ENTES MPR-53S-DIN Network Analyzer User Manual

The Entes MPR-53-96 is a powerful network analyzer that provides real-time monitoring of various electrical parameters, helping you to optimize energy usage and identify potential issues. With its advanced features, it offers a range of capabilities:

Comprehensive Measurement: Measures voltage (VLN, VLL), current (A), active power (W), reactive power (VAr), apparent power (VA), power factor (Cosj), energy consumption (kWh, kVArh), total harmonic distortion (THD), and frequency (Hz).
Total Active and Reactive Power Calculation: Calculates total active (SW) and total reactive power (SVAr) based on import/export values or direction.

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NETWORK ANALYSER

MPR-53/53S

TECHNICAL DATA

Operating Voltage (Un)

Operating frequency (f)

: Please look behind the device.

: 45-65 Hz

Auxiliary supply Power Consumption : < 4 VA

Measuring Input Power Consumption: < 1VA

VIn : 10-300 V AC 45-65 Hz. (L-N)

: 10-500 V AC 45-65 Hz. (L-L)

IIn : 0.05 - 5.5 A~

Measuring Range

2-120 A~ (for CT-25)

: 10V...200 kV AC

: 0...215 M (W,VAr,VA)

: 99999999999.9 kWh, kVArh

Class

Voltage Transformer Ratio (Vtr)

Current Transformer Ratio (Ctr)

Max. Ctr x Vtr

: 1% ± 1 digit [(10%-110%) xFull Scale]

: 0,1 ... 4000,0

: 1 ... 2000

: 40.000

Demand Time

Serial Interface (for MPR-53S)

Baud Rate (for MPR-53S)

Address (for MPR-53S)

Parity (for MPR-53S)

Pulse Output

Switch Period

Operation Current

Operation Voltage

Input

Ambient Temperature

Display

Dimensions

Equipment Protection Class

Box Protection Class

: 1-60 min. (programmable)

: MODBUS RTU (RS 485)

Optically Isolated, programmable

: 2400-38400 bps

: 1-247

: No, Odd, Even, 8 Data bits, 2 Stop Bits

: NPN Transistor

: Min. 100 msec pulse perriod

80 msec pulse width

: Max. 50 mA

: 5.....24 V DC, max. 30 VDC

: 12...48 V AC / DC

: -5°C; +50°C

: Red LED Display

: PR-19, PK-26

: Double Insulation-Class II ( )

: IP 40 (front panel)

Box Material

Installation

: Non-flammable

: Panel Mounted (PR-19)

Rail Mounted (PK-26)

Wire Crossection (for terminal block) : 2.5 mm

Weight

Installation Category

: 0.45 kg (PR-19, PK-26)

: Class III

Factory Settings

Transformer :

Ctr (Current Transformer Ratio) : 0001 trn (Turn number for CT-25 device): 01

Utr (Voltage Transformer Ratio) : 0001.0

CAL (Calculation Method) : 1

Eng Cnt :

E-1 (Energy Counter 1) : on

E-2 (Energy Counter 2) : on

Pin : 0000 (Not Activated)

PULSE : rAt (Ratio) : 1k o-1 (Output 1) : A-I o-2 (Output 2) : r-L

RS-485 :

Adr (Address) : 1

Bau (Baud Rate) : 9600

PAr (Parity) : no

dEtý (Delay Time) : 15

PRECAUTIONS FOR INSTALLATION AND SAFE USE

In CT-25 (120A) compliant models, only CT-25 current transformer must be used.

Other type of CTs have a high risk to damage to device.

Failure to follow those instructions will result in death or serious injury.

- Disconnect all power before working on equipment..

- When the device is connected to the network, do not remove the front panel.

- Do not try to clean the device with solvent or the like.Only clean with dry cloth.

- Verify correct terminal connections when wiring.

- Electrical equipment should be serviced only by your component seller.

- Only for rack panel mounting.

No responsibility is assured by the manufacturer or any of its subsidiaries for any consequences arising out of the use of this material.

