Siemens S7-400 Benutzerhandbuch

5-41

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07

Table 5-42 Parameters of the Analog Input Modules, continued

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

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.

Only in the CC (central controller) is it possible to start up the analog modules with the default settings.