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Number of Registers Hi

00 (Hex)

Number of Registers Lo

02(Hex)

CRC Low

60 (Hex)

CRC High

00 (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.
Number of register Lo : Least significant 8 bits of Number of registers requested.

(Note : Two consecutive 16 bit register represent one parameter.

)

Address

(Register)

Parameter

No.

Parameter

Modbus Start Address Hex

High Byte

Low Byte

High Byte

High Byte

40007

4

Sys Voltage

00

06

Read / Write

R

40009

5

Sys Current

00

08

R

40009

5

Sys Current

00

08

R

00

0C

40019

7

Pulse Width

00

R/Wp

00

40015

8

RS 485 Set-up Code

00

R/Wp

00

14

40021

11

Node Address.

00
00

16

40023

12

Pulse Divisor

00

R/Wp

40001

1

Demand Reset

00

00

R/Wp

40003

Demand Period

00

02

R

00

R/Wp

3

00

04

40005

R/Wp

2

Energy on RS485

Demand Period

00

14

40021

11

.

00

R/Wp

00

16

40023

12

Pulse Divisor

00

00

9

00

10

40013

40017

Energy Reset

Run/On Hour & Interruption Reset

W

Wp
Wp

10

0E

12

Table 5 : 4 X register addresses

00

18

40025

13

Min Reset

00

Wp

00

1A

40027

14

Max Reset

00

Wp

46

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Summary of Contents for mfm 3480

Page 1: ...123 Rev A 08 2012 www ziegler instruments com User Manual ZIEGLER mfm 3480 Ziegler Instruments Order No Ziegler mfm 3480 User Manual E1 R0 920716 41 2013 EN Digital Multifunction Instrument Touch Screen Graphics LCD ...

Page 2: ......

Page 3: ...r selection screen 3 2 1 1 Potential transformer Primary value 3 2 1 2 Potential transformer secondary value 3 2 1 3 Current transformer Primary value 3 2 1 4 Current transformer Secondary value 3 2 1 5 Demand integration time 3 2 1 6 Auto Scrolling 3 2 1 7 Low current noise cutoff 3 2 1 8 Energy on RS485 3 2 1 9 Energy Digit Reset Count 3 2 2 1 Address Setting 3 2 2 2 RS 485 Baud rate 1 3 2 2 3 R...

Page 4: ...ection 3 2 4 1 2 5 Energizing delay time 3 2 4 1 2 6 De energizing delay time 3 2 4 2 Relay 2 output selection menu 3 2 4 3 Parameter setting for Analog Output 1 3 2 4 4 Parameter setting for Analog Output 2 3 2 4 Output Option selection screen menu 3 2 3 1 Resetting Parameter 7 Number of Interruption Relay Output 9 6 On Hour 5 Run Hour 8 Analog Output 3 2 5 Brightness Contrast 4 Touch screen cali...

Page 5: ...ent and configure the LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 CT SECONDARY OK 5 AMPERE 1 AMPERE LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAI...

Page 6: ...pparent Power System Power Factor System Phase Angle Kwatts KVAr KVA Degree kVArh Reactive Import Energy 8 Digit resolution kVArh Reactive Export Energy 8 Digit resolution kVAh Apparent Energy 8 Digit resolution Ampere Hour 8 Digit resolution KAh 4 KW Import Demand KW Export Demand Max Current Demand Max kVA Demand Max KW Import Demand Max KW Export Demand Run Hour On Hour KW Amps KVA KW KW KW Hou...

Page 7: ...een 2 System Max Screen 1 System Parameters System Voltage System Current System Active Power SUBMENU 1 SYSTEM KVA Min Angle Max KVAh Ph Y KWh Ph B THD Demand LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 V 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 V 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN V 0 000 0 000 SYSTEM Max VALUES SYSTEM MAIN A V 239 9 5 005 Values System Voltage Angle Max KWh Ph B De...

Page 8: ...EUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 SYSTEM FREQUENCY SYSTEM MAIN Hz 0 000 Screen 7 Screen 8 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 ...

