Siemens S7-400 Benutzerhandbuch
M7-400 Expansions
12-25
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
A5E00069467-07
12.4.2
Technical Specifications of the MSM 478 Mass Storage Module
Technical Specifications of the MSM 478
The table below contains the technical specifications of the MSM mass storage
module: 478
module: 478
With Mass Storage Module MSM 478
6ES7 478-2AB00-0AC0
Performance Features
Diskette
3.5”, 1.44 Mbytes
Hard disk
≥
516 x 10
6
bytes
Parallel port
1, LPT1
Connection of
expansion modules
expansion modules
Yes
Technical Specifications
Supply voltage
5 VDC
Current consumption
1 A
Power losses
5 W
Dimensions
W x H x D (mm)
W x H x D (mm)
25 x 290 x 210
Weight
1.08 kg
Ambient Operating Conditions
Temperature:
Without forced
ventilation
With forced ventilation
ventilation
With forced ventilation
without diskette
with diskette
with diskette
Temperature change:
Relative humidity:
Height (in relation to sea
level)
level)
Mechanical vibrations
(measured at the drive)
(measured at the drive)
10
≤
f
≤
58 Hz
58
≤
f
≤
500 Hz
Shocks:
(measured at the drive)
(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
constant amplitude
0.1 g, constant
acceleration
Semisinusoidal: 5 g,
11 ms
11 ms
Environmental Conditions for
Storage/Transport
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
1 g acceleration
Semisinusoidal: 50 g,
11 ms
11 ms
Note
The ambient conditions specified are limit values determined by the hard disk
drive. The values must not be exceeded on the hard disk drive.
drive. The values must not be exceeded on the hard disk drive.