Alstom iSTAT M232 Manual
Alstom iSTAT M232 Manual

Alstom iSTAT M232 Manual

Standard measurement centre
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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.
M2x2
(M212, M232)
Manual
iSTAT M2x2
Standard Measurement Centre
Publication Reference:
M2x2/EN/M/F
GRID

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Summary of Contents for Alstom iSTAT M232

  • Page 1 GRID 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...
  • Page 3: Safety Section

    User Manual M2x2/EN M/F iSTAT M2x2 Page 1 SAFETY SECTION This Safety Section should be read before commencing any work on the equipment. Health and Safety The information in the Safety Section of the product documentation is intended to ensure that products are properly installed and handled in order to maintain them in a safe condition.
  • Page 4: Installing, Commissioning And Servicing

    M2x2/EN M/F User Manual Page 2 iSTAT M2x2 INSTALLING, COMMISSIONING AND SERVICING Equipment connections Personnel undertaking installation, commissioning or servicing work on this equipment should be aware of the correct working procedures to ensure safety. The product documentation should be consulted before installing, commissioning or servicing the equipment.
  • Page 5: Equipment Operating Conditions

    User Manual M2x2/EN M/F iSTAT M2x2 Page 3 EQUIPMENT OPERATING CONDITIONS The equipment should be operated within the specified electrical and environmental limits. Current transformer circuits Do not open the secondary circuit of a live CT since the high level voltage produced may be lethal to personnel and could damage insulation.
  • Page 6: Technical Specifications

    M2x2/EN M/F User Manual Page 4 iSTAT M2x2 TECHNICAL SPECIFICATIONS Protective fuse rating The recommended maximum rating of the external protective fuse for this equipment is 6A, Red Spot type or equivalent, unless otherwise stated in the technical data section of the product documentation.
  • Page 7: Table Of Contents

    User Manual M2x2/EN M/F iSTAT M2x2 Page 5 CONTENT SAFETY SECTION Health and Safety Explanation of symbols and labels INSTALLING, COMMISSIONING AND SERVICING EQUIPMENT OPERATING CONDITIONS Current transformer circuits Insulation and dielectric strength testing Opening Enclosure DECOMMISSIONING AND DISPOSAL TECHNICAL SPECIFICATIONS Protective fuse rating INTRODUCTION General...
  • Page 8 M2x2/EN M/F User Manual Page 6 iSTAT M2x2 8.3.1 Voltage 8.3.2 Current 8.3.3 Frequency 8.3.4 Harmonics (THD) 8.3.5 Power 8.3.6 Power factor 8.3.7 Energy 8.3.8 Maximum demands (MDs) 8.3.9 Thermal Average demands HARDWARE Connections Communications Inputs and Outputs 9.3.1 Energy Pulse Outputs 9.3.2 Tariff (inputs) 9.3.3...
  • Page 9 User Manual M2x2/EN M/F iSTAT M2x2 Page 7 TECHNICAL DATA WIRING DIAGRAMS AND CASE DIMENSIONS RELATED DOCUMENTS APPENDIX A: MODBUS PROTOCOL 17.1 Modbus communication protocol 17.2 Register Map for Actual Measurements 17.3 Register table for IEEE 754 Measurements 17.4 Register table for the normalized actual measurements 17.5 100% values calculations for normalized measurements 17.6...
  • Page 10 M2x2/EN M/F User Manual Page 8 iSTAT M2x2 BLANK PAGE...
  • Page 11: Introduction

    User Manual M2x2/EN M/F iSTAT M2x2 Page 9 INTRODUCTION General The iSTAT M2x2 is an easy to use standard measurement centre family aimed particularly at the medium voltage and industrial market segments throughout the world. The M2x2 measurement centre family integrates a number of measurements and metering functions in the same unit for power system management.
  • Page 12: Family

    M2x2/EN M/F User Manual Page 10 iSTAT M2x2  High sampling rate of 128 samples per cycle  A frequency family of 16 2/3Hz, 45/65Hz or 400Hz Economical  Universal Power for all site situations  Common case size permits retrofitting without major re-engineering of the panel. Family The iSTAT M2x2 family provides: ...
  • Page 13: Communication And Inputs/Outputs

    User Manual M2x2/EN M/F iSTAT M2x2 Page 11 TABLE 7-2 : HARDWARE M212 M232 Large backlit LCD 128 x 64   LED alarm indication   5 key menu   Autorange Volts and Current   inputs (Volts optional) Universal Power supply AC/DC ...
  • Page 14: Applications

