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Siemens Simatic S7-400 User Manual

Page 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

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

W/W

/

°

C

0.003916

W/W

/

°

C

0.003902

W/W

/

°

C

0.003920

W/W

/

°

C

Nickel (Ni)
0.00618

W/W

/

°

C

0.00672

W/W

/

°

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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