A3918/Rev.4

NETWORK ANALYSER

MPR-53/53S

General

MPR-53/53S is developed for measuring all the electrical parameters on the network. Measured parameters are shown in 5 separate displays.This allows to monitor more than 50 parameters at the same time. MPR-53S has also

MODBUS serial interface feature.

Phase

Displays

SW, SVA and

Hz Display

SVAr and

Cosj Display

Back button

ESC button

Phase

Displays

UP button

DOWN button

Max. LED

SET

Minimum LED

Demand LED

DOWN

Max. LED

SET

Minimum LED

Demand LED

SW, SVA and Hz

Display

SVAr ve Cosj

Display

Back ESC

Using of MPR-53/53S:

Parameters are shown in L1, L2, L3 displays (V

; V

; A; I

; W; VAr; VA; Cosj; kWh, kVarh, THD) by using up-down buttons. Total Active (SW), Total Apparent

Power (SVA) and Frequency (Hz) are selected by back button.

Total Reactive Power (SVAr) and Cosj are selected by Esc button.

Digital Inputs

MPR-53/53S has 2 digital inputs which are used to monitor the status of electrical contacts. Digital input has 2 functions :

- Enabling remote control of the data received through the digital input terminal

(battery, thermostat, circuit breaker, pumps status)

- Controlling energy counters and determining which energy counter will be

active (Example: It is used for measuring of energy separately at the using of network and generator).

Energy Pulse Outputs

MPR-53/53S has 2 Energy Pulse Outputs. These outputs give the pulses only for E-1 (Energy Counter).

Pul1 and Pul2: In o-1 (Pulse1), o-2 (Pulse2) menus which are in the pulse menu, device give pulse according to selected energy parameters as [Active energy (ACt, A-I, A-E), Reactive energy (rEA, r-L, r-C)].

Please refer to the pulse menu for the coefficients of energies.

Monitoring of Min.,Max. and Max. Demand Values:

Min. and max. values are defined for V

, V

, A, W, VAr, VA, SW, SVAr, SVA; demand values are defined for A, W, VAr, VA, SW, SVA, SVAr.

If measured instant value is smaller than min. value which was stored before, it is stored as new min. value. If measured instant value is greater than max.

value which was stored before, it is stored as new max. value.

Demand value is the average value of the measured values in demand time

(15 minute).

If one of defined parameters is displayed (ie. A) when deman button is pressed min., max or max. demand values are displayed. When an undefined parameter is displayed (ie. Cosj) if demand button is pressed, instant value is continued to display.

Monitoring THD Values

When V

and THD leds light on, voltage THD is monitored and also if A and THD leds light on, current THD is monitored.

Monitoring Neutral Current

Neutral current can be monitored by scrolling after 3-phases current values has displayed.

H-L-M LEDs

H-L-M LEDs are dedicated to displaying the min., max. and max. demand values according to selected parameters.

H: Maximum Value, L: Minimum Value, M: Max. Demand Value

Calculation Methods for Active / Reactive Power Values

If the led on the most left side blinks it represents that active powers / reactive powers direction is negative.

There are two methods for calculating total active and total reactive powers:

1) Active / Reactive power can be calculated by summing import and export values and displaying as a single value.

2) Active / Reactive power can be calculated according to direction as import / export.

Note :

1) The dot at the most right digit of the fourth display (During SW is displayed) represents that displayed value is export active power value.

Vice versa, displayed value is import active power value.

2) The dot at the most right digit of the fourth display (During SVAr is displayed) represents that displayed value is capacitive reactive power value. Vice versa, displayed value is inductive reactive power value.

3) The displayed parameter will not change if power is off after 30 seconds of stand-by (ie. A).

Measured Parameters:

(Phase Voltage )

(Phase to Phase Voltage)

Cosj THD (Total Harmonic Distortion)

AI ( kWh) (Import Active Energy I) Hz. (Frequency)

A (Phase Current, Neutral Current) AE (kWh) (Export Active Energy)

W (Active Power)

SW (Total Active Power) rI (kVArh) (Import Reactive Energy) SVAr (Total Reactive Power)

VAr (Reactive Power)

VA (Apparent Power) rE(kVArh) (Export Reactive Energy) SVA (Total Apparent Power)

FUNCTIONS OF BUTTONS

In the monitoring mode, it is used to switch between

, V

, A, W, VAr, VA, Cosj, kWh, kVarh, THD) parameters.