Page 9: ... Current THD Screen 17 Pictorial representation accessed Only through of Current Waveform current submenu list LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE CURRENT WAVEFORM CURRENT MAIN 49 94 Hz 2 500 ms Div 30 00 A Div 42 43 Arms LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0...

Page 10: ...IN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 IMPORT ACTIVE DEMAND POWER MAIN kW kW 0 000 0 000 LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE PHASE WAVEFORM POWER MAIN 116 5 V 49 94 Hz 2 500 ms Div 62 25 V Div 42 43 A 210 4 DE...

Page 11: ...N VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 REACTIVE ENERGY IMPORT ENERGY MAIN 0 0000000 kVArh Reactive Energy Import Reactive Energy Export Screen 36 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 0 000 0 000 0 000 APPARENT ENERGY ENERGY MAIN 0 0000000 kVAh LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL...

Page 12: ...UN HOUR A A FREQUENCY SYSTEM PARAMETERS And CURRENT Min VOLTAGE And CURRENT ON HOUR No OF INTERRUPTIONS CT SECONDARY DEMAND NOISE CUTOFF AUTO SCROLL Sec 3 2 1 5 Sec 3 2 1 7 INTEGRATION TIME LOW CURR POWERFACTOR SYSTEM POWER THD VOLTAGE AND CURRENT Sec 3 2 2 3 PHASEVOLTAGE THD LineCurrent OPTIONS Sec 3 2 4 POWER CHANGE PASSWORD Sec 3 1 ENERGY A A A B A B LINE CURRENT THD DIAGRAM Line to Neutral VOL...

Page 13: ... 1 1 PT SECONDARY Sec 3 2 1 2 CT PRIMARY Sec 3 2 1 3 CT SECONDARY Sec 3 2 1 4 AUTO SCROLL Sec 3 2 1 6 NOISE CUTOFF Sec 3 2 1 7 LOW CURR RS485 Sec 3 2 2 2 BAUD RATE RS485 Sec 3 2 2 2 BAUD RATE ANALOG OUTPUT 1 Analog 1 parameter selection Acc To Table 2 Sec 3 2 4 2 RELAY OUTPUT 2 DEMAND Sec 3 2 1 5 INTEGRATION TIME RESET MAX VOLTAGE CURRENT RESET MIN VOLTAGE CURRENT RESET RUN HOUR ON HOUR RESET AUX ...

Page 14: ...e the User into the Password Protection Entry Stage Section 3 1 After touching SETUP icon Password protection screen is displayed Screen consists of 0 to 9 digit input keypad for entering the password very similar to any calculator in touchscreen mobile Enter Password is displayed on screen at start so that user can enter password using displayed keypad Touching key will display 1 in display area ...

Page 15: ...PASSWORD ACCEPTED If Entered password is wrong then Password Rejected is displayed on screen user need to re enter the password Password Incorrect SETUP PASSWORD REJECTED After wrong password is entered user needs to touch key for trying another password ENTER PASSWORD PRESS ENTER TO TRY AGAIN 13 1 2 3 4 5 6 7 8 9 0 BACK DEL ENTER 1 2 3 4 5 6 7 8 9 0 BACK DEL ENTER 1 2 3 4 5 6 7 8 9 0 BACK DEL ENT...

Page 16: ...NEW PASSWORD PASSWORD PASSWORD CHANGED After entering new password user needs to touch key to After confirming PASSWORD displayed on screen CHANGED is which ensures successful changing of the password ENTER New Password confirmed confirm 3 2 Menu selection After entering in the SUBMENU 6 SETUP user will be asked to enter password after input of correct password list of following parameters will be...

Page 17: ... 15 Here again 0 to 9 digit input keypad is provided to set value of PT Primary user can confirm this value with a simple touch 3 2 1 Primary Value 1 Potential Transformer The nominal full scale voltage will be displayed as Line to Line Voltage LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE PT PRIMARY ENTER PT PRIMARY VALUE L L This screen can be accessed only from system parameter...

