Siemens Simatic S7-400 User Manual
Page 547
Interface Submodules
13-51
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
13.7.10
Analog Value Representation for the Measuring Ranges of the
Analog Inputs
Voltage and Current Measuring Ranges
Table 13-43 contains the representation of the digitized measured value for
•
The voltage measuring range
±
10 V and
•
The current measuring range
±
20 mA.
Table 13-43
Representation of the Digitized Measured Value for the Analog Input Function (Voltage and
Current Measuring Range)
Range
Measured
Units
Measuring Range
Measuring Range
Range
Measured
Value in %
Decimal
Hexadecimal
"
10 V
"
20 mA
Overflow
≤(
118.51
32767
7FFF
H
≤(
11.851 V
≤(
23.7 mA
Overrange
117.589
:
100.004
32511
:
27649
7EFF
H
:
6C01
H
11.7589 V
:
10.0004 V
23.515 mA
:
20.001 mA
Nominal
range
100
:
0
:
-100
27648
:
0
:
-27648
6C00
H
:
0
H
:
9400
H
10 V
:
0 V
:
-10 V
20 mA
:
0 mA
:
-20 mA
Underrange
-100.004
:
-117.59
-27649
:
-32512
93FF
H
:
8100
H
-10.0004 V
:
-11.759 V
-20.001 mA
:
-23.516 mA
Underflow
≥
-118.51
-32768
8000
H
≥
-11.851 V
≥
-23.7 mA