Siemens SIMATIC ET 200eco PN - Influence of the Range of Values

I/O device analog input/analog output
10.3 Influence of the range of values
ET 200eco PN
Operating Instructions, 08/2016, A5E01250250-AJ
205
Output ranges for voltage and current: 0 to 10 V; 0 to 20 mA
Output range 0 to
10 V
Output range 0 to
20 mA
Units
Range
Decimal
Hexadecimal
0.00 V
0.00 mA
32767
7FFF
H
Overflow
32512
7F00
H
11.76 V 23.52 mA 32511 7EFF
H
Overrange
27649
6C01
H
10 V 20 mA 27648 6C00
H
Nominal range
7.5 V
15 mA
20736
5100
H
361.7 μV
723.4 nA
1
0001
H
0 V
0 mA
0
0000
H
-1
FFFF
H
Underflow
0.00 V
0.00 mA
-32768
8000
H
10.3
Influence of the range of values
Influence of analog signal on input value
The response of the I/O devices with analog inputs depends on the position of the input
values within the range of values. The table below shows this dependency.
The measured value lies
Result
SF LED
Diagnostics data range
of device
Interrupt
Within the nominal range
Measured value
-
-
-
Within the overrange/underrange
Measured value
-
-
-
Within the overflow
7FFF
H
On
Entry
1
Diagnostic interrupt
1
Within the underflow
8000
H
On
Entry
1
Diagnostic interrupt
1
Before parameter assignment
7FFF
H
-
-
-
Within an incorrect parameter as-
signment
2
Measured value On Entry Diagnostic interrupt
Within an incorrect initial parameter
assignment
7FFF
H
On Entry Diagnostic interrupt
1
If the the
group diagnostics
and
measuring range
parameters are enabled for the input device.
2
If a channel was previously parameterized correctly, it continues running with the last parameters.