Page 18: ...t keypad is provided to set value of PT Secondary user can confirm this value with a simple touch on This screen can be accessed only from system parameters list menu key ENTER LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE PT SECONDARY ENTER PT SECONDARY VALUE L N 16 1 2 3 4 5 6 7 8 9 DEL ENTER 0 K BACK 1 2 3 4 5 6 7 8 9 DEL ENTER 0 K BACK Potential Transformer secondary ranges fo...

Page 19: ... 6 MVA refers to 120 of nominal current and LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE CT PRIMARY ENTER CT PRIMARY VALUE Here again 0 to 9 digit input keypad is provided to set value of CT Primary user can confirm this value with a simple touch on This screen can be accessed only from system parameters list menu key key is used to multiply value by 1000 ENTER K 120 of nominal v...

Page 20: ... VL2 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 0 000 0 000 CT SECONDARY 5 AMPERE 1 AMPERE LINE NEUTRAL VOLTAGE VL2 VL2 VL2 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 0 000 0 000 DEMAND INTEGRATION TIME 8 MINUTES 15 MINUTES 20 MINUTES 30 MINUTES MAIN MAIN MAIN MAIN MAIN MAIN OK BACK return to previous menu Touching the key will keep the old selected...

Page 21: ...eter is in Auto scroll mode Touching on A will show two options ON and OFF Touching on ON will continue auto scrolling touching on OFF will stop auto scrolling return to normal mode 3 2 1 8 ENERGY ON RS485 screen Touching radio button in front of particular option will Three options WATT KILO WATT MEGA WATT are displayed on select that option Touch on key will confirm the setting OK and will retur...

Page 22: ... RS485 option enables the user for setting maximum energy count after which energy will Note Default value is set to 14 i e energy t 14 digit count it will rollover to zero 2 If Energy on RS485 is set to kW energy digit reset count is set to 12 Energy screen on display will show i e energy overflow when energy crosses the 11 digit count 3 If Energy on RS485 is set to MW energy digit reset count is...

Page 23: ...CONDARY 5 AMPERE 1 AMPERE LINE NEUTRAL VOLTAGE VL2 VL2 VL2 VL2 V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 VL2 V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 VL2 V 0 000 0 000 0 000 RS485 BAUD RATE 2400 4800 9600 19200 MAIN MAIN MAIN MAIN MAIN MAIN OK BACK and will Return to previous menu Touching the key will keep the old selected setting BACK 21 1 2 3 4 5 6 7 8 9 0 BACK DEL ENTER ...

Page 24: ...ng Parameter These screens allow the users to reset all the parameters eg Energy Min Max Demand Run hour On hour No of Interrupts 3 2 3 Reset Parameter Selection LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 RESE...

Page 25: ...Y 2 3 2 4 3 ANALOG 1 3 2 4 ANALOG 4 2 3 2 4 1 Relay1 output Selection menu LINE NEUTRAL VOLTAGE VL2 VL2 VL2 V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 V V 0 000 0 000 0 000 CT SECONDARY OK 5 AMPERE 1 AMPERE LINE NEUTRAL VOLTAGE VL2 VL2 VL2 V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 V V 0 000 0 000 0 000 LINE NEUTRAL VOL...

Page 26: ...y will confirm the setting LINE NEUTRAL VOLTAGE VL2 VL2 VL2 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 CT SECONDARY 5 AMPERE 1 AMPERE LINE NEUTRAL VOLTAGE VL2 VL2 VL2 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 RELAY 1 PULSE DURATION 60 MILLI SECONDS 100 MILLI SECONDS 200 MILLI SECONDS MAIN MAIN MAIN MAIN MAIN MAIN OK BACK and will return to previous me...

Page 27: ... ENERGIZED RELAY For detail refer to section 9 2 Touching radio button in front of particular type will select that type Touch on key will confirm the setting Touching the key will keep the old selected setting and will return to previous menu OK BACK LINE NEUTRAL VOLTAGE VL2 VL2 VL2 VL2 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 VL2 LINE NEUTRAL VOLTAGE VL2 VL2 VL2 VL2 CT SECONDARY 5 AMPERE 1 AMPERE LINE N...

