User's Manual
RFID System
User's Manual
77
Section 6 Product Specifications
Section 6
Appendices
V680-D8KF68/-D32KF68
Item Model V680-D8KF68 V680-D32KF68
Memory capacity 8,192 bytes (user area) 32,744 bytes (user area)
Memory type FRAM
Data backup time 10 years after writing (70°C max.), 6 years after writing (85°C max.)
Memory longevity 10 billion times per block (85°C or less)
Access frequency (See note.): 10 billion times
Ambient operating
temperature
−20 to 85°C (with no icing)
Ambient storage
temperature
−40 to 85°C (with no icing)
Ambient operating
humidity
35% to 85%
Degree of protection P67 (IEC 60529)
In-house standard for oil resistance (former JEM standard equivalent to IP67g)
Vibration resistance 10 to 500 Hz, 1.5-mm double amplitude, acceleration: 100 m/s
2
, 10 sweeps each in X, Y, and Z
directions for 11 minutes each
Shock resistance 500 m/s
2
, 3 times each in X, Y, and Z directions (Total: 18 times)
Dimensions 86 × 54 × 10 mm
Materials Case: PBT resin
Fill resin: Epoxy resin
Weight Approx. 50 g
Metal countermeasures None
Note: The total communications frequency of the Read or Write is called an access frequency.










