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 Default2) Parameter
Type Scope
Enable
Diagnostic interrupt1)
Hardware interrupt1) Yes/no
Yes/no No
No Dynamic Module
Destination CPU for
interrupt 1 to 4 Static Module
Trigger for hardware
interrupt3)
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 oC
–327.68 to 327.67 oF100 oCDynamic Module
Temperature unit4) Degrees Celsius; degrees Fahrenheit Degrees
Celsius
Interference
suppression 400 Hz; 60 Hz; 50 Hz; 10 Hz 60 Hz Static Module