Page 28: ...AL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE RELAY 1 TRIP POINT INVALID VALUE If value outside this range is entered it will display INVALID VALUE followed by correct range of parameter 3 2 4 1 2 4 Hysteresis selection This screen applies to the Hysteresis selection LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE RELAY 1 HYSTERESIS SET HYSTERESIS IN This screen allows the us...

Page 29: ...NG DELAY ENTER ENERGIZING DELAY IN SEC Here a 0 to 9 digit input keypad is provided to set value of Delay user can confirm this value with a simple touch on key This screen can be accessed only from Limit Output settings list menu key is used to go back to Limit Output list menu ENTER BACK The allowable range is from 1 to 10 sec If value outside this range is entered it will display INVALID VALUE ...

Page 30: ...TRAL VOLTAGE LINE NEUTRAL VOLTAGE LINE NEUTRAL VOLTAGE VALID RANGE IS 1 10 Secs RELAY 1 DE ENERGIZING DELAY 3 2 4 2 Relay 2 Output Selection Configuration of Relay 2 for Pulse or Limit Output is same as Relay 1 If you Select the Pulse output option for Relay 1 same setting will be applicable for Relay 2 except assignment of energy to Pulse output i e Energy assignment of both relay can be differen...

Page 31: ...rameter for Analog Limit output 2 A 3 2 5 Brightness Contrast The brightness contrast of the TFT LCD screen can be varied by OK Touching the DEFAULT key will set brightness and contrast as per factory settings Touching the BACK key will move back to the setup menu without making any changes the user by sliding the sliders Touching the key will confirm the current brightness contrast setting LINE N...

Page 32: ... VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 Hold the filled circle LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRA...

Page 33: ...ory displayed in the format hours min For example if Displayed count is 000005 18 hrs it indicates 15 hours 18 minutes After 999999 59 On hours display will restart from zero To reset On hour manually see section Resetting Parameter 3 2 3 1 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LINE NEUTRAL VOLTAGE VOLTAGE MAIN VL2 VL2 VL2 VL2 V V V V V 0 000 0 000 0 000 LIN...

Page 34: ...r section 15 for connection details On both modules the output signals are present on pins A1 Analog Output 1 A2 Analog Output 2 32 Diagram 1 4 20 mA These outputs can be individually assigned to represent any one of the measured and displayed Parameters All settlings are user configurable via the user interface screen See Analog o p selection section 3 2 4 3 section 3 2 4 4 for details Note Refer...

Page 35: ... 4 INPUT CURRENT Range 0 100 0 100 0 120 7 ACTIVE POWER No Analog Output Limit Output 33 10 120 10 120 10 120 0 120 10 APPARENT POWER 10 120 13 REACTIVE POWER 0 120 10 120 16 POWER FACTOR 0 180 0 180 0 0 180 0 180 0 19 PHASE ANGLE 0 0 180 0 180 0 180 0 180 0 36 FREQUENCY 45 to 66 Hz 43 WATT DEMAND IMPORT 44 WATT MAX DEMAND IMP 0 120 0 120 10 100 10 120 10 120 1 ...

Page 36: ...elay output Optional This is provided with either 1 or 2 relay for pulse as well as for limit switch instrument output 9 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 This pulse output can be configured to any of the following parameter through setup parameter screen 1 Active Energy ...

Page 37: ...s Divisor 1 10 100 1000 Pulse rate Pulse System Power 1per Wh 1per 10Wh 1per 100Wh 1 per 1000Wh 1per kWh 1per 10kWh 1per 100kWh 1 per 1000kWh 1per Mwh 1per 10MWh 1per 100MWh 1per 1000MWh Up to 3600W Up to 3600W Up to 3600W Up to 3600W Up to 3600kW Up to 3600kW Up to 3600kW Up to 3600kW Above 3600kW Above 3600kW Above 3600kW Above 3600kW TABLE 3 Energy Pulse Rate Divisor 1 For Energy Output in Wh D...

