Siemens S7-400PLC Spécifications Page 304

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Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
S7-400 Automation System Module Data
304 Reference Manual, Edition 09/2009, A5E00850736-06
Parameters Value range Default
2
Parameter
type
Scope
Measurement
Disabled
U Voltage
4DMU Current
(4-wire transducer)
2DMU Current
(2-wire transducer)
R-4L Resistance
(4-conductor
connection)
R-3L Resistance
(3-conductor
connection)
RTD-4L Thermal resistance
(linear, 4-wire
connection)
RTD-3L Thermal resistance
(linear,
3-conductor connection)
Measuring method
TC-L Thermocouple (linear)
U
Measuring range
For information on configurable
measuring ranges of input channels,
refer to the section "Measuring
methods and measuring ranges of
SM 431; Ai 16x16 Bit".
±10 V
Static Channel
Reference temperature
- 273.15 to 327.67
o
C 0,00
o
C
Noise suppression
400 Hz; 60 Hz; 50 Hz 50 Hz
Smoothing
None
Weak
Medium
Strong
None
Reference junction
None
RTD on Channel 0
Reference temperature value
None
Dynamic Module
1
If you use the module in ER-1/ER-2, you must set this parameter to "No" because the interrupt lines are not available in
ER-1/ER-2.
2
Only in the CR (central rack) is it possible to start up the analog modules with the default settings.
A point to note about channels for hardware interrupts with the end of scan cycle trigger
You can configure hardware interrupts for the end of scan cycle for one of the 16 channels
because the module can only trigger these interrupts on one channel.
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