Siemens SIMATIC MOBY D - Technical Specifications

Mobile data storage units
5.5 MDS D139
MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
113
5.5.4 Technical specifications
Table 5- 9 Technical data for MDS D139
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 See MOBY D System Manual,
Chapter 5.1, "Mobile Data Storage Units, Introduction",
section "Memory Allocation"
Data retention 10 years
MTBF 2 x 10
6
hours
Read cycles Unlimited
Write cycles at +40 °C
 minimum
 typical
 100 000
 1.000.000
Read/write distance (S
g
) See Chapter Field data (Page 33).
Distance from metal min. 30 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
50 g
Vibration-resistant to EN 60721-3-7, Class
7M3
20 g
Torsion and bending load Not permissible
Enclosure dimensions
 Dimensions (D x H) in mm
 Color
 Material
 85 (±0.5) x 15 (-1.0)
 Black
 Plastic PPS, silicone-free
Fixing 3 x M5 screw
1)
Tightening torque 1,5 Nm
4)