Page 38: ...n with to a set limit The limit switch can be configured in one of the four mode given below 1 Hi alarm Relay Energized Relay 2 Hi alarm De Energized Relay 3 Lo alarm Energized Relay 4 Lo alarm De Energized Relay Limit switch has user selectable Trip point Hysteresis Energizing Delay De Energizing delay Hi Alarm Lo Alarm If Hi Alarm Energized or Hi Alarm De Energized option is selected then relay ...

Page 39: ...alarm Energized or Hi alarm De energized is selected then relay will get De energized or Energized respectively if set parameter value is less than Hysteresis Similarly if Lo alarm Energized or Lo alarm De Energized The energizing delay can be set in the range from1 to 10 sec The De energizing delay can be set in the range from1 to 10 sec Note In case of lo alarm if trip point is set at 100 then m...

Page 40: ...ble and be at bothends of the line The cable should be terminated at each end with a 120 ohm 1 4 Watt min resistor RS 485 network supports maximum length of 1 2km Including the Master a maximum of 32 instruments can be connected in Rs485 network The permissible address range for the is between 1 and 247 for 32 instruments Broadcast Mode address 0 is not allowed instrument The maximum latency time ...

Page 41: ... 1 or 2 bits if no parity Byte format Communication Baud Rate is user selectable from the front panel between 2400 4800 9600 19200 bps Exception Cases An exception code will be generated when the receives ModBus query with valid parity error check but which contains some other error e g Attempt to set floating point variable to an invalid value The response generated will be Function code Ored wit...

Page 42: ... addresses To read parameter Volts 3 Start address 04 Hex Number of registers 02 Note Number of registers Number of parameters x 2 Each Query for reading the data must be restricted to 20 parameters or less Exceeding the 20 parameter limit will cause a ModBus exception code to be returned Query Accessing 3 X register for reading measured values Device Address Function Code Start Address High Start...

Page 43: ...ificant 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 Note Two consecutive 16 bit register represent one parameter Data register 2 Low Byte Least significant 8 bits of Data register 2 of the parameter ...

Page 44: ... 30133 30085 30087 30089 30091 30135 30141 30143 51 52 53 54 67 43 44 45 46 68 71 72 VA Demand VA Max Demand A Demand A Max Demand Volts Ave Max W Demand Import W Max Demand Import W Demand Export W Max Demand Export Volts Ave Min Current Ave Max Current Ave Min 00 00 00 00 00 00 00 00 00 00 00 00 00 64 66 68 6A 84 54 56 5A 58 86 8C 8E 42 30083 42 Ah 00 52 30219 30221 30225 30227 30229 30231 110 1...

Page 45: ...ddress 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 Number of register Lo Least significant 8 bits of Number of registers requested Note Two consecutive 16 bit register represent one parameter Device ...

Page 46: ...ata 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 Note Two consecutive 16 bit register represent one parameter Data register 2 Low Byte Least significant 8 bits of Data register 2 of the parameter requested Example W...

Page 47: ...ta 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 Data register 2 Low Byte Least significant 8 bits of Data register 2 of the parameter requested Note Two consecuti...

Page 48: ...Address Register Parameter No Parameter Modbus Start Address Hex High Byte Low Byte High Byte High Byte 40007 4 Sys Voltage 00 06 Read Write R 40009 5 Sys Current 00 08 R 40009 5 Sys Current 00 08 R 00 0C 40019 7 Pulse Width 00 R Wp 00 40015 8 RS 485 Set up Code 00 R Wp 00 14 40021 11 Node Address 00 00 16 40023 12 Pulse Divisor 00 R Wp 40001 1 Demand Reset 00 00 R Wp 40003 Demand Period 00 02 R 0...