At the programming mode, it provides to increase value of desired parameter and pass to the next menu.

In the monitoring mode, it is used to pass between

, V

, A, W, VAr, VA, Cosj, kWh, kVarh, THD) parameters.

At the programming mode, it provides to decrease value of desired parameter and pass to the prevides menu.

(SET) In the monitoring mode, it is used to switch between min., max., demand and instant values. When it is pressed for 3 seconds, programming mode it is entered.

In the programming mode, it is used for saving parameters and moving to the sub menu.

(Back) In the monitoring mode, it is used to switch between SW, SVA and Hz parameters. It used to switch to the previous digit in submenu.

(ESC) In the monitoring mode, it provides to switch between SVAr and Cosj values. In the programming mode, it is used to enter to the upper menu or it is used to quit from the programming mode without saving values.

If user password is activated and set button is pressed for 3 seconds, a pin code is required in order to enter to the menu.

Current Transformer Ratio Setup

In this menu, current transformer ratio is set between 1 - 2000.

Note: If the current transformer is not used between the system and MPR-53/53S, current transformer ratio is entered as 1.

Example: If a current transformer which has a ratio of 250/5A is used between the system and MPR-53/53S; Current transformer ratio is entered as 50 (250/5).

Press SET button for 3 seconds (trA Fo menu is displayed)

Press SET button; trA Fo Ctr menu is displayed (In CT-25 adapted devices, trA Fo trn is displayed instead.)

(Not: trA Fo Utr menu can be displayed by scrolling the UP/DOWN buttons.)

Press SET button. Blinking the first digit of displayed value appears.

(trA Fo Utr menu can be programmed similarly.)

Enter the blinking digit value by scrolling UP/DOWN buttons.

Switch to the other digits by using SET button, use BACK button to go to previous digit. After you entered the last digit press SET button, trA Fo Ctr / trA Fo trn / trA Fo Utr is displayed. on can be selected by scrolling UP/DOWN buttons. (Data is entered but is not activated yet. For activating the new data please follow the below steps).

Press ESC button one by one until SAU E SEt yES is displayed.

Press SET button. When SAU E SEt yES is displayed, if you press ESC button or choose no option instead of yES option by using UP-DOWN buttons, new data will be cancelled and previous value will be activated.

NETWORK ANALYSER

MPR-53/53S

Programming the Turn Number:

This menu is available for CT-25 adapted devices. User enter the turn number, which is the number of how many tour the current cable has rounded into the CT-25. Numbers can be selected between 1-20. Greater the number of turn means greater the sensivity.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

2.00

1.00

0.66

0.50

0.40

0.33

0.28

0.24

0.22

0.20

0.18

0.16

0.15

0.14

0.13

0.12

0.11

0.10

120 60.0

40.0

30.0

24.0

20.0

17.1

15.0

13.3

12.0

10.9

10.0

9.23

8.57

8.00

7.50

7.05

6.66

6.31

6.00

Voltage Transformer Ratio Setup

In this menu, voltage transformer ratio is set between

0000,1 - 4000,0.

Note: If the voltage transformer is not used between the system and MPR-53/53S, voltage transformer ratio is entered as 1.

Example: If a voltage transformer which has a ratio of 34.5KV/100V is used between the system and MPR-53/53S; Voltage transformer ratio is entered as 345. (34500/100)

Reactive Energy Calculation Method Setting

Three different methods exist for reactive energy calculation in

MPR-53/53S. Brief informations about these methods are explained in below table.

Related values which must be entered in the menu are also indicated in the table in order to select reactive power calculation method for mechanical and digital energymeters.

Mechanical Energymeter

(Vectoral summation of 3-phase)

Digital Energymeter

(Each phase seperately)

Reactive Energy

(Q)

0 1

Description

90° rotation of voltage vector and multiply with current

It is the most preferred reactive power calculation methode.