    M2x2/EN M/F User Manual Page 12 iSTAT M2x2 TABLE 7-4 : USER FEATURES M212 M232 Set up Wizard   Wrong connection warning   3 Custom screens   Demonstration screens   Applications The M2x2 family can be used in a wide range of different applications depending on the model, the applications are summarised in TABLE 7-5 below.
  • Page 15: System Modes

    User Manual M2x2/EN M/F iSTAT M2x2 Page 13 SYSTEM MODES Connection mode The connection mode of the M2x2 is menu-configurable. The following options are available:  1b - single phase connection,  3b - three-phase, three-wire connection with balanced load, ...
  • Page 16 M2x2/EN M/F User Manual Page 14 iSTAT M2x2 Connection Type TABLE 8-2 : BASIC Parameter Unit MEASUREMENTS Apparent power S  × ×   Apparent power S × × ×   Apparent power S × × ×  ...
  • Page 17: Power Mode

    User Manual M2x2/EN M/F iSTAT M2x2 Page 15 Connection Type TABLE 8-2 : BASIC Parameter Unit MEASUREMENTS MD current I      MD current I ×     MD current I ×    ...
  • Page 18 M2x2/EN M/F User Manual Page 16 iSTAT M2x2 Q (Cap) Lagging vars to generator Import Q Import Q Expor Impor Quadrant 2 Quadrant 1 Power to generator Power to consumer P (--) P (+) Quadrant 3 Quadrant 4 Export Q Export Q Expor Impor...
  • Page 19: Instrumentation

    User Manual M2x2/EN M/F iSTAT M2x2 Page 17 INSTRUMENTATION Measurements With the increase in harmonics present in today's power systems, due to the increased use of electronic loads such as computers, variable frequency drives, etc. it is important, when accurate monitoring of electrical parameters is required, to use a measuring technique that allows for their presence.
  • Page 20 M2x2/EN M/F User Manual Page 18 iSTAT M2x2 TABLE 9-2 : GLOSSARY Term Explanation Root Mean Square value Type of a memory module that keeps its content in case Flash of power supply failure MODBUS Industrial protocol for data transmission QDSP Software for iSTAT family Alternating voltage...
  • Page 21: Supported Measurements

    User Manual M2x2/EN M/F iSTAT M2x2 Page 19 Supported Measurements The measurements that the M2x2 family supports are shown in the following table. TABLE 9-3 : BASIC MEASUREMENTS Voltage U in U Current I in I Active power P , and P Reactive power Q , and Q Apparent power S...
  • Page 22: Voltage

    M2x2/EN M/F User Manual Page 20 iSTAT M2x2 8.3.1 Voltage All versions of the M2x2 except for the 3-phase 3-wire versions, measure the true RMS value of the phase voltages (U ) connected to the unit. The three line-to-line voltages ), then the average phase voltage (U) and average line voltage (U ) are ...
  • Page 23: Energy

    User Manual M2x2/EN M/F iSTAT M2x2 Page 21 8.3.7 Energy Four counters are available so that energy in each of the four quadrants can be measured. The configuration of the four counters can be adapted to the customer's needs via the front menu or via the remote communications link.
  • Page 24: Hardware

    M2x2/EN M/F User Manual Page 22 iSTAT M2x2 HARDWARE The connections to the M2x2 Measurement Centre are made on the rear as shown in Figure 10-1 FIGURE 10-1 : M232 REAR CASE VIEW Connections Voltage inputs of the M2x2 can be connected directly to a low-voltage network or via a voltage transformer to a high-voltage network.
  • Page 25: Inputs And Outputs

    User Manual M2x2/EN M/F iSTAT M2x2 Page 23 Position Data direction Description MC input pin Data reception (Rx) RS232 − Grounding ( ) MC output pin Data transmission (Tx) To/From MC RS485 − Do not connect! To/From MC To/From MC USB B TABLE 10-1 : RS232, RS485, AND USB CONNECTIONS Inputs and Outputs...
  • Page 26: Alarm Outputs

    M2x2/EN M/F User Manual Page 24 iSTAT M2x2 Connections TABLE 10-4: TARIFF INPUTS 9.3.3 Alarm outputs The Energy pulse outputs on the M232 can be optionally programmed to output alarm conditions if the pulse outputs are not required. The alarms can be set using QDSP via the remote communications link.
  • Page 27: User Interface Menu Structure