Page 49: ... 00 R Wp 00 38 40057 29 Limit1 delay Off 00 R Wp 00 3A 40059 30 Relay2 output select 00 R Wp 00 3C 40061 31 00 R Wp 00 3E 40063 32 Limit2 Trip point 00 R Wp 00 40 40065 33 Hysteresis Limit2 00 R Wp 00 42 40067 34 Limit2 Delay On 00 R Wp 00 44 40069 35 Limit2 Delay Off 00 R Wp 00 46 40071 36 Password 00 R W 00 48 40073 37 Limit1 Configuration select 00 R Wp 00 4A 40075 38 Limit2 Configuration selec...

Page 50: ...is address is used to set pulse width of the Pulse output Write one of the following values to this address 60 60 ms 100 100 ms 200 200 ms Writing any other value will return error 40015 Reset Energy Counter This address is used to reset the Energy Counter Write zero value to this register to reset the energy counter Writing any other value will return an error 48 Energy display on Modbus This add...

Page 51: ...error 40025 Min Reset This address is used to reset the Min parameters value Write Zero value to this register to reset the Min parameters Writing any other value will return an error 40027 Max Reset This address is used to reset the Max parameters value Write Zero value to this register to reset the Max parameters Writing any other value will return an error 40029 Analog Out 1 Para Set This addre...

Page 52: ...ng floating point numbers instrument This address allows the user to set CT Primary value The maximum settable value is 9999 also depends on the per phase 666 6MVA Restriction of power combined with PT primary 40035 CT Pimary 40039 40031 Analog Out 2 Para Set This address is used to set the parameter for Analog Output 2 Write one of the parameter no As per the options given in Table 2 for Analog L...

Page 53: ...ion is selected then refer table 7 This address is used to set the trip point in Any value between 10 to 100 for Lo alarm 10 to120 for Hi alarm can be written to this address Writing any other value will return an error This address is used to set the hysteresis between 0 5 to 50 Writting any other value will return an error This address is used to set the Energizing delay between 1 to 10 Writting...

Page 54: ...alarm 10 to120 for Hi alarm can be written to this address Writing any other value will return an error This address is used to set the hysteresis between 0 5 to 50 Writting any other value will return an error 40065 40067 This address is used to set the Energizing delay between 1 to 10 Writting any other value will return an error This address is used to set the De Energizing delay between 1 to 1...

Page 55: ...address is used to set the Configuration for relay 2 see table 8 Writting any other value will return an error 40073 Limit1 Configuration Select 40079 30mA Noise current Elimination Limit2 Configuration Select This address is used to set the Configuration for relay 1 see table 8 Writting any other value will return an error This address is used to activate or de activatethe 30 mA noise current eli...

Page 56: ... 02 01 01 01 01 11 04 05 06 07 00 01 02 03 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 4 Export Reactive Energy Apparent Energy Import Reactive Energy Code 1 0 2 3 Configuration Import Active Energy Export Active Energy Table 7 Pulse1 Pulse2 Configuration selec...

Page 57: ...sters addresses that resides in different locations may be accessed by the single request by re mapping them to adjacent address in the user assignable registers area The actual address of the parameters 3X registers addresses which are to be assessed via address 0x200 to 0x226 are specified in 4x Register 0x200 to 0x213 see Table 10 instrument 30513 257 00 Modbus Start Address Hex Assignable Reg ...

Page 58: ...signable Reg 9 Address Register Parameter Number Assignable Register High Byte Low Byte 30531 266 12 02 Assignable Reg 10 Table 10 User Assignable mapping register 4X registers 40514 258 Mapped Add for register 0x0202 02 01 40515 259 Mapped Add for register 0x0204 02 02 260 Mapped Add for register 0x0206 02 03 40516 02 04 40517 261 Mapped Add for register 0x0208 02 05 40518 262 Mapped Add for regi...

Page 59: ...register 0x021C 40528 272 Mapped Add for register 0x021E 40529 273 Mapped Add for register 0x0220 40530 274 Mapped Add for register 0x0222 40531 275 Mapped Add for register 0x0224 40532 276 Mapped Add for register 0x0226 Example Assigning parameter to user assignable registers To access the voltage 3X address 0x0000 and Power Factor 3X address 0x001E through user assignable register assign these a...