2 3

S V n

.sin(j n

) n=1

Total value of the multiplication of Vn and In values up to 19 th harmonics. This calculation methode is mostly preferred for network analysers.

4 5 S 2 -P 2

Power Triangle Methode : According to this methode;

Q = S 2 -P 2

(Q : Reactive power, S : Active power, P : Apparent power)

Press SET button for 3 seconds (trA Fo menu is displayed)

Press SET button (trA Fo Ctr menu is displayed)

By using UP-DOWN buttons, find

CAL CUL Atý on menu.

Press SET button. (Most right digit of 5th display blinks)

By using UP-DOWN buttons, select energy calculation method.

Press set button, CAL CUL Atý on is displayed. (Data is entered but is not activated yet. For activating the new data please follow the below steps.)

Press ESC button one by one until SAU E SEt yES is displayed.

Demand Time Setup:

In this menu,demand time is set between 1-60 minutes.

Press SET button for 3 sec. (trA Fo menu is displayed)

By using UP-DOWN buttons find

dE tý menu.

Press SET button (First digit blinks.)

Enter the blinking digit value by scrolling UP/DOWN buttons.

Switch to the other digits by using SET button, use BACK button to go to previous digit. After you entered the last digit press SET button, dE tý is displayed. (Data is entered but is not activated yet. For activating the new data please follow the below steps).

Press ESC button one by one until (SAU E SEt yES) is displayed.

Monitoring and Erasing of minimum, maximum and energy values:

In this menu, values of min.,max. or energy counters are erased.

It saves the instantaneously measured min. and max. values of

MPR-53/53S into its memory. Please kindly look at to the section of FUNCTIONS OF BUTTONS for min. and max. values.

Note : Measured electrical parameters which are saved to the memory are not affected from the electric interruptions.

In the rESEt menu; when you quit from all menus, if you confirm the changes,min. and max. values of all parameters or energy counter values are erased at the same time.

For erasing the values of min. and max. or energy counter,

In the measurement mode :

Press SET button for 3 seconds (trA Fo menu is displayed)

By using UP-DOWN buttons, find rES Et menu.

Press SET button.

(rESEt HL menu is displayed)

By using UP-DOWN buttons, select which parameter you want to reset.

Press SET button, one of the parameter rES Et dE / rES Et HL / rES Et E-1 / rES Et E-2 is displayed.

By using UP-DOWN buttons, if you want to delete the min., max., max. demand or energy; select yES otherwise select no option.

Press SET button. (rES Et dE / rES Et HL / rES Et E-1 / rES Et E-

2 is displayed. Data is entered but is not activated yet. For activating the new data please follow the below steps.)

Press ESC button one by one until (SAU E SEt yES) is displayed.

NETWORK ANALYSER

MPR-53/53S

PK 26 Box Connection Diagram

Max: 30 VDC

(12-48V DC)

- + - +

Gnd A B

RS-485

Auxiliary

Supply

Voltage Measuring Input Current Measuring Input

L1 L2 L3 N

3 Phase neutral k

K l

L k

K l

L k

K l

Max: 30 VDC

(12-48V DC)

- + - +

Gnd A B

RS-485

Auxiliary

Supply

Voltage Measuring Input Current Measuring Input

L1 L2 L3 N

N k

K l

L k

K l

L k

K L l

3 Phase without neutral

*Available only for MPR-53S

Note: For CT-25 models: k: When CT-25 is used, Red cable is connected to k terminal.

l: When CT-25 is used, Black cable is connected to l terminal.