    User Manual M2x2/EN M/F iSTAT M2x2 Page 25 USER INTERFACE MENU STRUCTURE 10.1 Menu introduction The settings, measurements and functions of the M2x2 can be accessed from either the front panel or the remote communications link (M232 only). The menu structure of the M2x2 is navigated 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...
  • Page 28 The M2x2 is supplied with the Level 1 password set to AAAA. Level 2 password has not been set. AAAA passwords offer no level of protection; all measurements and settings can be modified. The passwords must be changed from AAAA to activate password level protection. Alstom Grid Figure 11-2a initial power up display M232 Multimeter www.alstom.com/grid...
  • Page 29: Measurement Navigation

    User Manual M2x2/EN M/F iSTAT M2x2 Page 27 10.2 Measurement Navigation Figure 11-3 illustrates the measurement 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 OK key to make a selection. The LEFT key is pressed to return to the Main Menu Figure 11-3...
  • Page 30 M2x2/EN M/F User Manual Page 28 iSTAT M2x2 table 11-1 illustrates the Present Values Menu information structure. The user can browse through all the available menus using the direction keys. Pressing the OK key returns to the Present Values Menu Information Left Right...
  • Page 31: Settings Navigation

    M2x2/EN M/F User Manual iSTAT M2x2 Page 29 10.3 Settings Navigation Figure 11-5 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 OK key to make a selection. The LEFT key is pressed to return to the Main Menu Figure 11-5...
  • Page 32 User Manual M2x2/EN M/F iSTAT M2x2 Page 30 table 11-2 illustrates the Settings Menu information structure. The user can browse through all the available menus using the direction keys. When the settings section required is highlighted press OK to access the individual settings. Pressing the LEFT returns to the Settings Menu.
  • Page 33: Resets Navigation

    This will not refresh back to the main menu so the user has to press the  LEFT key to get back to the Main Menu. Figure 11-7 Alstom Grid Product Identify Initial power up display and Info M232 display Multimeter www.alstom.com/grid...
  • Page 34: Installation Navigation

    User Manual M2x2/EN M/F iSTAT M2x2 Page 32 Figure 11-8 Info Product Information Ser.#: MCxxxxxx S.ver: 0.29 H.ver: A Date: 14.08.2009 Run: 0d 14h 47’ Back to main menu <- Main Menu The information shown on the Product Information display is: Ser.#: MCxxxxxx: this is M2x2 serial number.
  • Page 35: Hardware Functions

    M2x2/EN M/F User Manual iSTAT M2x2 Page 33 HARDWARE FUNCTIONS 11.1 Installation Wizard The Installation Wizard is designed to take the user through the minimum functions necessary to install the M2x2. By pressing the OK key the following functions can be set: Language: Connection Mode: VT Primary: VT Secondary: CT Primary: CT Secondary: Device Address: Baud Rate: Parity: Stop Bit.
  • Page 36 User Manual M2x2/EN M/F iSTAT M2x2 Page 34 either the DOWN or  UP keys until the desired setting is shown, then press OK key to confirm. When the curser is under the decimal point, the decimal point location and engineering units (V, KV) can be changed.
  • Page 37 M2x2/EN M/F User Manual iSTAT M2x2 Page 35 Figure 12-7 CT secondary CT Secondary display _5.0A OK Select Figure 12-8 shows the Device address setting structure. An underscore shows the position of the curser. Move along by using the RIGHT or LEFT key, changes are made by pressing either the DOWN or ...
  • Page 38: Demo Cycling

    User Manual M2x2/EN M/F iSTAT M2x2 Page 36 Figure 12-1 shows the Stop Bit setting structure. Changes are made by pressing either the DOWN or  UP keys until the desired setting is shown, then press OK key to confirm. The LEFT key can be pressed to return to the Parity setting.
  • Page 39 M2x2/EN M/F User Manual iSTAT M2x2 Page 37 Demo Cycling 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 ...
  • Page 40: Settings

    User Manual M2x2/EN M/F iSTAT M2x2 Page 38 SETTINGS The settings on the M2x2 are completed using the Keypad and Display; on the M232 they can also be done using the QDSP software over the communications link. The Installation Wizard described in section 12.1 is designed to take the user through the minimum functions necessary to install the M2x2.
  • Page 41 M2x2/EN M/F User Manual iSTAT M2x2 Page 39 Figure 12-12 in the Installation Wizard section describes the language selection. Once selected, the language option appears in the lower menu when the cursor highlights the language option. Figure 13-3 illustrates the Temperature Unit setting.
  • Page 42: Lcd Navigation