Page 60: ...h User Assignable Registers In assigning query Voltage and Power Factor parameters were assigned to 0x 200 and 0x201 Table10 which will point to user assignable 3xregisters 0x200 and 0x202 table9 So to read Voltage and PowerFactor data reading query should be as below Device Address Function Code Start Address High Start Address Low Number of Registers Hi Number of Registers Lo CRC Low CRC High 01...

Page 61: ...er assignable register Number of register Hi Most significant 8 bits of Number of registers requested Number of register Lo Least significant 8 bits of Number of registers requested Note Two consecutive 16 bit register represent one parameter Since two parameters are requested four registers are required Response Voltage 219 30 Power Factor 1 0 01 Hex 04 Hex Device Address Function Code 08 Hex 43 ...

Page 62: ...6 bit 0x203 16 bit 0x202 16 bit 0x204 16 bit 0x205 16 bit 0x206 16 bit 0x207 16 bit 0x224 16 bit 0x225 16 bit 0x226 16 bit 0x227 16 bit 0x200 0x202 0x204 0x206 0x224 0x226 0x200 0x201 0x202 0x203 0x212 0x213 Starting Address 00 Hex 00 Hex 79 Hex 3F Hex 3F Hex 80 Hex Data Register 4 Low Byte CRC High CRC Low Data Register 3 Low Byte Data Register 4 High Byte Data Register 3 High Byte Power Factor 1...

Page 63: ...ers are mapped data can be acquired by using User assignable data register Starting address i e to access data of Voltage Power factor Wh import Frequency send query with starting address 0x200 with number of register 8 or individually parameters can be accessed for example if current1 to be accessed use starting address 0x212 See section Reading Parameter data through User Assignable Registers In...

Page 64: ...ounting is by four side clamps slide the side clamps through side slot till side clamp gets firmly locked in a groove Refer fig Consideration should be given to the space required behind the instrument to allow for bends in the connection cables SLIDE IN THIS DIRECTION AND LOCK PANEL Meter When the instrument displays Active power P with positive sign the connection is Import When the instrument d...

Page 65: ...duct must be installed by a qualified engineer abiding by any local regulations 2 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 3 These products do not have internal fuses therefore external fuses must be used to ensure safety under fault conditions As the fro...

Page 66: ...o restore correct operation The Current inputs of these products are designed for connection in to systems via Current Transformers only where one side is grounded 12 2 Case Dimension and Panel Cut Out 3 78 96mm FRONT DISPLAY AREA 3 78 96mm 3 15 80mm 3 62 92mm PANEL CUTOUT 3 62 92mm MAX PANEL THICKNESS 0 18 5mm 12 3 Wiring Input connections are made directly to screw type terminals with indirect w...

Page 67: ...source remains within the limits from the of the chosen auxiliary voltage 12 5 Fusing It is recommended that all voltage lines are fitted with 1 amp HRC fuses 12 6 Earth Ground Connections For safety reasons CT secondary connections should be grounded in accordance with local regulations 65 SINGLE PHASE DIGITAL METERING SYSTEM P1 S1 L N AUX SUPPLY L N L O A D 2 3 ...

Page 68: ...hase Max continuous input current 120 of Rated Value Nominal input current burden 0 6VA approx per phase Max short duration current input 20 x 1s application repeated Rated Value 5 times at 5 min intervals Auxiliary Standard nominal Auxillary supply voltages Frequency d c supply voltage tolerance 10 10 of Rated Value a c supply frequency range 45 to 66 Hz 100 250V AC DC 45 66Hz 12 48V DC Nominal i...

Page 69: ...5 120 of Rated Value Frequency 40 70 Hz Power Factor 0 5 Lag 1 0 8 Lead Accuracy Voltage 0 5 of range Current 0 5 of range Frequency 0 15 of mid frequency Active Energy 1 0 of range 0 5 of range Active Power 0 5 of range Re Active Power 0 5 of range Apparent Power Apparant Energy 1 0 of range Accuracy 1 Re Active Energy 1 0 of range 67 ...

