WEG PFW03-M08 User manual

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User Manual

Power Factor Controller

PFW03-M08

User Manual

Series: PFW03-M08

Language: English

Document: 10006614888 / 01

Summary

1 GENERAL INFORMATION 6

1.1 SYMBOLS..............................................................................................................................................6

1.2 GENERAL WARNINGS......................................................................................................................... 6

1.3 RECEIPT CONTROL AND CONTENTS OF THE DELIVERY .............................................................7

1.4 PFW03-M08 REACTIVE POWER CONTROL RELAY..........................................................................7

1.5 PFW03-M08 FRONT PANEL.................................................................................................................8

2 INSTALLATION 9

2.1 PREPARATION FOR INSTALLATION ...................................................................................................9

2.2 PLACING ON THE PANEL....................................................................................................................9

2.3 WIRING DIAGRAMS ...........................................................................................................................12

2.4 DIMENSIONS ......................................................................................................................................13

3 MENUS 14

3.1 “FIRST POWER-ON” SETTINGS........................................................................................................14

3.2 BASIC SETTINGS................................................................................................................................15

3.3 ADVANCED SETTINGS.......................................................................................................................16

3.4 ALARMS SETTINGS ...........................................................................................................................17

3.5 EXTREME CASES...............................................................................................................................18

3.6 COMMUNICATION – RS485 SETTING ..............................................................................................19

3.7 SECURITY ...........................................................................................................................................19

3.8 CLEAR MENU .....................................................................................................................................20

3.9 INFO.....................................................................................................................................................20

3.10 SAVE PROCEDURE ..........................................................................................................................20

3.11 APPROVAL PROCEDURE ................................................................................................................21

3.12 INSTANTANEOUS VALUES ..............................................................................................................21

4 MODBUS PROTOCOL 22

4.1 RS485 WIRING DIAGRAM..................................................................................................................22

4.2 COMPUTER CONNECTION ...............................................................................................................22

4.3 MESSAGE FORMAT AND DATA TYPES OF MODBUS-RTU PROTOCOL ......................................22

4.4 IMPLEMENTED FUNCTIONS FOR MODBUS-RTU PROTOCOL.....................................................23

4.5 DATA AND SETTING PARAMETERS FOR PFW03-M08 ...................................................................23

4.5.1 Readable Data for PFW03-M08................................................................................................ 23

5 TECHNICAL SPECIFICATIONS 26

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6 | Power Factor Controller - PFW03-M08

1 GENERAL INFORMATION

1.1 SYMBOLS

CAUTION!

This symbol indicates that there is cautionary information where it is used.

DANGER!

This symbol indicates that there is dangerous voltage or current.

1.2 GENERAL WARNINGS

Voltage measurement input connections: Overcurrent protection is required for voltage measurement

connections V1, V2 and V3: 2 Arms gL fuses (IEC 269) or M type fuses (IEC 127) with rated voltage 300

VAC;

Compensation relay connections: Overcurrent protection is required for compensation relay outputs. Fuses

are recommended to be inserted at COM connections, namely COM1 (for 1..8 compensation relays).

Technical details are as follows: 13 Arms gL fuses (IEC 269) or M type fuses (IEC 127) with rated voltage 300

VAC;

Alarm relay connections: Overcurrent protection is required for alarm relay outputs: 3 Arms gL fuses (IEC

269) or M type fuses (IEC 127) with rated voltage 300 VAC;

l It is required to use a circuit breaker in order to easily disconnect PFW03-M08 from mains. Circuit breaker

should have the following specifications:

3 poles (one pole for each phase), 300 VAC or above rated voltage 1 A or above rated current;

“Do not use this product for any other purpose than it is designed for”;

Ensure that energy supply is cut off in the panel or in all relevant systems before attempting to connect the

device to mains;

Installation and connections shall be performed by qualified persons with respect to the instructions on the

user’s manual;

Device shall only be activated after all connections are made;

We advise you to connect a 2 A fuse between the voltage inputs of the device and the mains and supply

input and mains;

We advise you to connect a 1 mm2(AWG17) cable to supply input and measure inputs; and to connect a 2

mm2(AWG14Cu) cable to the current inputs;

Do not remove PFW03-M08 current transformer connections without short circuiting the K-L ends of the

current transformer to somewhere else or connecting a load adequately low impedance to the K-L ends.

