Mobile data storage units   
5.4 MDS D124 
  MOBY D 
108  System Manual, 01/2010, J31069-D0147-A6-7618 
5.4.4  Technical specifications 
Table 5- 6  Technical data for MDS D124 
Memory size  128 bytes 
Memory configuration 
  Serial number 
  Configuration memory 
  Application memory 
 
  8 bytes (fixed code) 
  8 bytes 
  112 bytes 
Storage technology  EEPROM  
Memory organization  EEPROM 128 bytes gross 
112 bytes net capacity 
When using the OPT area, 16 bytes of it must be 
subtracted in 4 byte blocks 
Protocol  according to ISO 15693 
Data retention (at +40 °C)  10 years 
MTBF (at +40 °C)  ≥ 1.5 x 10
6
 hours 
Read cycles  Unlimited 
Write cycles at +40 °C, typical  1 000 000 
Write cycles, min.  100 000 
Read/write distance (S
g
)  See Chapter Field data (Page 33). 
Distance from metal  min. 25 mm (approx. 30% reduction of the field data) 
Multitag capability  Yes 
Power supply  Inductive power transmission  
(without battery) 
Degree of protection to EN 60529  IP68 
1)
 
IPx9K 
2)
 
Shock according to EN 60721-3-7, Class 7M3 
Total shock response spectrum, Type II 
100 g 
3)
 
Vibration-resistant to EN 60721-3-7, Class 
7M3 
20 g 
3)
 
Torsion and bending load  Not permissible 
Enclosure 
  Dimensions (D x H) in mm 
  Color 
  Material 
 
  27(±0.2) x 4(±0.2) 
  Black 
  Plastic PPS, silicone-free 
Fixing  Adhesive, M3 screw 
Tightening torque at +20 °C  ≤ 1 Nm 
(at high temperatures, the expansion coefficients of 
the materials used must be taken into account)