Alpha 45 Three Phase Energy Meter Installation & Operating Instructions Section Contents Introduction Measurement Reading Screen Phase Indications Programming 4.1 Password Protection 4.2 Menu selection 4.2.1 System Parameter selection screen 4.2.1.1 System type 4.2.1.2 Potential transformer Primary value 4.2.1.3 Potential transformer secondary value 4.2.1.4 Current transformer Primary value...
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Ultra high brightness LED display. It can be configured & Programmed at site for the following : PT Primary, PT Secondary 3 phase 3W or 3 Phase x1000 4W system. The front panel has two push buttons through which the user can reset the energy &...
Volts Voltage VL2-L3 Voltage VL3-L1 Volts Amps Current L1 Amps Current L2 Amps Current L3 Frequency Active Power (System / Phase (4 wire only) ) Kwatts Reactive Power (System / Phase (4 wire only) KVAr Apparent Power (System / Phase (4 wire only) Power Factor (System / Phase (4 wire only)
Active energy is displayed in 8 digit counter with auto ranging feature. Below given table describes auto ranging with minimum resolution of energy measured in perticular range. When x1000 LED glows the energy is displayed in mega watt. Display Format Minimum resolution X1000 LED 99.999999...
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“LED Von(L3) off & Von(L1, L2) glowing” “LED Von(L1,L2,L3) off ” L3 phase absent & L1, L2 phase present L1,L2,L3 phase absent x1000 x1000 3600 Imp/KWh 3600 Imp/KWh Phase sequence error If all the three LEDs Von(L1,L2,L3) start blinking, it indicates all the three phases are present but phase sequence error has occurred.
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“LED I (L1, L2, L3) glowing” L1, L2, L3 phase current reverse x1000 3600 Imp/KWh Setup Parameter Screen (PassWord ) Exit from setup Parameter to Main Display (Select) rESEt SEriAL quit rELAY Serial Communication Parameter) Reset Select System Parameter (Select Relay Parameter) (Exit Menu) Parameter) (Sec 4.2.2)
4. Programming The following sections comprise step by step procedures for configuring the meter for individual user requirements. To access the set-up screens press and hold the “ Down” and “ Up” Key simultaneously for 5 seconds. This will take the User into the Password Protection Entry Stage (Section 4.1). 4.1.
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Enter Password, second digit entered, prompt for third digit. (* Denotes that decimal point will be flashing). x1000 Use the “ Down” key to scroll the value of the third digit from 0 through to 9, the value will wrap from 9 round to 0.
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Password confirmed. Pressing “ Down” key will advance to the “New / change Password” entry stage. x1000 Pressing the “ Up” key will advance to the Menu selection screen. (See section 4.2). 3600 Imp/KWh Password Incorrect. The unit has not accepted the Password entered. x1000 Pressing the "...
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New / Change Password, first digit entered, prompting for second digit. (*Decimal point indicates that this will be flashing). x1000 Pressing the “ Down” key will scroll the value of the second digit from 0 through to 9, the value will wrap from 9 round to 0.
New Password confirmed. Pressing the “ Down” key will return to the “New/ChangePassword”. x1000 Pressing the “ Up” key will advances to the Menu selection screen.(see section 4.2). 3600 Imp/KWh 4.2 Menu selection. 4.2.1 System Parameter selection screen. This menu screen is used to select the different system Parameter like “system type,””CT Ratio”,”PT Ratio”, Pressing the “...
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4.2.3 Reset Parameter selection screen. This menu screen is used to Reset the energy parameter . Pressing the “ Up” key allows the user to Reset energy system parameter (see section 4.2.3.1) x1000 Pressing the “ down key ” will advance to Output Option selection screen (see section 4.2.4).
4.2.1 System parameters Selection 4.2.1.1 System Type This screen is used to set the system type. System type ”3” for 3 phase 3 wire & “4” for 3 phase 4 wire system. Pressing the “ Up” key accepts the present value and advances to the “Potential transformer x1000 primary value Edit”...
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Pressing the “ Up” key accepts the present value and advances to the “potential Transformer secondary Value edit” menu. (See Section 4.2.1.3) x1000 Pressing the “ Down” key will enter the “Potential Transformer Primary Value Edit” mode. Initially the “multiplier must be selected, pressing the “ 3600 Imp/KWh Down”...
Screen showing display of 0.415 kV i.e. 415 Volts indicating steady decimal point and cursor flashing at the “hundreds of volts” position. Potential Transformer Primary Value Confirmation This screen will only appear following an edit of the Potential Transformer Primary Value. x1000 If the scaling is not correct, pressing the “...
