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M2x2 

(M212, M232) 

 

 

Manual 

iSTAT M2x2 

Standard Measurement Centre 

Publication Reference:  

M2x2/EN/M/F 

 

 

 

M2x2 /EN/M/F © 2014. ALSTOM, the ALSTOM logo and any alternative version thereof are trademarks and service marks of ALSTOM. The other names mentioned, 
registered or not, are the property of their respective companies. The technical and other data contained in this document is provided for information only. Neither 
ALSTOM, its officers or employees accept responsibility for, or should be taken as making any representation or warranty (whether express or implied), as to the 
accuracy or completeness of such data or the achievement of any projected performance criteria where these are indicated. ALSTOM reserves the right to revise or 
change this data at any time without further notice. 

GRID 

 

 

Summary of Contents for iSTAT M212

Page 1: ...pective companies The technical and other data contained in this document is provided for information only Neither ALSTOM its officers or employees accept responsibility for or should be taken as maki...

Page 2: ......

Page 3: ...ent will be familiar with the contents of the Safety Section 1 2 Explanation of symbols and labels The meaning of symbols and labels may be used on the equipment or in the product documentation is giv...

Page 4: ...d be made using insulated crimp terminations to ensure that terminal block insulation requirements are maintained for safety To ensure that wires are correctly terminated the correct crimp terminal an...

Page 5: ...re are no customer replaceable PCB cards or components within the enclosure so the enclosure should not be opened 4 DECOMMISSIONING AND DISPOSAL Decommissioning The auxiliary supply circuit in the rel...

Page 6: ...10 1 2002 Class II EN 61010 1 2002 Class II Insulation Category Over voltage IEC 61010 1 2002 Category II 600V III 300V EN 61010 1 2002 Category II 600V III 300V Environment IEC 61010 1 2002 Pollution...

Page 7: ...3 3 3 Opening Enclosure 4 3 DECOMMISSIONING AND DISPOSAL 5 4 TECHNICAL SPECIFICATIONS 5 1 4 Protective fuse rating 6 9 INTRODUCTION 6 1 9 General 6 2 10 Family 6 3 10 Measurements 6 4 10 Hardware fea...

Page 8: ...xiliary Supply 10 25 USER INTERFACE MENU STRUCTURE 10 1 25 Menu introduction 10 2 27 Measurement Navigation 10 3 29 Settings Navigation 10 4 31 Resets Navigation 10 5 31 Info Navigation 10 6 32 Instal...

Page 9: ...n protocol 17 2 55 Register Map for Actual Measurements 17 3 57 Register table for IEEE 754 Measurements 17 4 60 Register table for the normalized actual measurements 17 5 62 100 values calculations f...

Page 10: ...M2x2 EN M F User Manual Page 8 iSTAT M2x2 BLANK PAGE...

Page 11: ...T devices with communications i400 i4Mx i500 M2x1 M2x2 and M2x3 QDSP also offers additional features such as upgrading from a secure web site for both the QDSP and the measurement centres KEY MESSAGES...

Page 12: ...itchboard power measurements energy metering into a remote energy management system via pulsed outputs or communications TABLE 7 1 has a summary of the measurements available The M2x2 can be user conf...

Page 13: ...ser features that are designed to make the installation and commissioning simple These features are summarised in TABLE 7 4 below The Setup Wizard takes the user through the basic settings required to...

Page 14: ...tware Power Measurements All the M2x2 family provide a wide range of instantaneous measurement values Voltage current Power phase angle power factor and frequency These are available locally on all th...

Page 15: ...unbalanced load 7 1 1 Valid measurements The following tables list the valid measurements for each connection type Key measured calculated not supported Connection TABLE 8 1 BASIC MEASUREMENTS Paramet...

Page 16: ...age Uf1 U1 THD THD of phase voltage Uf2 U2 THD THD of phase voltage Uf3 U3 THD THD of phase current I1 I1 THD THD of phase current I2 I2 THD Phase THD of phase current I3 I3 THD Phase to phase voltage...

Page 17: ...onnection mode measurements support is same as for 1b 7 2 Power mode The power mode is used for the signing of power measurements The user cannot set the M2x2 power mode It is defined as follows When...

