? type = rtc rLY? typE = nonE This option configures the relay ConF (Relay operation. xxxx quit (Quit configuration) Options: En, d.En screen for relay type) This value decides the on-delay for (Timer On.d timer. on-delay xxxx This option configure the selection Range: 0001 - 9999...
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Here the user can change RTC date. (RTC SEt-dAtE Date shown is in DD-MM-YY format. date xx-xx-xx Options: standard calenderwise setting)* (01-01-00 to 31-12-99) When RTC date changes, the load profile (Date after confirmation log must be cleared. The screen confirms change LP LP y/n this from the user.
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Event datalog parameters selection Quit screen for serial datalog (Event Evnt quit (Quit screen. parameters menu. datalog screen) parameters) (Time Time datalog parameters selection (Load Load profile datalog parameters tiME datalog menu. profile selection screen. parameters) parameters) Time datalog start or stop screen. (Datalog Options: StoP, Strt Load profile datalog start or stop...
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Factory reset This value determines the number of (User (Factory uSEr Scr ConFrM confirmation screen. user screens displayed. screen reset Options: n, Y Options: 00 - 10 count) confirmation) uSEr Scr cnt = 0? On this screen, the user can enter screen numbers for the user screen numbers (zz).
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Measurement Screen Longpress Longpress Timer ' x' Timer ' x' running? running? tiMEr-x tiMEr-x tiMEr-x tiMEr-x StArt StoP StoPPEd running (Timer Select Screen)* (Timer Select Screen)* (Timer Select Screen)* (Timer Select Screen)* quit quit tiMEr-x tiMEr-x StArt y/n StoP y/n Timer Start Screen** Timer StoP Screen** * Value of 'x' can be changed from 1-2 depending on the timers selected in output configuration settings using...
7. Programming The following sections comprise step by step procedures for configuring the DC energy meter according to user requirements. To access the set-up screens press and hold key for 2 second. This will take the user into the password input screen (Section 7.1).
7.2 System Parameter Selection Screen Choosing "yes" in the options will set the nominal voltage The first menu in the setup menu is the system parameters value. Table-4 shows different nominal voltage values set menu. In this menu, the user can configure the parameters for different input voltage values.
Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W Old Imp Exp Dmd W 7.2.6 Energy Rate Note: Changing this value will perform a "reset"...
7.3 Communication Parameter Selection 7.2.8 Auto Scrolling Screen This screen allows user to enable or disable automatic This menu contains different communication screen scrolling. This feature is disabled by default. The parameters like device address, baud rate, etc. All these options for this parameters are toggle between its parameter name &...
7.5.1 Select Relay Output 7.4 Reset Parameter Selection This screen allows user to reset various stored parameters. On this screen the user can select relay as the output When reset is performed, current register values are option and can decide which of the available relay to be moved to corresponding "old"...
7.5.1.1.3 Trip Point 7.5.1.2.1 Pulse Parameter Selection This is the value for selected parameter This parameter decides on which measurement limit which is used as a reference for parameter, the pulses will be occurring. The options relay tripping. It is represented as for this setting are 0 &...
7.5.1.3.2 Timer Configuration 7.5.1.5.1 Relay Configuration Timer configuration decides the relay configuration for timer This parameter decides the relay configuration for relay in output. There are two options reverse locking mode. There are two options for this for this parameter. parameter.
7.6.2 Time Setup 7.5.1.6.2 Relay Configuration On this screen the user can change RTC time. Time is This parameter decides the relay configuration for relay in displayed in HH.MM format. value ranges from 00.00 to RTC relay mode. There are two options for this parameter. 23.59 as shown in the below screens.
7.7.2.3 Parameter Count 7.8.1 Number of User Screens This value decides how many parameters will be logged in On this screen, the user can set the number of user time logging. screens to be displayed. Options for this parameter are The value range is 01-30 00 - 10.
Table-8 Hi-E High alarm, energized relay Hi-d High alarm, de-energized relay Para No. Parameter Range Lo-E Low alarm, energized relay Lo-d Low alarm, de-energized relay None ------- High alarm relay means that it will go to alarm condition Voltage ±10 - ±120% when the measured parameter is greater than the set Current ±10 - ±120%...
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Example: Nominal value = 48 V, Trip point (%) = 60%, Hysteresis (%) = 25 % Trip value = 60% of 48V = 28.8V High alarm Hysteresis value = 25 % of 28.8 V = 7.2 V So, relay will trip above 28.8 V & it will reset below 21.6 V (28.8 V - 7.2 V) For negative values of trip point, calculations will be the same as positive trip point.
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3) Low alarm & Energised relay 4) Low alarm & De-energised relay Relay De-energise Relay Energise Input Input Hysterisis point Hysterisis point Trip point Trip point Time Time Relay Energise Relay De-energise Relay De-energise Relay Energise Time Time Trip point Trip point -50% -50%...
8.2 Pulse Output For energy output in MWh Pulse Output is the potential free, very fast acting relay Pulse Rate contact which can be used to drive an external mechanical Divisor Pulse counter for energy measurement. The Pulse Output can be configured to any of the parameter shown in table-7 1per MWhr through setup parameter screen.
9. Specification Inputs Voltage :- VA Burden:- < 0.4 W approx. Nominal Input 1. 10-60 VDC Nominal input Voltage Range 2. 61-200 VDC Voltage burden 3. 201-1000 VDC < 0.1 W approx. Nominal input Max continuous 125% of Nominal Value Current burden input voltage <...
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Applicable Standards :- Display :- Type 1 line 8-digit LED Display IEC 61326-2012 Immunity IEC 61000-4-3. Display Height 9 mm 10V/m min – Level 3 Overload Indication -oL- industrial Low level (Above 126% of nominal value) Safety IEC 61010-1-2010 , Update rate Approx.
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Environmental conditions :- ModBus (RS 485) Option :- Operating temperature ModBus ( RS 485 ) Protocol -10 to +55 C Storage temperature 57600, 38400, 19200, Baud Rate -20 to +70 C 9600 or 4800 Relative humidity 0 .. 90 % (Non condensing) (Programmable) Warm up time...
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