Pressing the “ Up” key accepts the present value at the cursor position and advances the cursor to the next less significant digit. Potential Transformer secondary ranges for various Input Voltages 110V L-L (63.5V L-N) 100 - 120V L-L (57V - 69V L-N) 230V L-L (133.0V L-N) 121 - 239V L-L (70V - 139V L-N) 415V L-L (239.6V L-N)
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Pressing the “ Down” key will enter the “Current Transformer Primary Value Edit” mode. This will scroll the value of the most significant digit from 0 through to 9, x1000 unless the presently displayed Current Transformer Primary Value together with the Potential Transformer Primary Value results in a maximum power of greater 3600 Imp/KWh than 1000 MVA in which case the digit range will be...
3.2.1.5. Energy Display on modbus This screen enable user to set energy in terms of Wh / KWh / MWh on RS 485 Output depending as per the requirement. Pressing “ Up” key accepts the presents value and advances to the “Energy digit Rollover(reset) count” menu (See section 3.2.1.10).
3.2.1.6 Energy Digit Rollover(reset) count : This screen enables user for setting maximum energy count after which energy will rollback to zero depends upon setting of Wh,KWh, & MWh. x1000 Pressing the “ Up” key sets the displayed value and will jump back to the system parameter selection (See Section 4.2.1) 3600 Imp/KWh...
4.2.2 Communication Parameter Selection : 4.2.2.1 Address Setting : This screen applies to the RS 485 output only. This screen allows the user to set RS485 parameter for instruments The range of allowable address is 1 to 247 . Enter Address, prompt for first digit. x1000 (* Denotes that decimal point will be flashing).
Enter Address for third digit . Press the “ Up” key to advance to Address confirmation Screen. x1000 3600 Imp/KWh Address confirmation Screen. This Screen confirms the Address set by user . x1000 x1000 Press the “ Up” key to advance to next Screen “Rs485 Baud Rate”...
RS 485 Baud Rate confirmation : Pressing “ Down” key will be re-enter into the. Baud Rate Edit mode x1000 Pressing the “ Up” key will select the value and advances to the Parity Selection (See Section 4.2.2.3). 3600 Imp/KWh 4.2.2.3 RS 485 Parity Selection : This screen allows the user to set Parity &...
3.2.3 Reset Parameter Selection : 3.2.3.1 Resetting Parameter The following screens allow the users to reset the all Energy. Reset (None) Pressing “ Up” key advances to menu selection screen (see section 4.2) x1000 Pressing the “ Down” key will enter the “Reset option” mode and scroll through Parameter and wrapping back to None.
4.2.4. Relay output menu 4.2.4.1 Pulse Duration Selection: This screen applies only to the Pulsed output mode of the relay This screen allows the user to set Relay energisation time in milliseconds. Pulse Duration Edit. Pressing “ Up” key accepts the present value and advance to pulse rate selection menu (see section 4.2.4.2).
4.2.4.2 Pulse Rate This screen applies to the Relay Output option only. The screen allows user to set the energy pulse rate divisor. Divisor values can be selected through 1,10,100,1000. Pressing “ Up” key accepts the presents value and advances to the “Menu Selection Screen” (See section 4.2.4.).
5. Relay output (Optional) : 5.1 Pulse Output : Pulse output is the potential free, very fast acting relay contact which can be used to drive an external mechanical counter for energy measurement. Rish EM 3490 SS has one pulse output. One normally open &...
2. For Energy Output in KWh 3. For Energy Output in MWh Pulse rate Pulse rate Pulse Divisor System Power* Divisor Pulse System Power* 1 per KWhr 1per MWhr Up to 3600W Up to 3600W 1 per 1000KWhr Up to 3600kW Up to 3600kW 1per 1000MWhr 1per 1000MWhr...
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The each byte in RTU mode has following format: 8-bit binary, hexadecimal 0-9, A-F 2 hexadecimal characters contained in each 8-bit field of the message Format of Data Bytes 4 bytes (32 bits) per parameter. Floating point format ( to IEEE 754) Most significant byte first (Alternative least significant byte first) Error Checking Bytes 2 byte Cyclical Redundancy Check (CRC)
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Illegal function The function code is not supported by meter. Attempt to access an invalid address or an attempt to read Illegal Data or write part of a floating point value Address Attempt to set a floating point variable to an invalid value Illegal Data Value Accessing 3 X register for reading measured values:...