Page 70: ...Frequency 0 15 of mid frequency Active Energy 0 5 of range 0 5 of range Active Power 0 5 of range Re Active Power 0 5 of range Apparent Power Re Active Energy Apparant Energy 0 5 of range Power Factor 1 of Unity Angle 1 of range Analog Output 1 of Output end value Total Harmonic Distortion Accuracy 0 5 0 5 of range Neutral Current 4 of range 68 1 1 ...

Page 71: ...Active Power 0 2 of range Apparent Power Re Active Energy Apparant Energy 0 2 of range Power Factor 1 of Unity Angle 1 of range Analog Output 1 of Output end value Total Harmonic Distortion 1 Accuracy 0 2 0 2 of range Neutral Current 4 of range Reference conditions for Accuracy 0 23 C 0 2 C 50 or 60Hz 2 Reference temperature Input frequency 69 ...

Page 72: ... 100 of Nominal Value for THD Sinusoidal distortion factor 0 005 Rated Value 1 Input waveform Auxiliary supply voltage Power Factor Phase Angle 40 100 of Nominal Current 50 100 of Nominal Voltage Nominal range of use of influence quantities for measurands 50 120 of Rated Value 10 120 of Rated Value Rated Value 10 0 0 to 50 C Voltage Current Input frequency Temperature Auxiliary supply voltage Auxi...

Page 73: ...0 C Approx 1 seconds Update Display 3 5 Graphical LCD resolution 320x240 pixels TFT LCD Controls Resistive Touch screen User Interface Standards IEC 61326 10V m min Level 3 industrial low level electromagnetic radiation environment IEC 61000 4 3 IEC 61010 1 Year 2001 EMC Immunity Safety IEC 60529 IP for water dust Isolation 2 2 kV RMS 50 Hz for 1 minute between all electrical circuits Dielectric v...

Page 74: ...e Relative humidity Warm up time Shock Vibration Enclosure front only Enclosure 96mm x 96mm DIN Quadratic Polycarbonate Housing Screw type terminals 80 mm 0 620 kg Approx Style Material Terminals Depth Weight Pulse output Option 1 or 2 Relay 1NO 1NC Relay 240VDC 5Amp Switching Voltage Current Switching Voltage Current 1 per Wh up to 3600W 1 per kWh up to 3600kW 1 per MWh above 3600 kW Default Puls...

Page 75: ...ternally powered Pulse rate Divisors Programmable on site 1 per 10Wh up to 3600W 1 per 10kWh up to 3600kW 1 per 10MWh above 3600 kW 10 1 per 100Wh up to 3600W 1 per 100kWh up to 3600kW 1 per 100MWh above 3600 kW 100 1 per 1000Wh up to 3600W 1 per 1000kWh up to 3600kW 1 per 1000MWh above 3600 kW 1000 60ms 100ms or 200ms Pulse Duration Note Above conditions are also applicable for Reactive Apparent ...

Page 76: ... COM Relay 1 15 Connection for Optional Pulse Output RS 485 Analog Output rear view of the instrument 1 One Pulse Output One Limit Output 2 Two Pulse Output Two Limit Output B A Gnd RS 485 3 RS 485 Output 74 A1 A2 Gnd 4 20 mA Gnd 4 Two Analog Output ...

Page 77: ...A Gnd RS 485 5 One Pulse RS 485 Output One Limit 6 One Pulse Two Analog Output One Limit 75 7 RS 485 Two Analog Output A1 A2 Gnd 4 20 mA B A Gnd RS 485 Gnd 8 Pulse Two Analog Output RS 485 Output One One Limit A1 A2 Gnd 0 1mA N O N C COM Relay 2 B A Gnd RS 485 Gnd ...

Page 78: ...cal power installations and is intended to describe the correct method It is the user s responsibility to determine the suitability of the installation method in the of installation for this product user s field conditions 9 Two Pulse RS 485 Output Two Limit N O N C COM Relay 1 N O N C COM Relay 2 B A Gnd RS 485 76 ...

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