Siemens M7-400 ユーザーズマニュアル

12-25

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

The table below contains the technical specifications of the MSM mass storage
module: 478

Diskette

3.5”, 1.44 Mbytes

Hard disk

≥

 516 x 10

6

 bytes

Parallel port

1, LPT1

Connection of
expansion modules

Yes

Supply voltage

5 VDC

Current consumption

1 A

Power losses

5 W

Dimensions
W x H x D (mm)

25 x 290 x 210

Weight

1.08 kg

Temperature:

Without forced 
ventilation
With forced ventilation

without diskette
with diskette

Temperature change:

Relative humidity:

Height (in relation to sea
level)

Mechanical vibrations
(measured at the drive)

10 

≤

 f 

≤

 58 Hz

58 

≤

 f 

≤

 500 Hz

Shocks:
(measured at the drive)

from 0 to 40 

o

C

from 0 to 55 

o

C

from 0 to 40 

o

C

max. 10 K/h

8% to 80% at 25 

o

C,

no condensation

-50 m to 2,000 m

0,035 mm, 
constant amplitude
0.1 g, constant
acceleration

Semisinusoidal: 5 g,
11 ms

Temperature:

Temperature change:

Relative humidity:

Mechanical vibrations

5 

≤

 f 

≤

 9 Hz

9 

≤

 f 

≤

 500 Hz

Shocks:

from -10 to 60 

o

C

max. 20 K/h

8% to 80% at 25 

o

C,

no condensation

3.5 mm amplitude
1 g acceleration

Semisinusoidal: 50 g,
11 ms

The ambient conditions specified are limit values determined by the hard disk
drive. The values must not be exceeded on the hard disk drive.