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Response: Volt3 (219.25V) 01 (Hex) 04 (Hex) 04 (Hex) 43 (Hex) 5B (Hex) 41 (Hex) 21 (Hex) 6F (Hex) 9B (Hex) Device Function Byte Data Register1 Data Register2 Data Register1 Data Register2 Low Byte Address Code High Byte Low Byte High High Byte Count...
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30067 Phase Angle Ave 30069 Phase Angle Sum 30071 30071 Freq Freq 30073 30081 VL 1 - 2 ( Calculated ) 30201 VL 2 - 3 ( Calculated ) 30203 VL 3 - 1 ( Calculated ) 30205 Note : Parameters 1,2,3 are L-N Voltage for 3P 4W & L-L Voltage for 3P 3W . Note : Active Energy reading received will be in Watt Hours.
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Number of Registers Lo 02 (Hex) E4 (Hex) CRC Low CRC High 09 (Hex) Start Address High : Most significant 8 bits of starting address of the parameter requested. Start Address low :Least significant 8 bits of starting address of the parameter requested. Number of register Hi : Most significant 8 bits of Number of registers requested.
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Byte Count : Total number of data bytes received. Data register 1 High Byte : Most significant 8 bits of Data register 1 of the parameter requested. Data register 1 Low Byte : Least significant 8 bits of Data register 1 of the parameter requested. Data register 2 High Byte : Most significant 8 bits of Data register 2 of the parameter requested.
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Byte Count : Total number of data bytes to be transmitted. Data register 1 High Byte : Most significant 8 bits of Data register 1 of the parameter requested. Data register 1 Low Byte : Least significant 8 bits of Data register 1 of the parameter requested. Data register 2 High Byte : Most significant 8 bits of Data register 2 of the parameter requested.
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Table 5 : 4 X register addresses Parameter Modbus Start Address Hex Address Parameter Read / Write High Byte High Byte High Byte Low Byte (Register) Energy Display on Modbus 40005 R/Wp 40007 Sys Voltage 40009 40009 Sys Current Sys Current 40011 Sys Type R/Wp...
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Address Parameter Description This address is used to set the System type. System 40011 Write one of the following value to this address. Type 2 = 3 Phase 3 Wire 3 = 3 Phase 4 Wire. Writing any other value will return error . pulse width This address is used to set of the Pulse output.
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Address Parameter Description PT Primary This address allows the user to set PT Primary value. 40033 The maximum settable value is 400kV (3p4w) / 692.8kV (3p3w) & also depends on the per phase 1000MVA Restriction of power combined with CT primary. PT primary value should be in terms of voltage for example to set 2kV send 2000V.
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Address Description Parameter This address is used to set & reset the password. Password 40071 Valid Range of Password can be set is 0000 - 9999 . 1) If password lock is present & if this location is read it will return zero.
4800 EVEN 4800 2400 NONE 2400 NONE 2400 EVEN 2400 NOTE : Codes not listed in the table above may give rise to unpredictable results including loss of communication. Excise caution when attempting to change mode via direct Modbus writes. 6.1 User Assignable Modbus Registers: The meter contains the 20 user assignable registers in the address range of 0x200 (30513) to 0x226 (30551) (see Table 9).
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Mapped Add for register #0x020E 40520 40521 Mapped Add for register #0x0210 40522 Mapped Add for register #0x0212 40523 Mapped Add for register #0x0214 40524 Mapped Add for register #0x0216 40527 Mapped Add for register #0x0218 40528 Mapped Add for register #0x021A Mapped Add for register #0x021C 40529 Mapped Add for register #0x021E...
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Number of Registers Lo 02(Hex)* Byte Count 04 (Hex) Data Register-1High Byte 00 (Hex) Voltage 2 * (3X Address 0x0002) Data Register-1 Low Byte 02 (Hex) Power Factor 1 * Data Register-2 High Byte 00 (Hex) (3X Address 0x001E) Data Register-2 Low Byte 1E (Hex) CB (Hex) CRC Low...
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Reading Parameter data through User Assignable Registers: In assigning query Voltage2 and Power Factor1 parameters were assigned to 0x 200 and 0x201(Table10) which will point to user assignable 3xregisters 0x200 and 0x202 (table9). So to read Voltage2 and PowerFactor1 data reading query should be as below. Query: 01 (Hex) Device Address...