Page 18: ...Q Q Q Quadrant 2 Quadrant 1 Quadrant 3 Quadrant 4 Import Q Impor p t P Import Q Expor p t P Export Q Expor p t P Export Q Impor p t P Lagging vars to generator Lagging vars to consumer Power to consu...

Page 19: ...ate measurement with harmonics present up to the 63rd The M2x2 reads 128 samples per cycle and the true RMS measurement is obtained using these sampled values The M2x2 display can display the measured...

Page 20: ...between current and voltage PF Power factor THD Total harmonic distortion MD Measurement of average values in time interval Harmonic voltage harmonic Sine voltage with frequency equal to integer mult...

Page 21: ...2 3 and THD of phase voltage Uf1 Uf2 and Uf3 Phase THD of current I1 I2 and I3 Phase to phase voltage U12 U23 U31 Average phase to phase voltage Uff Phase to phase angle 12 23 31 THD of phase to phase...

Page 22: ...fundamental frequency to the power of the fundamental frequency This sum of the powers is a geometric total formed by taking the square root of the sum of the squares of the amplitude of each of the...

Page 23: ...the maximum demand value since last reset The unit also displays the present or dynamic maximum demand 8 3 9 Thermal Average demands Thermal demand will provide an exponential thermal characteristic...

Page 24: ...ly configurable connection mode the default information is shown as 4u three phase 4 wire unbalanced and the default connection diagram also shows this connection Connection diagrams for the different...

Page 25: ...utputs The 2 energy pulsed outputs are always fitted on the M2x2 and can be used for external monitoring of energy consumption The energy measuring via the pulsed outputs corresponds to the basic ener...

Page 26: ...munications link The hardware port has three terminals see table 10 5 the alarm contacts will share a common connection but each contact can be individually set Connections TABLE 10 5 ALARM CONTACTS 9...

Page 27: ...d using the five keys on the front panel as shown in figure 11 1 below FIGURE 11 1 M232 FRONT VIEW Throughout this section the following symbols are used in the diagrams to relate to pressing the corr...

Page 28: ...s divided into 3 parts separated by two horizontal lines Top Main and Bottom The Top display tells the operator the name of the main display the bottom display provides display specific information an...

Page 29: ...igure 11 3 Menu name Present Values Alarms Demo Cycling Measurements display Main Menu Back to main menu Figure 11 4 illustrates the present value menu structure The user can browse through the availa...

Page 30: ...total W per phase VAr per Phase VA per phase PF and power angle PF total Power angle total PF per Phase Power angle per Phase Frequency Frequency Energy Counters 1 2 Counters 3 4 Counter 1 history Co...

Page 31: ...rowse through the available menus using the direction keys by pressing the DOWN or UP keys and then pressing the OK key to make a selection The LEFT key is pressed to return to the Main Menu Settings...

Page 32: ...cation LCD Security Energy Inputs Outputs Language Connection mode Device address Contrast Password level 1 Active tariff I O 1 Temperature unit VT primary Baud rate Backlight Password level 2 Common...

Page 33: ...ress OK to access the individual settings Pressing the LEFT key returns to the Resets Menu Energy counters MD values Last period MD Reset Alarm output All energy counters No Yes No Yes No Yes Energy c...

Page 34: ...Figure 11 9 illustrates the Installation menu structure The user presses OK key to make a selection The LEFT key is pressed to return to the Main Menu Installation Figure 11 9 Welcome to the Installa...

Page 35: ...2 2 shows the Language setting structure The selection is made by pressing either the DOWN or UP keys until the desired language is selected and then press OK key to make a selection Language Figure 1...

Page 36: ...etting VT secondary Figure 12 5 _110 0V VT Secondary display OK Select Figure 12 6 shows the CT Primary setting structure An underscore shows the position of the curser Move along by using the RIGHT o...

Page 37: ...12 8 _33 Device address display OK Select Figure 12 9 shows the Baud Rate setting structure Changes are made by pressing either the DOWN or UP keys until the desired setting is shown then press OK ke...

Page 38: ...nu Back to main menu 11 2 Demo Cycling The function polls through a number of different displays that show the different features that are in the M2x2 Figure 12 3 illustrates the measurement menu stru...

