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Isolated Process Control Signal Conditioning Products

SCM7B

For information call 800-444-7644

SCM7B22

Isolated Bipolar Voltage Output Modules

Figure 1: SCM7B22 Block Diagram

▲

Features

 Accepts High Level Input to ±10V

 Provides High Level Output to ±10V

 1500Vrms Transformer Isolation

 Accuracy, ±0.03% of Span Typical,

±0.1% Max

 ANSI/IEEE C37.90.1 Transient Protection

 Output Protected to 120Vrms Continuous

 Input Protected to ±35VDC

 Noise, 2mV Peak (5MHz), 1mV RMS

(100kHz)

 CMRR, 100dB

 80dB Per Decade of Attenuation

Above 400Hz

 Easy DIN Rail Mounting

 CSA Certified, FM Approved

 CE and ATEX Compliant

Description

SCM7B22 voltage output modules accept input signals in the ±10V range from

the process control system. The signal is isolated, buffered, and filtered to

provide a unity gain field voltage output (Figure 1).

These modules incorporate a five-pole filtering approach to maximize both time

and frequency response by taking advantage of both Thomson (Bessel) and

Butterworth characteristics. One pole of the filter is on the process control system

side of the isolation barrier; four are on the field side.

After the initial process control system-side filtering, the input signal is chopped

by a proprietary chopper circuit and transferred across the transformer isolation

barrier, suppressing transmission of common mode spikes and surges. The

signal is then reconstructed and filtered for field-side output.

Modules accept a wide 19 - 29VDC power supply range (+24VDC nominal).

Their compact packages (2.13"x1.705"x0.605" max) save space and are ideal

for high channel density applications. They are designed for easy DIN rail

mounting using any of the -DIN backpanels.

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Résumé du contenu

Page 1 - Description

Isolated Process Control Signal Conditioning ProductsSCM7BFor information call 800-444-764468SCM7B22Isolated Bipolar Voltage Output ModulesFigure 1: S

Page 2 - Ordering Information

SCM7BVisit our website www.dataforth.com69Isolated Process Control Signal Conditioning ProductsSCM7BSpecificationsOutputSignal Range(1)±10VEffective A

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Impulse SCM7B22 Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Matériel Impulse SCM7B22. Impulse SCM7B22 User Manual Manuel d'utilisatio

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