Siemens ET 200pro - Influence of the Range of Values

Analog electronic modules
15.13 Influence of the range of values
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
449
15.13
Influence of the range of values
Influence of analog signals on input values
The reaction of electronics modules with analog inputs depends on the position of input
values within the range of values. The table below shows this dependency.
The measured value is
Result
GE LED
Diagnostics data range of
the module
Interrupt
Within the nominal range Measured
value
- - -
Within the overrange/undershoot
range
Measured
value
- - -
Within the overflow range
7FFF
H
lit
Entry
1
Diagnostic interrupt
1
Within the underflow range
8000
H
lit
Entry
1
Diagnostic interrupt
1
Above the high limit, or below the low
limit
Measured
value
- - Process interrupt
2
Out of the parameterization range, or
with faulty parameters
7FFF
H
/meas
ured value
3
lit Entry Diagnostic interrupt
1
If the
group diagnostics
and
measuring range
parameters are enabled at the analog input module.
2
If the
process interrupt
parameter is enabled at the analog input module.
3
A module parameterized correctly continues operation with its correct parameters.
Influence of output values on analog outputs
The reaction of electronic modules with analog outputs depends on the position of the input
values within the range of values. The table below shows this dependency.
The output value is
Result
GE LED
Diagnostics data range
of the module
Interrupt
Within the nominal range Value from the
DP master/
IO controller
- - -
Within the overrange/undershoot
range
Value from the
DP master/
IO controller
- - -
Within the overflow range
0 signal
-
-
-
Within the underflow range
0 signal
-
-
-
Out of the parameterization range,
or with faulty parameters
0 signal lit Entry Diagnostic interrupt