    User Manual M2x2/EN M/F iSTAT M2x2 Page 40 12.3 LCD Navigation Figure 13-6 illustrates the LCD menu structure. The user can browse through the available settings 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 Settings Menu.
  • Page 43: Security Navigation

    L2 – level 2 password: the user cannot change any of the settings without a password. If the password is lost or forgotten, the user will have to ask Alstom Grid for the factory allocated password. In order to give this the user must tell Alstom Grid the M2x2 serial number of the instrument.
  • Page 44: Energy Navigation

    User Manual M2x2/EN M/F iSTAT M2x2 Page 42 12.5 Energy Navigation Figure 13-10 illustrates the Energy 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 OK key to make a selection. The LEFT key is pressed to return to the Setting Menu.
  • Page 45: Inputs And Outputs

    M2x2/EN M/F User Manual iSTAT M2x2 Page 43 12.6 Inputs and Outputs Figure 13-3 illustrates the Settings menu structure. To select the Input/Output options the user presses the DOWNor UP keys and then pressing the OK key to select Inputs and Outputs.
  • Page 46 User Manual M2x2/EN M/F iSTAT M2x2 Page 44 The Energy Counter can be defined as an Alarm Output or as a pulse output for Counter 1 to 4. Therefore any of the 4 Energy counter registers can be assigned to either of the pulse outputs.
  • Page 47: Communications

    M2x2/EN M/F User Manual iSTAT M2x2 Page 45 COMMUNICATIONS 13.1 Communications ports The M232 is fitted with a primary communications (COM1) port which 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’...
  • Page 48: Technical Data

    User Manual M2x2/EN M/F iSTAT M2x2 Page 46 TECHNICAL DATA INPUTS AND SUPPLY Voltage Input Nominal Voltage (Un) 230 V / 415 V Rating / 230 V 120V / 415V Max Allowed value 277 V , 480 V permanently 2 x Un for 10 seconds Minimum range 2V sinusoidal Burden...
  • Page 49 M2x2/EN M/F User Manual iSTAT M2x2 Page 47 ACCURACY (of range unless specified) RMS Current Class 0.5 , Iavg, I Class 0.5 Maximum Current 12.5A Class 0.5 (of reading) RMS Line Voltage 75V L-N Class 0.5 , Uavg) 250V L-N Class 0.5 500V L-N Class 0.5...
  • Page 50 User Manual M2x2/EN M/F iSTAT M2x2 Page 48 MODULES Energy Pulse (Alarm) module No of outputs Max. switching power 40 VA Max. switching voltage AC 40 V Max. switching voltage DC 35 V Max switching current Insulation 1000V ac between open contacts 4000V ac between coil and contacts Pulse...
  • Page 51 M2x2/EN M/F User Manual iSTAT M2x2 Page 49 SAFETY FEATURES General In compliance with EN61010-1:2002 600Vrms, installation category II 300Vrms, installation category III Pollution degree 2 Test voltage 3.7KV, 1minute In compliance with EN61010-1:2002 Directive on electromagnetic compatibility 2004/108/EC In compliance with EN 61326-1: 1998 Protection In compliance with EN60529:1997 Front: IP52...
  • Page 52: Wiring Diagrams And Case Dimensions

    User Manual M2x2/EN M/F iSTAT M2x2 Page 50 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: EXTERNAL WIRING DIAGRAM: SINGLE PHASE (1B)
  • 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 FIGURE 16-7 : CUT OUT FIGURE 16-8: CASE DIMENSIONS...
  • Page 56: Related Documents

    User Manual M2x2/EN M/F iSTAT M2x2 Page 54 RELATED DOCUMENTS Document QDSP: iSTAT Configuration and Analysis Software Manual...
  • Page 57: Appendix A: Modbus Protocol

    M2x2/EN M/F User Manual iSTAT M2x2 Page 55 APPENDIX A: MODBUS PROTOCOL 17.1 Modbus communication protocol Modbus protocol is enabled via the RS232 or RS485 communication port on the M232. Modbus protocol enables operation of the device on Modbus networks. For the M232 the Modbus protocol enables point to point (for example Device to PC) communication via RS232 communication and multi drop communication via RS485 communication.
  • Page 58 User Manual M2x2/EN M/F iSTAT M2x2 Page 56 Parameter Type M233 Compatible M231 Compatible Register map Register map Start Start Total Apparent Power S 30156 30157 30050 30051 Power Factor PF 30166 30167 30060 30061 Power Factor PF 30168 30169 30062 30063 Power Factor PF...
  • Page 59: Register Table For Ieee 754 Measurements