Max: 30 VDC

(12-48V DC)

- + - +

Gnd A B

RS-485

Auxiliary

Supply

Voltage Measuring Input Current Measuring Input

L1 L2 L3 N

1A N

L3 k

3 Phase without neutral current input with

Aron wiring configuration l

L k

K l

Max: 30 VDC

(12-48V DC)

- + - +

Gnd A B

RS-485

Auxiliary

Supply

Voltage Measuring Input Current Measuring Input

L1 L2 L3 N

L2 k

3 Phase without neutral current input with

Aron wiring configuration

L l k

K L l

NETWORK ANALYSER

MPR-53/53S

PR 19 Box Connection Diagram

3 Phase neutral k

K L l k

Max: 30 VDC

2 3 4 5

Current Measuring Input

Pul C

( 12-48V DC )

InC In1 In2

13 14 15 16 17 18

RS485

19 20 21 22

GND B A TR

Pul 1 Pul 2

Voltage Measuring Input

Auxiliary

Supply

11 12

L l

L3 k

K L l k

K L l

Max: 30 VDC

2 3 4 5

Current Measuring Input

Pul C

( 12-48V DC )

InC In1 In2

13 14 15 16 17 18

RS485

19 20 21 22

GND B A TR

Pul 1 Pul 2

Voltage Measuring Input

L2 L3 N

8 9 10

Auxiliary

Supply

11 12

3 Phase without neutral current input with

Aron wiring configuration

L3 k

K L l k

Max: 30 VDC

2 3 4 5

Current Measuring Input

Pul C

( 12-48V DC )

InC In1 In2

13 14 15 16 17 18

Pul 1 Pul 2

RS485

19 20 21 22

GND B A TR

Voltage Measuring Input

Auxiliary

Supply

11 12

L l

3 Phase without neutral

*Available only for MPR-53S

Note: For CT-25 models: k: When CT-25 is used, Red cable is connected to k terminal.

l: When CT-25 is used, Black cable is connected to l terminal.

L3 k

K L l k

K L l

Max: 30 VDC

2 3 4 5

Current Measuring Input

Pul C

( 12-48V DC )

InC In1 In2

13 14 15 16 17 18

RS485

19 20 21 22

GND B A TR

Pul 1 Pul 2

Voltage Measuring Input

Auxiliary

Supply

11 12

3 Phase without neutral current input with

Aron wiring configuration

NETWORK ANALYSER

MPR-53/53S

Pulse Menu

In this menu, three parameters can be selected :

PUL SE rAt ýo, PUL SE o-1, PUL SE o-2

PUL SE rAt : Pulse menu which is defined for how many pulses deticated for energy consumption. PUL SE rAt value can be assigned as below:

1, 10, 100 (wh/VArh/VA); 1, 10, 100 (kwh/kVArh/kVA); 1 Mwh/MVArh/MVA.

PUL SE o-1 / PUL SE o-2: 1 Pulse is taken for respected energy consumption which assigned in PUL SE rAt. o-1 / o-2 can be assigned as below :

ACt (Export/Import), A-I (Active Import), A-E (Active Export), rEA (Inductive

/ Capacitive), r-L (Reactive Inductive), r-C (Reactive Capacitive).

Press SET button for 3 seconds (trA Fo menu is displayed)

By using UP-DOWN buttons, find PULSE menu.

Press SET button (PUL SE rAt ýo menu is displayed)

By using UP-DOWN buttons, select PUL SE rAt ýo,

PUL SE o-1 or PUL SE o-2.

Press SET button (1k / A-I / r-L blink)

By using UP-DOWN buttons, select required parameter.

Press SET button. (Data is entered but is not activated yet.

For activating the new data please follow the below steps)

Press ESC button one by one until SAU E SEt yES is displayed.

Energy Counter (Eng Cnt) Menu

MPR-53/53S has 2 energy counters :

Energy counter 1 (E-1), Energy counter 2 (E-2).

E-1 / E-2 have 4 parameters : on : Activate E-1 / E-2 counters for energy counting without depending on any parameter.

ý-1 : Activate E-1 / E-2 counters, when digital input 1 is on (=1).

ý-2 : Activate E-1 / E-2 counters, when digital input 2 is on (=1).

E-2: E-1 does not count when E-2 is activated. (Only for E-1)

E-1: E-2 does not count when E-1 is activated. (Only for E-2)

Note: Counting status is undefned if E-2 is selected on E-1 and if E-1 is selected on

E-2. When the status is defined as above, both energy counters count while digital input is not on (=1), but if either one or both digital inputs are on (=1) then counters will not count.

