Module Overview - Siemens SIMATIC S7-400 Reference Manual
Automation system module
data
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Also See for SIMATIC S7-400:
- Installation manual (316 pages) ,
- Hardware and installation manual (298 pages) ,
- Manual (206 pages)
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Analog modules
5.2 Module overview
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
AI 8 x 13 bit
Number of inputs
8 AI for U/I
measure‐
ment
4 AI for re‐
sistance
measure‐
ment
Resolution
13 bits
Type of measure‐
Voltage
ment
Current
Resistance
Measuring principle
Integrating
Configurable diag‐
No
nostics
Diagnostic interrupt
No
Threshold value
No
monitoring
Hardware interrupt
No
upon limit violation
Hardware interrupt at
No
end of cycle
Voltage relationships Analog section isolated from the CPU
164
SM 431;
SM 431;
AI 8 x 14 bit
(-1KF00-)
(-1KF10-)
8 AI for U/I
measure‐
ment
4 AI for re‐
sist. / temp.
measure‐
ment
14 bits
Voltage
Current
Resistance
Tempera‐
ture
Integrating
No
No
No
No
No
SM 431;
SM 431;
AI 8 x 14 bit
AI 16 x 13 bit
(-1KF20-)
(-0HH0-)
8 AI for U/I
16 inputs
measure‐
ment
4 AI for re‐
sistance
measure‐
ment
14 bits
13 bits
Voltage
Voltage
Current
Current
Resistance
Instantane‐
Integrating
ous value
encoding
No
No
No
No
No
No
No
No
No
No
Non-isola‐
ted
Reference Manual, Ausgabe 11/2016, A5E00850736-08
SM 431;
SM 431;
AI 16 x 16 bit
AI 8 x RTD
16 bit
(-7QH00-)
(-7KF10-)
16 AI for U/
8 inputs
I / temp.
measure‐
ment
8 AI for re‐
sistance
measure‐
ment
16 bits
16 bits
Voltage
Resistance
Current
Resistance
Tempera‐
ture
Integrating
Integrating
Yes
Yes
Can be set
Yes
Can be set
Can be set
Can be set
Can be set
Can be set
No
Analog section isolated from the CPU
S7-400 Automation System Module Data
SM 431;
AI 8 x 16 bit
(-7KF00-)
8 inputs
16 bits
Voltage
Current
Tempera‐
ture
Integrating
Yes
Yes
Can be set
Can be set
No
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