Otherwise, dangerous high voltages may occur on the secondary ends of the current transformer. The

same applies to starting of the device;

Device should be kept away from humid, wet, vibrant and dusty environments;

Use a dry cloth to clean the device or remove the dust on it. Do not use alcohol, thinner or an abrasive agent;

Do not open the inside of the device. There are no parts which the users can intervene inside.

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Power Factor Controller - PFW03-M08 | 7

1.3 RECEIPT CONTROL AND CONTENTS OF THE DELIVERY

When the PFW03-M08 is delivered to you, check that:

The packing of PFW03-M08 is in good condition;

The product is not damaged during transport;

Name of the product and order number is correct.

Material SAP Short code Description

14387138 PFW03-M08 PFW03-M08; 1phase; 08 steps

Ta b e la 1.1: Product and order number

Contents of the PFW03-M08 packing is listed below.

1 PFW03-M08;

2 panel tightening tools;

1 pc of 3-pin female terminal for alarm outputs (Com2;A2; A1);

1 pc of 2-pin female terminal for current inputs (k; l);

1 pc of 2-pin female terminal for voltage input (La; Lb);

1 pcs of 9-pin female terminal for step outputs (Com1, K1…K8);

1 pc of RS485 3-pin female terminal (D+, gnd1, D-);

1 pc of 2-pin female terminal for generator input (GENA, GENB).

1.4 PFW03-M08 REACTIVE POWER CONTROL RELAY

PFW03-M08 is a multi-function reactive power control relay. It measures active and reactive powers of the system

that it is connected. As a result of these measurements, it activates capacitors in the compensation panel. All

user actions can be performed easily using the LCD display and 4 keys on the front panel. PFW03-M08 has an

isolated RS485 port. It also has 2 alarm relay and many more features.

PFW03-M08 measures/calculates:

Current, voltage and frequency;

Active, reactive and apparent power;

THDV, THDI;

Power factor, cosØ.

PFW03-M08 has features such as:

Compensation manually or smart mode;

Compensation in 08 steps;

THDV and THDI harmonics up to 51st harmonics;

Also, PFW03-M08 has the following features;

Setting an alarm for various measurement paramateres including temperature;

Setting an alarm for extreme cases. If the alarms which in this menu are set and when any of alarm is active,

steps are deactivated in 10 second intervals after delay time;

Prevention of unauthorized usage with 4 digit password input;

Communication with RS485, Modbus RTU.

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8 | Power Factor Controller - PFW03-M08

1.5 PFW03-M08 FRONT PANEL

Figure 1.1: PFW03-M08

1. Steps.

2. Indicators and units.

3. Menu bar.

4. 4 quadrant indication.

5. Target Cosφ.

6. Automatic Mode.

7. Manual Mode.

8. Alarm icon.

9. Communication active icon.

10. Alarm relay icons.

11. The ratio of the steps in the operation to the total step power.

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Power Factor Controller - PFW03-M08 | 9

2 INSTALLATION

This section contains information on the installation, cable connections and connection methods of PFW03-M08.

2.1 PREPARATION FOR INSTALLATION

PFW03-M08 that you have purchased may not include all hardware options specified in the installation manual.

This is not issue for the electrical installation.

DANGER!

Installation and connections of PFW03-M08 shall be performed by qualified persons with respect to the instructions on

the user’s manual.

DANGER!

Do not operate the device before making the connections correctly.

2.2 PLACING ON THE PANEL

Figure 2.1: Placing PFW03-M08 on the Panel

After placing PFW03-M08 on the panel tightening tool is installed and then secured by tightening its screw.

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10 | Power Factor Controller - PFW03-M08

Figure 2.2: Securing PFW03-M08

PFW03-M08 has female terminals with 2.5mm2and 1.5mm2screws. Female terminal is removed on its housing

on PFW03-M08 (removed from the fixed male terminal). Screws on the female terminal are loosened.

Figure 2.3: Loosening of the Terminal Screws

DANGER!

Make sure that the power is cut off before connecting voltage and current ends to PFW03-M08.

DANGER!

Do not remove PFW03-M08 current transformer connections without short circuiting the K-L ends of the current transformer

to somewhere else. Otherwise, dangerous high voltages may occur on the secondary ends of the current transformer. The

same applies to starting of the device.

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