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Isolated Analog Signal Conditioning Products

SCM5B

SCMVAS

Voltage Attenuator System



Features

• Accepts High Voltage Signals up to 460VAC

(1300V Peak-to-Peak)

• 5 or 10 Volt Output for A/D Systems

• 1500Vrms Transformer Isolation

• True 3-Way Isolation

• Up to 160dB CMR

• ±0.06% Accuracy

• Panel or DIN Rail Mounting Options

• Approvals Pending

Description

The SCMVAS (Signal Conditioning Modular Voltage Attenuator System) is an

analog signal conditioning system designed to safely monitor and accurately

measure voltage potentials up to 460VAC (1300V peak-to-peak). These high-

level voltages are typically found in industrial applications such as induction

heaters or electric-motor drive controllers. The system reduces the input signal

to a level suitable for interface to data acquisition systems, while at the same

time providing various filter characteristics and 1500Vrms isolation (Figure 1).

For each channel of analog input, an attenuator module, SCMVAS-Mnnn,

pre-conditions the signal which is then filtered, isolated, and converted to a

high-level voltage output using an SCM5B30-07 or SCM5B40-07 module. The

SCM5B40-07 module with a 10kHz bandwidth is recommended for common 50/

60Hz signals low in harmonics where the user is interested in measuring only

AC voltage. The SCM5B30-07 module is used for low frequency AC signals

below 4Hz. For signals comprised of harmonics or noncoherent content, the

SCM5B33 True RMS Input module is recommended. Use of this module

provides a DC output that is directly related to input signal power, or the RMS

(Root Mean Square) value, allowing true RMS representation of input signals

ranging from pulses to complex nonperiodic waveforms. The attenuator and

signal conditioning modules have excellent stability over time and do not require

recalibration. Overall system accuracy is ±0.06%.

Input signal connections to the SCMVAS-Mnnn attenuator module are made

using a pluggable terminal block for ease of system assembly and reconfiguration.

For safety purposes, the terminal block has a cover over the screws and there

are no other exposed high-voltage points on the SCMVAS-Mnnn series mod-

ules, SCM5B30-07 or SCM5B40-07 module, or the mounting backpanel.

The SCMVAS system has two specially designed backpanels for mounting the

attenuator and signal conditioning modules. The SCMVAS-PB8 high density, 8-

channel backpanel (Figures 2, 3) can be panel mounted or DIN rail mounted and

provides the conditioned output signal on screw terminal blocks. Jumpers are

provided on each channel to optionally connect or isolate each module’s I/O

Common from other channel’s I/O Common and/or Power Common. The

SCMVAS-PB16 (Figures 4, 5) has 16 channels of analog I/O simultaneously

available to high-speed data acquisition (ADC) boards through a 26-conductor

ribbon cable. Refer to the SCMPB01 Data Sheet and Application Note AN502

in this catalog for recommended ground connections and host system inter-

faces. Both the SCMVAS-PB8 and SCMVAS-PB16 backpanels can be mounted

on the SCMXRK-002 19-inch metal rack.

Figure 1: SCMVAS Schematic

1 2 3 4 5

Sommario

Pagina 1 - Voltage Attenuator System

Visit our website www.dataforth.com43Isolated Analog Signal Conditioning ProductsSCM5BSCM5BSCMVASVoltage Attenuator System Features• Accepts High V

Pagina 2 - SCM5B30/40-07

For information call 800-444-764444Isolated Analog Signal Conditioning ProductsSCM5BSpecificationsTypical at TA=+25°C and +5V powerInput Range –1.0V t

Pagina 3 - SCMV AS-Mnnn

Visit our website www.dataforth.com45Isolated Analog Signal Conditioning ProductsSCM5BSCM5BSCMV AS-MnnnHigh Voltage Attenuator ModulesSpecificationsIn

Pagina 4

For information call 800-444-764446Isolated Analog Signal Conditioning ProductsSCM5BFigure 3: SCMVAS-PB8 SchematicFigure 4: SCMVAS-PB16 Analog I/O Bac

Pagina 5

Visit our website www.dataforth.com47Isolated Analog Signal Conditioning ProductsSCM5BSCM5BFigure 5: SCMVAS-PB16 Schematic

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Samsung LN22B350F2 Manuale Utente (10 pagine)

Marchio: Samsung | Categoria: LCD TVs | Dimensione: 1.04 MB |

Indice

Connections

LN22B350

English - 3

CABLE BOX/SATELLITE

RECEIVER (SET-TOP BOX)

REAR PANEL

TV REAR PANEL

VIA COMPONENT CABLES

Memorizing the Channels

Troubleshooting

Contact SAMSUNG WORLDWIDE

Samsung LN22B350F2 Manuale Utente (61 pagine)

Marchio: Samsung | Categoria: LCD TVs | Dimensione: 8.89 MB |

Indice

Samsung LN22B350F2 Manuale Utente (61 pagine)

Marchio: Samsung | Categoria: LCD TVs | Dimensione: 5.46 MB |

Indice

CONTENTS

GENERAL INFORMATION

Viewing the Control Panel

Viewing the Connection Panel

Remote Control

CONNECTIONS

English - 7

English - 8

Connecting a VCR

Connecting a Camcorder

Connecting a PC

OPERATION

Language

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Plug & Play

CHANNEL CONTROL

Managing Channels

Advanced Settings

Picture Options

English - 18

Display Modes

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Auto Adjustment

SOUND CONTROL

ConguringtheSetupMenu

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APPENDIX

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English - 26

Securing the TV to the Wall

Specications

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CONTENIDO

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Español - 3

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Mando a distancia

CONEXIONES

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Modos de pantalla

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PIP→Encendido/Apagado

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