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
Scope
Parameter
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.