M7-400 Expansions

12-25

S7-400, M7-400 Programmable Controllers Module Specifications
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

With Mass Storage Module MSM 478
6ES7 478-2AB00-0AC0
Performance Features
Diskette 3.5”, 1.44 Mbytes
Hard disk ≥ 516 x 106 bytes
Parallel port 1, LPT1
Connection of
expansion modules Yes
Technical Specifications
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
Ambient Operating Conditions
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 oC
from 0 to 55 oC
from 0 to 40 oC
max. 10 K/h
8% to 80% at 25 oC,
no condensation
-50 m to 2,000 m
0,035 mm,
constant amplitude
0.1 g, constant
acceleration
Semisinusoidal: 5 g,
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 oC
max. 20 K/h
8% to 80% at 25 oC,
no condensation
3.5 mm amplitude
1 g acceleration
Semisinusoidal: 50 g,
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.