Siemens Simatic M7-400 Bedienungsanleitung Seite 257

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Analog Modules
5-41
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Table 5-42 Parameters of the Analog Input Modules, continued
Parameter ScopeParameter
Type
Default
2)
Value Range
Measurement
Measuring type Disabled
U Voltage
4DMU Current
(four-wire transmitter)
2DMU Current
(two-wire transmitter)
R-4L Resistance
(four-conductor connection)
R-3L Resistance
three-conductor connection
RTD-4L Thermal resistor
(linear, four-conductor
connection)
RTD-3L Thermal resistor
(linear, three-conductor
connection)
TC-L Thermocouple (linear)
U
Static Channel
Measuring range For the settable measuring ranges of
the input channels, please refer to the
individual module description.
"10 V
Reference
temperature
– 273.15 to 327.67
o
C 0
o
C
Dynamic Module
Temperature unit Degrees Celsius; degrees Fahrenheit;
Kelvins
Degrees
Celsius
Static Module
Temperature
coefficient for
temperature
measurement with
thermal resistor
(RTD)
Platinum (Pt)
0.00385 /°C
0.003916 /°C
0.003902 /°C
0.003920 /°C
Nickel (Ni)
0.00618 /°C
0.00672 /°C
0.00385
Static Channel
Interference
frequency
suppression
400 Hz; 60 Hz; 50 Hz; 10 Hz; none 50 or 60
Hz
Smoothing None
Low
Average
High
None
Reference junction None
Internal
RTD on channel 0
Reference temperature value dynamic
None
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 CC (central controller) is it possible to start up the analog modules with the default settings.
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