Schneider Electric Multi-Loader Especificações descarregar pdf (Página 38)

Functions (continued)

Altivar

variable speed drives

Underload detection

See page 34.

Overload detection

See page 34.

Sleep/Wake-up

Allowsthevariablepumptocometoacompletestopwhentheowrateis

consideredtoolow,belowanadjustable“sleepthreshold”(LSP+SLE)andtime

delay (tLS).

When the system is in “sleep” state, if the PID feedback value (showing the pressure

downstream of the pump) falls below a “wake up” threshold (UPP), the variable

pump is restarted.

LSP

LSP + SLE

tLS

UPP

PID

feedback

Motor

frequency

Sleep

Wake-up

Sleep/Wake-up functions

LSP: Low speed

SLE: Sleep threshold offset

UPP: Wake-up threshold

tLS: Sleep threshold operating time

PID feedback supervision

Once the variable pump is running at maximum speed and at the same time the PID

feedback is lower than the supervision threshold (LPI) at the end of a time delay

(tPI), the drive switches to fallback mode. There are two possible scenarios (see

graphs below):

v Thedriveperformsafreewheelstopanddisplaysaspecicfaultcode1.

v Congurablexedspeedoperationwithdisplayofaspecicfaultcode2.

The drive reverts to regulation mode when the PID feedback returns to the

supervision threshold (LPI).

HSP

FPI

< tPI tPI

HSP - AP0

LPI

LPI + 3 %

LPI - 2 %

PID feedback supervision

PID

feedback

Motor

frequency

LPI: PID feedback supervision threshold

HSP: High speed

FPI: Fallback speed

APO: Maximum speed detection hysteresis

tPI: PID feedback supervision function time delay

In single variable mode with auxiliary pump, this function is active when both pumps

are operating.

No-load operation detection

Thisfunctionisusedinapplicationswherezeroowcannotbedetectedbythesleep

function alone. It is active when the auxiliary pump is stopped and the variable pump

motorfrequencyreferenceisbelowaconguredthreshold.

It consists of periodically forcing the motor frequency reference to a low value:

v If the request is still present, it results in an increase in the PID error and the drive

reverts to regulation in line with the previous reference.

v Iftherequestisnolongerpresent(zeroow),thePIDerrorwillnotchange,

which is characteristic of no-load operation. The variable pump motor is stopped.

Introduction:

page 8

Specications:

page 10

References:

page 14

Dimensions:

page 18

Connections:

page 22

Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

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Sony SLV-SE35EG User Manual (72 pages)

Brand: Sony | Category: Cassette players | Size: 0.59 MB |

Video Cassette

Recorder

Precautions

Compatible colour systems

Table of contents

Unpacking

Inserting the batteries

Using the remote commander

TV control buttons

Getting Started

Connecting the VCR

About the SMARTLINK features

4 Press RF CHANNEL

7 Press RF CHANNEL

Up function

3 Press AUTO SET UP lightly

Setting the clock

Press MENU to exit the menu

Press OK to start the clock

3 Press OK

Selecting a

Presetting

If the picture is not clear

Changing/

Changing the station names

4 Press /

5 Enter the station name

Disabling unwanted

4 Press CLEAR

2 Insert a tape

3 Press · PLAY

1 Insert a tape

2 Press · PLAY

Recording TV

INPUT SELECT

SP / LP

SP 20:00:2

(TV Direct Rec)

1 Press TIMER

(continued)

Daily/weekly recording

Playing/searching

To resume normal playback

Press · PLAY

0:30 1:00

5:30 6:00

Normal recording

Checking/

6 Press MENU

Searching using

LATEST DATA

Adjusting the picture

Changing menu options

Menu choices

Editing with another VCR

Operation

(when recording on this VCR)

Troubleshooting

Troubleshooting (continued)

Specifications

Index to parts and controls

Display window

Rear panel

Remote commander

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