URC Smart 1-Line Instruction Manual

Contents

URC Smart 1-Line Instruction Manual Manual pdf 26 page image

Smart 1-LineTM Instruction Manual Rev 1.01 www.utilityrelay.comPage 244.1.2.1 Readings tab (AC-PRO-II only)The Readings tab will appear on the right side of the window for AC-PRO-II trip units. It provides thefollowing information, features, and capabilities:• The following information will be retrieved automatically:1. RMS Current values: Phase A, B, C, Neutral, Ground2. Frequency3. *If the AC-PRO-II is equipped with a Voltage Divider Module:▪ RMS Voltage values:• Vab, Vbc, Vca (AC-PRO-II firmware v1.9 or later)• Van, Vbn, Vcn (AC-PRO-II firmware v1.2 – v1.8)▪ Power values• Real Power (KW)• Apparent Power (KVA)• Power Factor (PF)▪ Energy values• Real Energy (KWH)• Apparent Energy (KVAH)4. Alarms and Status:▪ Trip occurred Alarm with reset capability▪ Quick-Trip Switch position▪ Breaker position (if equipped with URC limit switch)▪ Actuator Open circuit▪ Trip unit Alarm relay conditions (depend on trip unit version and customersettings)• UnderVoltage (can be reset by user)• OverVoltage (can be reset by user)• Phase Loss• LT (Long Time) Pickup (phase current exceeded LT Pickup setting)• Ground Fault (can be reset by user)• Sluggish Breaker (can be reset by user)• Trip (can be reset by user)• Internal Error• Actuator Open circuit• Acknowledge Trip and Reset Trip Alarm1. To Acknowledge that you are aware a Trip occurred and reset the Trip Alarm, gotothe Readings or AC-PRO tab, and tap/click the (Alarm) Reset button. This will clearthe alarm in the trip unit, and it will remove the Red X from the breaker symbol in theSmart 1-Line. This reset button can also be used to reset some other alarms.• See the next section for how to trip a breaker.