Schneider Electric 4000 SETTING UP THE CIRCUIT MONITOR FOR AUTOMATIC EVENT CAPTURE, WAVEFORMSTORAGE

63230-300-212 Chapter8—Waveform an d Event Capture

April 2001 Setting up the Circuit Monitor for Automatic E vent Capture

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There are twoways to set up the circuit monitor for automaticevent capture:

•Use an alarm t o trigger the waveform c apture.

•Use an external triggersuch as a relay.

This sectionprovides an overview of the steps youperform in SMS to setup

these eventcaptures.

Toset up the circuit monitorfor automatic event capture, use SMS to perform

the followingsteps:

1. Select the type of event capture (disturbance,adaptive, or 100ms) and

setup the number of samples per cycle,pre-event cycles or seconds,and

duration.

2. Select an alarm condition.

3. Def inethe pick up and dropout setpoints of the alarm, if applicable.

4. Select the automatic waveform capture option (Capture Waveformon

Event).Check the pickup-to-dropout box if you wantit to use it for an

adaptivewaveform capture.

5. Repeat these steps for the desired alarm conditions.

When the circuitmonitor is connected to an external device such as a

protectiverelay, the circuit monitor can capture and provide valuable

informationon shor t durationevents such as voltage sags. The circuit

monitor must be equippedwith digital inputs on an IOX Extender, or an

IOC-44 Digital I/O Card.

Toset up the circuit monitor for eventcapture triggered by an input, use SMS

to perform the followingsteps:

1. Select the type of event capture (disturbance,adaptive, or 100ms) and

setup the number of samples per cycle,pre-event cycles or seconds,and

duration.

2. Cr eatea digital alarm for the input.

3. Select the alarm.

4. Choose the type of event recording you would like.

The circuitm onitorcan store multiple captured waveforms in its nonvolatile

memory.The number of waveforms that can be stored is based on the

amount of memory that has beenallocated to waveform capture. However,

the maximumnumber of stored waveforms is eighty of eachtype. All stored

waveformdata is retained on power-loss.

SETTING UP THE CIRCUIT MONITORFOR AUTOMATIC EVENT CAPTURE

Setting Up Alarm-Trigge red

Event Capture

Setting Up Input-Triggered

Event Capture

WAVEFORMSTORAGE