ENTES EPM-07S-96 Manual

ENTES Måleudstyr EPM-07S-96

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MULTIMETER

EPM-07 / EPM-07S

A4019/Rev.5

MULTIMETER

EPM-07 / EPM-07S

General

EPM-07/07S is a microprocessor based device which developed for measuring

the parameters in an electrical network. Measured parameters are displayed

in 4 displays separately EPM-07S has an MODBUS serial communication

interface.

Using of EPM-07/07S:

Parameters (V ; V ; A; W; VAr; VA; Cos ; kWh, kVarh, THD) are monitoredLN LL j

in L1, L2, L3 displays by scrolling UP/DOWN buttons. Total Active ( W), TotalS

Reactive Power ( VAr), Total Apparent Power ( VA) and Frequency (HzS S )

values and average values of these parameters are monitored in 4th display.

Note: VLN LL or V should be selected for displaying the frequency value.

Monitoring Min.- Max. and Max. Demand Values:

Min. and Max. values are defined for V , V , A, W, VAr, VA, W, VAr, VA.LN LL S S S

Demand values are defined for A, W, VAr, VA, W, VA, VAr.S S S

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. W) when deman button is

pressed min., max or max. demand values are displayed. When an undefined

parameter is displayed (ie. Cos ) if demand button is pressed, instant valuej

is continued to display.

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

Energy Pulse Outputs

EPM-07/07S 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.

FUNCTIONS OF BUTTONS

In the monitoring mode, it is used to pass between (V , V , A, W,LN LL

VAr, VA, Cos , kWh, kVarh) parameters.j

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 (VLN, VLL, A, W,

VAr, VA, Cos , kWh, kVarh) parameters.j

At the programming mode, it provides to decrease value of desired

parameter and pass to the prevides menu.

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.

(This menu is not available in the devices which are adapted

with CT-25.)

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

Current Transformer Ratio Setup

Note: If the current transformer is not used between the system

and EPM-07/07S, 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 EPM-07/07S; Current transformer

ratio is entered as 50 (250/5).

Measured Parameters:

V (Phase Voltage) Hz. (Frequency)LN Cosj

V (Phase to Phase Voltage) AI ( kWh) (Import Active Energy I) I (Neutral Current)LL N

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

W (Total Active Power)

W (Active Power) rI (kVArh) (Import Reactive Energy)

VAr (Total Reactive Power)

VAr (Reactive Power) rE(kVArh) (Export Reactive Energy)

VA (Total Apparent Power)

VA (Apparent Power)

Digital Inputs

EPM-07/07S has 2 digital inputs. Digital inputs have 2 fun ctions:

- When a remote device has activated, situation of this device which is

conncected to the digital input, can be monitored according to data register

(Battery, thermostat, circuit breaker and motor position).

- When the digital inputs have activated in Energy Count menu, device will

control the Energy Counters ( It is used for measuring of energyExample:

separately at the using of network and generator).

Total and Hz. Display

SET button

Max. LED

Phase Displays

UP button

DOWN button

Minimum LED

Demand LED

ESC button

It is used for passing between the instant values such as. When it

is pressed for 3 second, programming mode is entered. In the

programming mode it is used for saving parameters and moving

the sub menu.

In displaying mode, it is used for; passing the instant values which

are displayed for min., max. and demand values in displaying mode,

turn back to the previous menu turn back to the previous digit, when

changing the numerical values and quiting the programming mode

without saving.

Press SET button; trA Fo Ctr menu is displayed (In CT-25 adapted

devices, trA Fo trn is displayed instead.)

( trA Fo Utr menu can be displayed by scrolling the UP/DOWNNote:

buttons.)

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

Switch to the other digits by using SET button, use ESC button to

go to previous digit. After you entered the last digit press SET

button, Pýn ACt oF 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 SET button for 3 seconds (trA Fo menu is displayed)

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.

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

Utr menu can be programmed similarly.)

Technical Data

Operating Voltage (Un) :

Please look behind the device.

Operating frequency (f) : 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~

2-120 A~ (for CT-25)

Measuring Range : 10V...200 kV AC

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

: 99999999999.9 kWh, kVArh

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

Voltage Transformer Ratio (Vtr) : 0,1 ... 4000,0

Current Transformer Ratio (Ctr) : 1 ... 2000

Max. Ctr x Vtr : 40.000

Demand Time : 1-60 min. (programmable)

Serial Interface (for EPM-07S) : MODBUS RTU (RS 485)

Optically Isolated, programmable

Baud Rate (for EPM-07S) : 2400-38400 bps

Address (for EPM-07S) : 1-247

Parity (for EPM-07S) : No , Odd, Even, 8 Data bits, 2 Stop Bits

Pulse Output : NPN Transistor

Switch Period : Min. 100 msec pulse perriod

80 msec pulse width

Operation Current : Max. 50 mA

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

Input : 12...48 V AC / DC

Ambient Temperature : -5°C; +50°C

Display : Red LED Display

Dimensions : PR-19, PK-26

Equipment Protection Class : Double Insulation-Class II ( )

Box Protection Class : IP 40 (front panel)

Box Material : Non-flammable

Installation :

Panel Mounted (PR-19)

Rail Mounted (PK-26)

Wire Crossection (for terminal) : 2.5 mm

Weight : 0.54 kg (

PR-19)

0.50 kg (

PK-26)

Installation Category : Class III

Trafo (Transformer) :

Ctr (Current Transformer Ratio) : 0001

trn (Turn number for CT-25 device) : 01

Utr (Voltage Transformer Ratio) : 0001.0

CAL (Calculation Method) : 1

Pin : 0000 (Not Activated)

RS-485 :

Adr (Address) : 1

Bau (Baud Rate) : 9600

PAr (Parity) : no

Eng Cnt :

E-1 (Energy Counter 1) : on

E-2 (Energy Counter 2) : on

PULSE :

rAt ýo (Ratio) : 1

o-1 (Output 1) : A-I

o-2 (Output 2) : r-L

dEtý (Demand Time) : 15

Factory Settings

Phase

Displays

Total and

Hz Display

SET button

Max. LED

Minimum LED

Demand LED

ESC button

button

DOWN

button

Calculation Methods for Active / Reactive Power Values

If the led on the most right side blinks it represents that active powers / reactive

powers 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 W isS

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 VAr isS

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. W).

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.

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

- Only for rack panel mounting.

- Fuse must be F type and limit value doesnt exceed 1A.

Precautions For Installation and Safe Use

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

Other type of CTs have a high risk to damage to device.

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

Produkt Specifikationer

Mærke:	ENTES
Kategori:	Måleudstyr
Model:	EPM-07S-96

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