Siemens SIMATIC - Page 281

Principles of analog modules
5.2 Representation of analog values for analog output channels
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
281
Representation of analog values in the current output ranges
Table 5- 39 Representation of analog values in the ±20 mA output range
System
Current output range
dec
hex
±20 mA
118,5149 % 32767 7FFF 0.00 mA Overflow, off power
32512
7F00
117,589 %
32511
7EFF
23.52 mA
Overshoot range
27649
6C01
100 %
27648
6C00
20 mA
75 %
20736
5100
15 mA
Rated range
0,003617 %
1
1
723.4 nA
0 %
0
0
0 mA
-1
FFFF
-723.4 nA
-75 %
-20736
AF00
-15 mA
-100 %
-27648
9400
-20 mA
-27649
93FF
Undershoot range
-117,593 %
-32512
8100
-23.52 mA
-32513
80FF
Underflow, at zero voltage and current
-118,519 %
-32768
8000
0.00 mA
Table 5- 40 Representation of analog values in the 0 mA to 20 mA and 4 mA to 20 mA output ranges
System
Current output range
dec
hex
0 mA to 20 mA
4 mA to 20 mA
118,5149 %
32767
7FFF
0.00 mA
0.00 mA
Overflow, off power
32512
7F00
117,589 %
32511
7EFF
23.52 mA
22.81 mA
Overshoot range
27649
6C01
100 %
27648
6C00
20 mA
20 mA
Rated range
75 % 20736 5100 15 mA 16 mA
0,003617 %
1
1
723.4 nA
4 mA + 578.7 nA
0 % 0 0 0 mA 4 mA
-1
FFFF
Undershoot range
-25 %
-6912
E500
0 mA
-6913
E4FF
Not supported. Output value
limited to 0 mA.
-117,593 %
-32512
8100
-32513
80FF
Underflow, at zero voltage
and current
-118,519 %
-32768
8000
0.00 mA
0.00 mA