Press SET button for 3 seconds (trA Fo menu is displayed)

User password Setup:

In this menu user password is defined and activated.

You must define and activate a 4 digit user password for preventing device settings from the illegal usage.

There are 2 sub menus under the Pýn menu.

Changing of User Password:

This menu is used to change the user password .

Note: Factory default value for user password is

0000

To change the user password,

In the monitoring mode :

Press SET button for 3 seconds (trA Fo menu is displayed)

Bu using UP-DOWN buttons, find Pýn menu.

Press SET button (Pýn ACt IUA tE menu is displayed)

By using the UP-DOWN buttons, find Pýn CHA ngE menu.

By using UP-DOWN-SET buttons, enter the old password

By using UP-DOWN-SET buttons, enter the new password

By using UP-DOWN-SET buttons, re-enter the new password.

Press SET button, Pýn CHA ngE is displayed. (Data is entered but is not activated yet. For activating the new data please follow the below steps).

Press ESC button one by one until (SAU E SEt yES) is displayed.

Activating the user password:

This menu is used for activating the user password.

After the user password is activated, while the instant values are observed,user password is required in order to enter to the menu. If the wrong user password is entered, user can not enter to the menu.

Note: Factory default value of user password is 0000

By using UP-DOWN buttons, find Eng Cnt menu.

Press SET button (Eng Cnt E-1 menu is displayed)

By using UP-DOWN buttons, select

Eng Cnt E-1 / Eng Cnt E-2.

Press SET button. (on blinks)

By using UP-DOWN buttons, select required parameter.

Press SET button. (Data is entered but is not activated yet.

For activating the new data please follow the below steps)

Press ESC button one by one until SAU E SEt yES is displayed.

For activating the user password, In the monitoring mode :

Press SET button for 3 seconds (trA Fo menu is displayed)

By using UP-DOWN buttons, find Pýn menu.

Press SET button (Pýn ACt IUA tE menu is displayed.)

Press SET button (First digit blinks)

Enter the values for blinking digits by using UP-DOWN buttons, switch to other digits by using SET button use BACK button to switch to previous digit Pýn ACt oF is displayed. on can be selected by using UP / DOWN buttons. (Data is entered but is not activated yet. For activating the new data please follow below steps)

Press ESC button one by one until (SAU E SEt yES) is displayed.

NETWORK ANALYSER

MPR-53/53S

Serial Communication (Available only for MPR-53S)

MPR-53S has MODBUS RTU communication protocol which is optical isolated. All measured parameters can be transfer to the computer.

Transformer ratios and communication parameters can be set, saved parameters for demand and energy values can be reset.

Parameter Settings (Available only for MPR-53S)

Address : 001-247

Baud Rate : 2400, 4800, 9600, 19200, 34800 bps

Parity : no, odd and EUEn

Press SET button for 3 seconds (trA Fo menu is displayed)

Press SET button, Adr ESS / bAU d / PArýty displayed. (Data is entered but is not activated yet. For activating the new data please follow the below steps)

Press ESC button one by one until SAU E SEt yES is displayed.

MODBUS RTU PROTOCOL (Available only for MPR-53S)

Standart MODBUS RTU message is shown below.

By using UP-DOWN buttons, find rS-485 menu.

Press SET button (Adr ESS menu is displayed)

By using UP-DOWN buttons, select Adr ESS / bAU d /

PArýty

Press SET button. (001 / 9600 / no displayed)

By using UP-DOWN buttons, select required parameter

(001...247 / 2400...38400 / no, EUEn, odd).

ADDRESS

8 BIT

FUNCTION

8 BIT

DATA

NX8BIT

CRCH CRCL T

Preset Single Register (06) function is used for writting the setting values, erasing the energy counter or resetting the min., max., demand values.

