5.2
Module overview
Features of the analog modules
The tables below set out the main features of the analog modules. This summary is designed
to help you select the right module for your requirements.
Table 5-1
Analog input modules: Summary of features
Properties
SM 431;
AI 8 x 13 bit
(-1KF00-)
SM 431;
AI 8 x 14 bit
(-1KF10-)
SM 431;
AI 8 x 14 bit
(-1KF20-)
SM 431;
AI 16 x 13 bit
(-0HH0-)
SM 431;
AI 16 x 16 bit
(-7QH00-)
SM 431;
AI 8 x RTD
16 bit
(-7KF10-)
SM 431;
AI 8 x 16 bit
(-7KF00-)
Number of inputs
8 AI for U/I
measure‐
ment
4 AI for re‐
sistance
measure‐
ment
8 AI for U/I
measure‐
ment
4 AI for re‐
sist. / temp.
measure‐
ment
8 AI for U/I
measure‐
ment
4 AI for re‐
sistance
measure‐
ment
16 inputs
16 AI for U/
I / temp.
measure‐
ment
8 AI for re‐
sistance
measure‐
ment
8 inputs
8 inputs
Resolution
13 bits
14 bits
14 bits
13 bits
16 bits
16 bits
16 bits
Type of measure‐
ment
Voltage
Current
Resistance
Voltage
Current
Resistance
Tempera‐
ture
Voltage
Current
Resistance
Voltage
Current
Voltage
Current
Resistance
Tempera‐
ture
Resistance Voltage
Current
Tempera‐
ture
Measuring principle
Integrating
Integrating
Instantane‐
ous value
encoding
Integrating
Integrating
Integrating
Integrating
Configurable diag‐
nostics
No
No
No
No
Yes
Yes
Yes
Diagnostic interrupt
No
No
No
No
Can be set
Yes
Yes
Threshold value
monitoring
No
No
No
No
Can be set
Can be set
Can be set
Hardware interrupt
upon limit violation
No
No
No
No
Can be set
Can be set
Can be set
Hardware interrupt at
end of cycle
No
No
No
No
Can be set
No
No
Voltage relationships Analog section isolated from the CPU
Non-isola‐
ted
Analog section isolated from the CPU
Analog modules
5.2 Module overview
S7-400 Automation System Module Data
164
Reference Manual, Ausgabe 11/2016, A5E00850736-08