Siemens Simatic M7-400 Manual do Utilizador Página 346

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Analog Modules
5-130
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
5.24 Analog Input Module SM 431; AI 8 16 Bit;
(6ES7431-7KF00-0AB0)
Characteristics
The analog input module SM 431; AI 8 16 Bit has the following features:
8 isolated differential inputs for voltage/current/temperature measurement
Unlimited measuring range selection
Linearization of the thermocouple characteristic curves
16-bit resolution
Programmable diagnostics
Programmable diagnostic interrupt
Programmable hardware interrupt when limit has been exceeded
Analog section isolated from CPU
The maximum permissible common mode voltage between the channels and
between the channel and the central ground point is 120 VAC
Internal measured resistance
Field connection (6ES7431-7K00-6AA0) with internal reference temperature
(included with the product)
Calibration Software
The analog input module SM 431; AI x 16 Bit; (6ES7431-7KF00-0AB0) is delivered
with the software “S7-400 Thermocouple User Calibration” on two diskettes. After
installing the software, you can define user–specific calibration values for each
channel and and each module input range. You will find further information under
ID 12436891 at the Customer Support FAQ site.
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