Siemens Simatic M7-400 Reference Manual page 351

5.24.1 Commissioning the SM 431; AI 8
You set the mode of operation of the SM 431; AI 8
Parameter
You will find a description of the general procedure for assigning parameters to
analog modules in Section 5.7.
An overview of the parameters that you can set and their default settings are
shown in the table below.
Table 5-74 Parameters of the SM 431; AI 8
Parameter
Enable
•
1)
Diagnostic interrupt
•
1)
Hardware interrupt
•
Destination CPU for
interrupt
Trigger for hardware
3)
interrupt
•
High limit
•
Low limit
Diagnostics
•
Wire break
•
Reference channel
error
•
Underflow
•
Overflow
Measurement
•
Measuring method
•
Measuring range
•
Reference
temperature
•
4)
Temperature unit
•
Interference
suppression
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
16 Bit
Value Range
Yes/no
Yes/no
1 to 4
32767 to – 32768
– 32768 to 32767
Yes/no
Yes/no
Yes/no
Yes/no
Disabled
U Voltage
4DMU Current
(four-wire transmitter)
TC-L Thermocouple (linear)
Refer to Section 5.24.2 for the
measuring ranges of the input
channels that you can set.
o
– 273.15 to 327.67 C
o
–327.68 to 327.67 F
Degrees Celsius; degrees Fahrenheit
400 Hz; 60 Hz; 50 Hz; 10 Hz
Analog Modules
16 Bit
16 Bit in STEP 7.
2)
Default Parameter
Type
No Dynamic
No
–
Static
Dynamic Dynamic
–
–
No
No
Static
No
No
TC-L
Static
Type J
o
100 C
Dynamic
Degrees
Celsius
60 Hz
Static
Scope
Module
Module
Channel Channel
Channel
Channel
Module
Module
5-135