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7B47

Analog Devices
Part Number 7B47
Manufacturer Analog Devices
Description Linearized Thermocouple Input
Published Dec 12, 2006
Detailed Description www.DataSheet4U.com Isolated, Linearized Thermocouple Input 7B47 FEATURES Interfaces, amplifies and filters input volta...
Datasheet PDF File 7B47 PDF File

7B47
7B47

Overview
www.
DataSheet4U.
com Isolated, Linearized Thermocouple Input 7B47 FEATURES Interfaces, amplifies and filters input voltages from a J, K, T, E, R, S, B or N-type thermocouple.
Module provides a precision output of either +1 V to +5 V or 0 V to +10 V, linear with input temperature.
All 7B47 series modules are mix-and-match and Hot Swappable.
FUNCTIONAL BLOCK DIAGRAM APPLICATIONS Industrial signal conditioning Industrial signal isolation Industrial signal filtering Figure 1.
7B47 Functional Block Diagram PRODUCT OVERVIEW The 7B Series of signal conditioners feature small size, low cost and a wide output voltage range for a variety of applications including process control and factory-floor environments.
The single-channel 7B modules accept inputs from a range of transducers and are fully rated over the extended -40oC to +85oC industrial temperature range.
All 7B Series modules are rated for a nominal power supply input of +24 VDC; and, for maximum flexibility, they will accept supply voltages in the +14 VDC to +35 VDC range.
The input modules, with the exception of the 7B21, provide a high-level output voltage that is factory configured for either the +1 V to +5 V or 0 V to +10 V range.
The 7B21 is a unity gain, isolated input module with an input/output range of +10V.
Output modules are available that provide either isolated process current or isolated bipolar voltage output.
Model 7B39 converts either a +1 V to +5 V input to a 4 to 20 mA output or a 0 V to +10 V input to a 0-20 mA output.
The input/output ranges of the 7B39 are factory configured.
The 7B22 is a unity gain module that provides an isolated +10V output signal.
All modules have a universal pinout and may be readily hot-swapped under full power without disrupting field wiring.
Each module accepts analog transducer signals and transfers them to a process control or factory data collection system without the inherent noise, non-linearity, drift and extraneous voltages which frequently accompany the signa...


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