Siemens S7-400 Benutzerhandbuch

5-92

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

 

Associated programming
package

As of STEP 7 V 2.0

Dimensions W 

 

 H 

 

 D

(in millimeters)

25 

 

 290 

 

 210

Weight

Approx. 500 g

Number of inputs

•

For resistance-type sensor

8

4

Length of cable

•

Shielded

Max. 200 m

Rated load voltage L+

24 VDC (required only
for the supply of 2-wire
transmitters)

•

Reverse polarity protection

Yes

Power supply of the
transmitters

•

Supply current

Max. 50 mA

•

Short-circuit proof

Yes

Constant measured current for
resistance-type sensor

Typ. 1.67 mA

Isolation

•

Between channels and
backplane bus

•

Between the channels

•

Between channels and
load voltage L+

Yes

No

Yes

Permitted potential difference

•

Between inputs and M

ANA

(U

CM

)

8 VAC

•

Between the inputs (E

CM

)

8 VAC

•

Between M

ANA

 and

M

internal

 (U

ISO

)

75 VDC/60 VAC

Insulation tested

•

Between bus and analog
section

•

Between bus and chassis
ground

•

Between analog section
and L+/M

•

Between analog section
and chassis ground

•

Between L+/M and chassis
ground

2120 VDC

500 VDC

707 VDC

2120 VDC

2120 VDC

Current consumption

•

From the backplane bus

Max. 1000 mA

•

From the backplane bus L+

Max. 200 mA (with 8
connected, fully
controlled 2-wire
transmitters)

Power dissipation of the
module

Typ. 4.9 W

Measuring principle

Actual-value
conversion

Integration time/conversion
time/resolution (per channel)

(Does not go into the
response time)

•

Parameters can be
assigned

Yes

•

Interference voltage
suppression f1 in Hz

None/400/60/50

•

Basic conversion time in
ms

52 

s

•

Resolution (incl.
overrange)

14/14/14

Smoothing of the measured
values

Can be parameterized 
“none – a lot”

Time constant of the input 
filter

15 

s

Basic execution time of the
module, in ms (all channels
enabled)

0.420