Current transformers ratio can be set 0-2000, voltage transformer ratio can be set 1-40000. Min., Max. and Demand values can be only clear. If sent value is outside of this range device responds with an error message.

i.e. Setting CT as 100;

01 06 80 02 00 64 XX XX

01 Device address

06 Function

80 MSB address

02 LSB address

00 Data MSB

64 Data LSB

XX CRC MSB

XX CRC LSB

Preset Multiple Register(10H) is used to set more then one register at same time.

i.e. Setting CT as 100, Ut as 20.0;

01 10 80 00 00 02 04 00 C8 00 64 XX XX

01 Device Address

10 Function

80 MSB address

00 LSB address

00 Register number MSB

02 Register number LSB

04 Byte count

00 Data MSB

C8 Data LSB

00 Data MSB

64 Data LSB

XX CRC MSB

XX CRC LSB

Digital Inputs (Available only for MPR-53S)

Digital input are sent in 16 bit hexadecimal format as below:

55H 15

U U U U U U

MSB

(Most Significant Byte)

U: undefined

U U U U U U U U

LSB

(Least Significant Byte)

DIN2 input 2

DIN1 input 1

If 12-48 V AC / DC is applied to ln1 (Input 1), 0 (zero) bit of DIN register is set as 1. Otherwise, 0 (zero) bit is set as 0.

If 12-48 V AC / DC is applied to ln2 (Input 2), 1st bit of DIN register is set as 1. Otherwise, 1st bit is set as 0.

The Parameters are sent in 32bit Hexadecimal format. For Example, 230.0V

voltage will be sent as 000008FCH. Cosj values shall be divided to 1000.

0.980 Cosj will be sent as 000003D4H. Energy values are sent in 64 bytes.

1234567890123456789 Wh = AB 54 A9 8C EB 1F 0A D2 Wh

The T times corresponds to a time in which data must not be exchanged on the communication bus to allow the connected devices to recognize the end of one message and the beginning of another. This time must be at least 3.5 characters at the selected baud rate. Adress range (1-247 ) is address of the connected device. The data field contains data sent to the slave by master or data sent to master by slave.

CRC is a error check method by using MODBUS RTU protocol and consists of 2 bytes.

Available Modbus Function:

03H READ HOLD REGISTERS

06H

10H

PRESET SINGLE REGISTER

PRESET MULTIPLE REGISTERS

Read Hold (03) function is used for reading measured values and set value.

If any request of reading of a register, excepted mentioned in register table, device will send an error message. For example to read phase1 voltage by sending a message to the device.

01 03 00 00 00 02 XX XX

01 Device address

03 Function

00 MSB address

00 LSB address

00 Register number MSB

02 Register number LSB

XX CRC MSB

XX CRC LSB

Specifications for data cable ;

- 24 AWG or thicker

- Less than 100 ohm/ km

- Nominal characteristic impedance at 100 kHz of 100 ohms

- Less than 60 pF/m mutual capacitance (between two wires in a pair)

- Less than 120 pF/m mutual pair capacitance ( the capacitance between one wire and all others connected to earth).

- Twisted Pair

ERROR CODES (Available only for MPR-53S)

Slave device (MPR-53S) sends error message when receive any missing query.

Error codes are given below.

01 Invalid Function: If any message except given above is used, then 01 error messages will be sent.

02 Invalid Register: Error 02 will be send when a reading of a register is requested, except the registers which mentioned in table.

03 Invalid data: If any different value is been set for dedicated Transformer values and nonzero for demand value, then error message 03 will be sent.

NETWORK ANALYSER

MPR-53/53S

MPR-53S COMPUTER CONNECTION

31 DEVICES CAN BE CONNECTED AT THE SAME LINE

MAX. 1200 mt.

RS485/RS232

CONVERTER

GND

TR B A GND ...

MPR-53S-31

TR B A GND

MPR-53S-2

TR B A GND

MPR-53S-1

MAX. 247 DEVICES CAN BE CONNECTED AT SAME LINE BY USING REPEATER.

MAX. 1200 mt.

RS485/RS232

CONVERTER

GND

TR B A GND ...

MPR-53S -247 MPR-53S -31

...

MPR-53S -2 MPR-53S -1 REPEATER

Dimensions

10.8

30.1

7.6

9.5

79.3mm

70mm

60.6

26.5

21.5

53.0

58.0

10.0

106.0

Type PK 26

96mm

Type PR 19

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