    M2x2/EN M/F User Manual iSTAT M2x2 Page 57 Parameter Type M233 Compatible M231 Compatible Register map Register map Start Start MD Current I 30530 30531 Dynamic Demand Values MD Real Power P (positive) 30510 30511 MD Real Power P (negative) 30512 30513 MD Reactive Power Q −...
  • Page 60 User Manual M2x2/EN M/F iSTAT M2x2 Page 58 Parameter Type M233 Compatible M231 Compatible Register map Register map Start Start T_float 32504 32505 31534 31535 Uavg (phase to neutral) T_float 32506 32507 31516 31517 T_float 32508 32509 31536 31537 T_float 32510 32511 31538...
  • Page 61 M2x2/EN M/F User Manual iSTAT M2x2 Page 59 Parameter Type M233 Compatible M231 Compatible Register map Register map Start Start 23 (angle between U2 and U3) T_float 32580 32581 31 (angle between U3 and U1) T_float 32582 32583 Frequency T_float 32584 32585 U unbalace...
  • Page 62: Register Table For The Normalized Actual Measurements

    User Manual M2x2/EN M/F iSTAT M2x2 Page 60 Parameter Type M233 Compatible M231 Compatible Register map Register map Start Start ENERGY Energy Counter 1 T_float 32638 32639 31500 31501 Energy Counter 2 T_float 32640 32641 31502 31503 Energy Counter 3 T_float 32642 32643...
  • Page 63 M2x2/EN M/F User Manual iSTAT M2x2 Page 61 MODBUS Parameter 100% value Register Type Reactive Power Q 30820 Reactive Power Q 30821 Reactive Power Q 30822 Total Reactive Power Q 30823 Apparent Power S 30824 Apparent Power S 30825 Apparent Power S 30826 Total Apparent Power S 30827...
  • Page 64: 100% Values Calculations For Normalized Measurements

    User Manual M2x2/EN M/F iSTAT M2x2 Page 62 MODBUS Parameter 100% value Register Type MD Apparent Power S 30858 MD Current I 30859 MD Current I 30860 MD Current I 30861 Dynamic Demand Values MD Real Power P (positive) 30862 MD Real Power P (negative) 30863 MD Reactive Power Q −...
  • Page 65: Register Table For The Basic Settings

    M2x2/EN M/F User Manual iSTAT M2x2 Page 63 Rxxxxx are Modbus register numbers, see above and section 18.6 for descriptions. It is suggested that these values are read regularly to ensure any changes made in the settings are incorporated in the calculation. As the nominal input ranges of the M2x2 are 500V and 5A, the Used voltage range and Used Current range need to be set correctly to obtain the highest resolution normalized values.
  • Page 66: Data Types Decoding

    User Manual M2x2/EN M/F iSTAT M2x2 Page 64 17.7 Data types decoding Type Bit mask Description Unsigned Value (16 bit) Example: 12345 = 3039(16) Signed Value (16 bit) Example: -12345 = CFC7(16) Signed Long Value (32 bit) Example: 123456789 = 075B CD 15(16) Short Unsigned float (16 bit) bits # 15…14 Decade Exponent(Unsigned 2 bit)
  • Page 67 M2x2/EN M/F User Manual iSTAT M2x2 Page 65 Type Bit mask Description T_Str4 Text: 4 characters (2 characters for 16 bit register) T_Str6 Text: 6 characters (2 characters for 16 bit register) T_Str8 Text: 8 characters (2 characters for 16 bit register) T_Str16 Text: 16 characters (2 characters for 16 bit register) T_Str40...
  • Page 68: Appendix B: Calculations & Equations

    User Manual M2x2/EN M/F iSTAT M2x2 Page 66 APPENDIX B: CALCULATIONS & EQUATIONS 18.1 Definitions of symbols Symbol Definition Sample factor Average interval Phase voltage (U or U Phase-to-phase voltage (U or U Total number of samples in a period Sample number (0 ≤...
  • Page 69 M2x2/EN M/F User Manual iSTAT M2x2 Page 67   Neutral current    i − n sample of phase current (1, 2 or 3) N = 128 samples in a period (up to 65 Hz) Power Active power by phases N −...
  • Page 70 User Manual M2x2/EN M/F iSTAT M2x2 Page 68 Current THD  − value of first harmonic      n − number of harmonic Phase voltage THD  − value of first harmonic      n −...
  • Page 72 PXXX Product Description Alstom Grid © - ALSTOM 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.

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