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Summary of Contents for WEG PFW03-M8
- Page 1 PFW03-M8 Automatic Power Factor Controller...
- Page 2 PFW03-M8 • It measures active (P) and reactive (Q) power of the system to which it is connected; • With the result of such measurement, it activates capacitors in case it is necessary to compensate reactive inductive loads; • Through the front panel, you can easily access all settings and readings of electrical quantities;...
- Page 3 PFW03-M8 Main differences between the M8 model and the other PFWs PFW03-M12/M24/T12/T24 PFW03-M8 Graphic LCD display Standard LCD Display Dynamic monitoring of the capacitors -------- Several stage control modes Smart mode only Automatic reading of the stages Manual selection of the stages...
- Page 4 PFW03-M8 Description of the display functions 1) Stages; 2) Units and indicators; 3) Menu bar; 4) Quadrant indicator 5) Target cosφ; 6) Automatic mode; 7) Manual mode; 8) Alarm indicator; 9) Communication indicator; 10)Alarm relay indicator; 11)Indication bar of the stages...
- Page 5 PFW03-M8 Description of the display functions The direction of the energy flow is obtained by the angular phase shift φ between voltage and current. A positive value of the active/reactive power indicates energy being consumed. A negative value indicates energy being generated.
- Page 6 PFW03-M8 RS485 Connections terminals GEN input Current measurement input Power supply and voltage measurement Terminals of the alarm relays Connection of the stages...
- Page 7 PFW03-M8 Settings - 1st energization of the device 1) Language selection; 2) Selection of the connection type; 3) Input of the CT ratio; 3) Input of the PT ratio; 5) Selection of the cosφ1 type (ind or cap); 6) Input of the target value of cosφ1;...
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Page 8: Settings - Basic
PFW03-M8 Settings – Basic 1) Main screen; 2) Settings menu; 3) Basic settings menu; 4) Connection type: this menu contains 3 - CON3: Phase-neutral connection. For this connection types: configuration, the current measurement and the voltage CON1, CON2, CON3 measurement must be in the same phase - CON2: Phase-phase connection. - Page 9 PFW03-M8 Settings – Basic 5) CT ratio: range from 1 to 5000; 6) PT ratio: range from 0.1 to 999.9; 7) Type of cosφ1: choose between inductive or capacitive; cosφ 1: setting range from 0.80 to 1.00; 8) Value of cosφ1: cosφ...
- Page 10 PFW03-M8 Settings – Basic 10) Definition among 4 reactive load compensation structures: - 1.1.1.1 All stages are equal. First-in, first-out (FIFO) is applied. The first stage enabled will be the first stage to be disabled. - 1.2.4.4: Stages are sized in the ratio 1.2.4.4. The first stage will always be the first stage to be enabled or disabled.
- Page 11 PFW03-M8 Settings – Basic 11) When selecting modes 1.1.1.1, 1.2.4.4 or 1.2.2.2, the power of the smallest stage is defined in this menu; *** Stage power and voltage: If the structure is defined as "Entr", the power and voltage of the existing stages will be set sequentially in this menu;...
- Page 12 PFW03-M8 Settings – Advanced 1) Settings menu; 2) Advanced settings; 3) If the "Generator" mode is "ON" when the GEN input is enabled, it is necessary to "cosφ 2 according to the following screens. To enable the GEN input, a voltage signal of 95-240 VAC is required;...
- Page 13 PFW03-M8 Settings – Advanced cosφ 7) Input of the value of cosφ 2 - value between 8) Setting of the tolerance range of 0.00 and 0.20; 9) Delay to enable the requested stage. Time between 1 and 600 seconds; 10) Delay to reactivate the stage. Time between 3 - 600 seconds;...
- Page 14 PFW03-M8 Settings - Alarms 1) Main menu; 2) Alarm settings submenu; 3) In this menu, alarm triggering limits are set. When using this screen, the following submenu is displayed:...
- Page 15 PFW03-M8 Settings - Extreme (critical) alarms 1) Main menu; 2) Critical alarm navigation menu; 3) Overvoltage setting. Navigate across the following submenus: 3.1) Setting of the alarm upper limit - range from 0 to 600; 3.2) Delay to trigger the alarm. From 0 to 9999 seconds;...
- Page 16 PFW03-M8 Settings - Communication 1) Settings menu; 2) RS485 menu; 3) Setting of the baud rate: speeds of 1200, 2400, 4800, 9600, 19200 and 38400 bits/second; 4) Slave ID: selectable address 1 - 247; 5) Parity: odd, even, none.
- Page 17 PFW03-M8 Settings - safety 1) Settings menu; 2) Safety menu; 3) Password protection is enabled or not; 4) Time between the input of the password and the request to enter the password again; 5) Setting of the password. The factory default password is "1"...
- Page 18 PFW03-M8 Settings - instant menus In the main menu, you navigates across the available instant reading values using the up and down keys.
- Page 19 PFW03-M8 Technical data SUPPLY COMMUNICATION Voltage ......120...510V AC ±10% Isolated RS485 Port..: 1 Channel, Frequency ....45...65 Hz Baud Rate……………..:1200 bps to 38400 MEASUREMENT INPUTS Isolation…………………:2000VRMS Voltage .......120...510V AC ±10% (L-N) OPERATING TEMPERATURE/ STORAGE 120...510V AC ±10% (L-) TEMPERATURE / RELATIVE HUMIDITY Current .....
- Page 20 WEG Drives & Controls Thank you!
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