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II - DCE FEL ČVUT v Praze

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SIMATIC S7 Ex Analog Modules<br />

Effective<br />

measuring ranges<br />

of resistance<br />

sensors<br />

3-6<br />

Table 3-5 shows the representation of the digitized measured value for<br />

resistance sensors with the measuring ranges 150 Ω, 300 Ω and 600 Ω.<br />

Table 3-5 Representation of the digitized measured value of an analog input module (resistance sensor)<br />

Measuring Measuring Measuring<br />

Units<br />

range 150 Ω range 300 Ω range 600 Ω decimal hexadecimal<br />

Range<br />

> 176.383 > 352.767 > 705.534 32767 7FFFH Overflow<br />

176.383 352.767 705.534 32511 7EFFH<br />

: : : : : Overrange 1) g<br />

150.005 300.011 600.022 27649 6C01H<br />

150.000 300.000 600.000 27648 6C00H<br />

112.500 225.000 450.000 20736 5100H<br />

: : : : :<br />

0.000 0.000 0.000 0 0H<br />

(negative values physically not possible)<br />

1) The same degree of accuracy as in the rated range is guaranteed in the overrange.<br />

Rated range<br />

I/O Modules with Intrinsically-Safe Signals<br />

C79000-G7076-C152-04

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