Page 39: ...ing feature will then show various features of the M2x2 Meter identify Info page Alarm groups and status Voltage CURRENT Power and Phase angle values Energy values MD values THD information The user p...

Page 40: ...1 Setting Navigation Figure 13 1 illustrates the Settings menu structure The user can browse through the available menus using the direction keys by pressing the DOWN or UP keys and then pressing the...

Page 41: ...4 illustrates the MD time constant setting The user can select a time constant setting from 1 to 255 minutes Pressing the DOWN or UP keys scrolls through the options Press the OK key to return back to...

Page 42: ...ms the selection The numeric value is shown in the lower menu when the Back Light setting is selected Back Light time off this is adjusted using the DOWN or UP keys until the desired time off setting...

Page 43: ...security L0 no password required so the user can view and change any of the M2x2 settings L1 level 1 password reset all the maximum demand measurements and energy counters L2 level 2 password the use...

Page 44: ...rection keys by pressing the DOWN or UP keys and then pressing the OK key to make a selection The LEFT key is pressed to return to the Setting Menu Active tariff Figure 13 11 Tariff Input Tariff 1 Tar...

Page 45: ...put options the user presses the DOWN or UP keys and then pressing the OK key to select The bottom menu indicates what type of I O is fitted in each of the four modules The LEFT key is pressed to retu...

Page 46: ...15b appears I O 1 Figure 13 15b Energy Counter Alarm Groups Output Signal Input Output option Counter 1 Back to I O menu When the alarm function is enabled the options for alarm groups and an output s...

Page 47: ...can be RS232 RS485 or USB The communication parameters of the M232 can be obtained by using the keypad and display or by using the Scan the network feature in the QDSP setting software 13 2 QDSP Sett...

Page 48: ...for 3 seconds 50 x In for 1 second Minimal range Starting current for power Maximum range 12 5A sinusoidal Burden 0 1 VA per phase Frequency Nominal Frequency Fn 50 60Hz Measuring range 16 to 400Hz Ra...

Page 49: ...actual 50 60 Hz 0 01Hz Nominal Frequency Range 16 400 Hz 0 02 Hz Power Angle 180 0 180 Class 0 5 Power Factor 1 0 1 U 50 120 Un I 2 20 In I 20 200 In Class 2 0 Class 1 0 Maximum Demand Calculated from...

Page 50: ...ion Direct Network Direct Max connection length 3m 1000m 3m Connection Terminals 3 pin Terminals 3 pin Type B Transmission mode Asynchronous Protocol MODBUS RTU Insulation In accordance with EN 61010...

Page 51: ...EMC Directive on electromagnetic compatibility 2004 108 EC In compliance with EN 61326 1 1998 Protection In compliance with EN60529 1997 Front IP52 Rear with protection cover IP20 Ambient conditions C...

Page 52: ...age 50 15 WIRING DIAGRAMS AND CASE DIMENSIONS Current Transformers Pulse Alarm Outputs Voltage Connections Tariff Inputs optional Power Supply connections COM1 FIGURE 16 1 CONNECTIONS FIGURE 16 2 EXTE...

Page 53: ...M2x2 EN M F User Manual iSTAT M2x2 Page 51 FIGURE 1615 3 EXTERNAL WIRING DIAGRAM 3 PHASE 3 WIRE BALANCED LOAD 3B FIGURE 16 4 EXTERNAL WIRING DIAGRAM 3 PHASE 4 WIRE BALANCED LOAD 4B...

Page 54: ...User Manual M2x2 EN M F iSTAT M2x2 Page 52 FIGURE 16 5 EXTERNAL WIRING DIAGRAM 3 PHASE 3 WIRE UNBALANCED LOAD 3U FIGURE 16 6 EXTERNAL WIRING DIAGRAM 3 PHASE 4 WIRE UNBALANCED LOAD 4U...

Page 55: ...M2x2 EN M F User Manual iSTAT M2x2 Page 53 92mm 92mm FIGURE 16 7 CUT OUT FIGURE 16 8 CASE DIMENSIONS...

