WEG SRW 01, Руководство пользователя

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General Information
SRW 01 | 2-1
2
2 GENERAL INFORMATION
2.1 ABOUT THE MANUAL
This manual presents the instructions for the installation and commissioning of the Smart Relay WEG, SRW 01,
as well as its main characteristics.
In order to get information on other functions, accessories and operation conditions, refer to the following manuals:
„
Ladder programming manual – WLP.
„
Ethernet communication manual.
These manuals are they are available for download on the website: www.weg.net .
2.2 TERMS AND DEFINITIONS USED IN THE MANUAL
Amp, A: ampere is the electric current level unit of measurement.
V: volt is the voltage unit of measurement.
PC: Personal computer
PE: protective earth.
UMCT: Current/Voltage Measurement Unit.
W: watt, basic unit of real power. It is obtained by the direct product of voltage (V) by the current (I).
kW: kilowatts = 1000 (10
3
) W.
VA: volt ampere, unit of measurement of apparent power.
kVA: kilovolt-ampere = 1000 (10
3
) VA.
VAr: reactive volt-ampere, unit of measurement of reactive power.
kVAr: kiloVolt-ampere-reactive = 1000 (10
3
) VA.
kWh: kilowatt-hour, it represents the consumed power in a time period. And the product of the load real power
(kW) by the number of hours (h) it was on.
MWh: megawatt-hour = 1,000,000 (10
6
) W or 1000 (10
3
) kW.
PTC: resistor whose resistance value in ohms increases proportionally to the temperature increase; used as a
temperature sensor in electric motors.
HMI: human-machine interface; It is a device that allows the motor control, as well as viewing and editing the relay
parameters. It presents keys for the motor command, navigation keys and a display.
Flash Memory: non-volatile memory that can be electronically written and erased.
Ram Memory: random access memory (volatile).
USB: universal serial bus; is a serial bus standard that allows devices to be connected using the plug and play
concept.
°C: celsius or centigrade degrees.
º F: fahrenheit.