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Response : (Volt2 = 219.30 / Power Factor1 = 1.0) 01 (Hex) Device Address 04 (Hex) Function Code Byte count 08 (Hex) Data Register-1High Byte 43 (Hex) Data Register-1 Low Byte 5B (Hex) Voltage 2 Data Data Register-2 High Byte 4E (Hex) Data Register-2 Low Byte 04 (Hex)
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User Assignable mapping Registers User Assignable Data Registers ( 4X Registers Table10 ) ( 3X Registers Table 9 ) (Starting Address) (Starting Address) 0x201 0x200 0x200 0x200 Voltage 2 (0x0002) (16 bit) (16 bit) 0x203 0x202 0x201 0x202 Power Factor 1 (0x001E) (16 bit) (16 bit) 0x204...
7. Phaser Diagram : Capacitive Inductive Capacitive Inductive Sign of Sign of Sign of Inductive / Connections Quadrant Active Reactive Power Capacitive Power ( P ) Power ( Q ) Factor ( PF ) Import Import Export Export Inductive means Current lags Voltage Capacitive means Current leads Voltage...
Note : Though meter displays Active power ( P )with “ + ” ( Positive sign ) or “ - ” ( negative sign ) depending on External CT Connection, Energy (kWh ) integration will be in done same register irrespective of Import or Export connection 8.
Caution In the interest of safety and functionality this product must be installed by a qualified engineer, abiding by any local regulations. Voltages dangerous to human life are present at some of the terminal connections of this unit. Ensure that all supplies are de-energised before attempting any connection or disconnection.
4. ESD precautions must be taken at all times when handling this product. 8.2 Case Dimension and Panel Cut Out 3.78” 3.15” 3.62” 96mm 80mm 92mm 3.62” 3.78” FRONT DISPLAY PANEL CUTOUT 92mm 96mm AREA MAX PANEL THICKNESS 0.18”,5mm 8.3 Wiring Input connections are made directly to screw-type terminals with indirect wire pressure.
10. Specification : System 3 Phase 3 Wire / 4 Wire programmable at site Inputs Nominal input voltage 57.7 V to 277V (100V to 480 V ) (Three wire and Four wire) Max continuous input 120% of Rated Value voltage Max short duration input 2 x Rated Value voltage...
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Auxiliary Standard nominal Auxillary 110V /50 Hz , 230V /50 Hz , supply voltages & Frequency 380V AC/50 Hz ,100 - 250V AC- DC, 12 - 48V DC a.c. supply voltage tolerance +20 % / -15 % of Rated Value a.c.
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Accuracy Class 1.0 : + 1 % as per IEC 62053-21 Active Energy Active P.F. (0.5 lag ... 1 ... 0.8 lead) + 1 % Apparant Energy Accuracy Class 5.0 (Optional) : + 0.5 % as per IEC 62053-21 Active Energy Active P.F.
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0.025% / C for Voltage Temperature Coefficient (50..120% of Rated Value) (For Rated value range of use 0... 50 C ) 0.05% / C for Current ( 10..120% of Rated Value ) Error change due to variation of an 2 * Error allowed for the reference influence quantity condition applied in the test.
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Environmental Operating temperature -10 to 55 C Storage temperature -20 to +65 C Relative humidity 0 .. 90 % RH Warm up time 3 minute (minimum) Shock 15g in 3 planes Vibration 10 .. 55 Hz, 0.15mm amplitude Enclosure ( front only ) IP 54 as per IEC 60529 Enclosure Style...
11. Connection for Optional Pulse Output / RS 485 11.1 One Pulse Output & RS485 Pulse out RS 485 NO NC COM 11.2. RS 485 Output RS 485...
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11.3. One Pulse Output Pulse out NO NC COM...
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WARRANTY Dear Sir, You are now the privileged owner of Multi Function Meter / accessories, a product that ranks the first of its kind in the world. Company provides 12 months warranty from the original date of Purchase against defective material and workmanship. In the unlikely event of failure of this meter / accessaries within the warranty period, Company undertakes to get the meter / accessories repaired free of charge, Please hand over the meter / accessories to the dealer / stockist from whom...
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7) Seal provided inside is broken. In case of dispute to the validity of the warranty, the decision of services center will be final. If you bought this meter / accessories directly from the company, and if you notice transit damage, then you must obtain the insurance surveyors report and forward it.
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I N S T R U M E N T A T I O N Distributed by: Manufactured by: Veracious Canada Inc Sifam Tinsley Instrumentation Inc 1101 Britannia Rd E, 3105 Creekside Village Dr, Mississauga, ON L4W 3X1 Unit 801, Kennesaw GA 30144...
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