Page 56: ...User Manual M2x2 EN M F iSTAT M2x2 Page 54 16 RELATED DOCUMENTS Ref Document 1 QDSP iSTAT Configuration and Analysis Software Manual...

Page 57: ...Measurements M233 Compatible Register map M231 Compatible Register map Parameter Type Start End Start End Voltage U1 T5 30107 30108 30044 30045 Voltage U2 T5 30109 30110 30046 30047 Voltage U3 T5 3011...

Page 58: ...Power Angle atan2 Pt Qt T2 30070 Power Angle atan2 Pt Qt T17 30172 Angle U1 U2 T2 30076 Angle U1 U2 T17 30115 Angle U2 U3 T2 30077 Angle U2 U3 T17 30116 Angle U3 U1 T2 30078 Angle U3 U1 T17 30117 Freq...

Page 59: ...3 30008 Energy Counter 4 Exponent T2 30404 30009 Counter E1 T3 30406 30407 30010 30011 Counter E2 T3 30408 30409 30012 30013 Counter E3 T3 30410 30411 30014 30015 Counter E4 T3 30412 30413 30016 30017...

Page 60: ...31508 31509 Reactive Power Phase L1 Q1 T_float 32538 32539 31548 31549 Reactive Power Phase L2 Q2 T_float 32540 32541 31550 31551 Reactive Power Phase L3 Q3 T_float 32542 32543 31552 31553 Reactive P...

Page 61: ...Pt negative T_float 32608 32609 Active Power Total T_float 31568 31569 Reactive Power Total Qt L T_float 32610 32611 Reactive Power Total Qt C T_float 32612 32613 Total Reactive Power T_float 31570 3...

Page 62: ...t 32656 32657 Internal Temperature T_float 32658 32659 17 4 Register table for the normalized actual measurements Only available when the M233 compatible register map is selected MODBUS Parameter Regi...

Page 63: ...D P F Phase 2 PF2 30833 T17 1 CAP IND P F Phase 3 PF3 30834 T17 1 CAP IND P F Total PFt 30835 T17 1 Power Angle U1 I1 30836 T17 100 Power Angle U2 I2 30837 T17 100 Power Angle U3 I3 30838 T17 100 Powe...

Page 64: ...T16 In MD Current I2 30868 T16 In MD Current I3 30869 T16 In Energy Energy Counter 1 30870 T17 Energy Counter 2 30871 T17 Energy Counter 3 30872 T17 Energy Counter 4 30873 T17 Actual counter value MOD...

Page 65: ...ormalized values These values are set using the QDSP software 17 6 Register table for the basic settings Register Content Type Ind Values Dependencies Min Max P Level 40143 Connection Mode T1 0 No mod...

Page 66: ...0 Signed Measurement 32 bit Decade Exponent Signed 8 bit Binary Signed value 24 bit Example 123456 10 3 FDFE 1DC0 16 T7 bits 31 24 bits 23 16 bits 15 00 Power Factor 32 bit Sign Import Export 00 FF Si...

Page 67: ...gister T_Str8 Text 8 characters 2 characters for 16 bit register T_Str16 Text 16 characters 2 characters for 16 bit register T_Str40 Text 40 characters 2 characters for 16 bit register T_float IEEE 75...

Page 68: ...3 8 in Current sample n 9 ufn Phase voltage sample n 10 ufFn Phase to phase voltage sample n 11 f Power angle between current and phase voltage f 1 2 or 3 18 2 Equations Voltage N u U 2 n N 1 n f Phas...

Page 69: ...ve power sign Qf reactive power by phases power angle f f f I U S Apparent power by phases Uf phase voltage If phase current 3 2 1 t S S S S Total apparent power S123 apparent power by phases 2 2 P S...

Page 70: ...f Current THD I1 value of first harmonic n number of harmonic 100 U n U THD U 1 f 63 2 n 2 f f Phase voltage THD U1 value of first harmonic n number of harmonic 100 U n U THD U 1 ff 63 2 n 2 ff ff Ph...

Page 71: ......

Page 72: ...for information only Neither ALSTOM its officers or employees accept responsibility for or should be taken as making any representation or warranty whether express or implied as to the accuracy or com...

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