Siemens Simatic S7-400 - Manual (Page 351)

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