User's Manual

4-9
MOBY U – Manual for Configuration, Installation and Service
(4) J31069-D0139-U001-A2-7618
4.3 MDS U524
The MDS U524 is a mobile data memory (MDS) with a large, 32–Kbyte stor-
age capacity for use in the automotive industry and other industrial produc-
tion plants with similar requirements. The particularly low current consump-
tion guarantees a long life of 8 years. The interference–immune and robust
MDS can be read and written at a maximum distance of 3 m. Addressing the
MDS U524 is easy with the filehandler (from MOBY I) which uses logical
file addresses. In addition, the MDS can also be used with direct memory
accessing. The transmission frequency in the ISM frequency band at 2.4 GHz
makes the MDS’s net data transmission speed very fast (up to 16 Kbyte/sec
without multitaging and up to 8 Kbyte/sec with multitaging of two MDSs).
Figure 4-5 MDS U524
Table 4-6 Ordering data of the MDS 524
Order No.
Mobile data memory MDS U524
With 32–Kbyte RAM
MDS ID number (32 bits)
Read–only memory (128 bits)
6GT2500-5CE10
Table 4-7 Technical data of the MDS U524
Fixed code memory
MDS ID number (32 bits)
Read–only memory 128 bits, to be written once by user
Application memory
Memory technology
Memory size
Memory organization
RAM
32 Kbytes
Byte access; filehandler mode
Data retention time 10 years
MTBF (at +40°C) 2.5 x 10
6
hours (without conside-
ring battery)
Read/write distance 0.15 m up to 3 m
Ordering data
Technical data
Mobile Data Memorie
s