Siemens Simatic M7-400 Manual do Utilizador Página 249

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Analog Modules
5-33
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Effect of Range of Values on the Analog Output Module
The behavior of the analog modules depends on where the output values lie within
the value range.
Table 5-40 Behavior of the Analog Output Modules as a Function of the Position of the
Analog Value Within the Range of Values
Process Value
Lies Within
Output Value LED
(EXTF)
Diagnostics Interrupt
Rated range CPU value
Overrange/und
errange
CPU value
Overflow 0 signal
Underflow 0 signal
5.5.3 Effect of Operational Limit and Basic Error Limit
Operational Limit
The operational limit is the measuring error or output error of the analog module
over the entire temperature range authorized for the module, referred to the rated
range of the module.
Basic Error Limit
The basic error limit is the operational limit at 25°C, referred to the rated range of
the module.
Note
The percentage details of operational and basic error limits in the technical
specifications of the module always refer to the highest possible input and output
value in the rated range of the module.
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