Siemens SIMATIC S7-300 Reference Manual page 350

Analog Modules
Table 4-73 Parameters of the SM 331; AI 8 x TC, continued
Parameter
Measurement
•
Measuring Method
•
Measuring Range
•
Reaction to open
thermocouple
•
Temperature unit
•
Module filtering
mode
•
Interference
suppression*
•
Smoothing
50/60/400 Hz programmable only for modes 8 or 4-Channel Hardware Filter Modes;
*
50 Hz, 60 Hz or 400 Hz programmable only for mode 8-Channel Hardware Filter Mode
4-144
Value Range
Deactivated
TC-IL Thermocouple
(linear, internal
comparison)
TC-EL Thermocouple
(linear, external
comparison)
TC-L00C Thermocouple (linear, ref.
temperature 0°C)
TC-L50C Thermocouple (linear, ref.
temperature 50°C)
For the settable measuring ranges of
the input channels, please refer to
the individual module description.
Overflow; underflow
Degrees Celsius; degrees
Fahrenheit
8 channels hardware filter
8 channels software filter
4 channels hardware filter
50/60/400 Hz; 400 Hz; 60 Hz; 50 Hz;
None
Low
Average
High
Default
Settings meter
TC-IL
Dynamic
Type K
Overflow
Degrees Dynamic
Celsius
8 channels, Dynamic
hardware
filter
50/60/400 Dynamic
Hz
None Dynamic
Programmable Logic Controllers S7-300 Module Data
Para- Scope
Type
Channel
group
Module
Module
Channel
group
Channel
group
A5E00105505-03