Thermocouple Input - Analog Devices
Description
Isolated, Thermocouple Input 7B37
FEATURES
Interfaces, amplifies, and filters input voltages from a J, K, T, E, R, S, or B-type thermocouple.
Module provides a precision output of either +1 V to +5 V or 0 V to +10 V, linear with temperature.
High accuracy internal cold junction compensation.
All 7B37 series modules are mix-and-match and Hot Swappable.
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS
Industrial signal conditioning Industrial signal isolation Industrial signal filtering
Figure 1.
7B37 Functional Block Diagram
PRODUCT OVERVIEW
The modules feature a maximum nonlinearity of +0.
02% and are factory calibrated to guarantee a maximum accuracy specification of +0.
1%.
The 7B Series offers up to 1500 V rms continuous common The 7B Series of signal conditioners feature small size, low cost mode voltage isolation and 120 V rms of field wiring input and a wide output voltage range for a variety of applications protection.
The power supplies necessary to drive each of the including process control and factory-floor environments.
The individual module’s input circuitry are internally isolated, single-channel 7B modules accept inputs from a range of transducers and are fully rated over the extended -40oC to www.
DataSheet4U.
com enabling the 7B Series modules to offer true channel-to-channel isolation of the input signals.
+85oC industrial temperature range.
All 7B Series modules are rated for a nominal power supply input of +24 VDC; and, for The modules directly accept analog signals from maximum flexibility, they will accept supply voltages in the +14 thermocouples, RTDs, current loop powered transmitters, and VDC to +35 VDC range.
The input modules, with the exception other process control signals.
The 7B Series modules amplify, of the 7B21, provide a high-level output voltage that is factory linearize, isolate, protect and convert the transducer output configured for either the +1 V to +5 V or 0 V to +10 V range.
signals to standardized analog inputs for high-level analo...
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