1.6.3
Memory specifications
Property
Type
Memory organization
Protocol
Data retention time
Read cycles
Write cycles
1.6.4
Environmental conditions
Property
Temperature range when operating in non-
hazardous areas
Temperature range when operating in areas at risk
of a gas explosion with temperature class T3-T6
Temperature range when operating in areas at risk
of dust explosions with T140 °C
Temperature range during storage
Shock
Vibration
compliant with EN 60721-3-7 Class 7 M3
Torsion and bending load
Degree of protection
MTBF
At temperatures above 70 °C the casing may distort slightly; this does not however cause
1)
any impairment of function (mechanical or electrical).
Directive 94/9/EC of the European Council of 23 March 1994 must be complied with, see
2)
also Chapter "Using the transponder in hazardous areas".
SIMATIC RF640T Gen 2
Operating Instructions, 05/2009, J31069-D0197-U001-A2-7618
Description
EPC Class 1 Gen 2
EPC code
User memory
TID
Reserved (passwords)
ISO 18000-6C
10 years
Unlimited
Minimum at +22 °C 100 000
SIMATIC RF640T Gen 2
1.6 Technical Specifications
Description
-25 °C ... 85 °C
1)
See alsoUse of the transponder in hazardous
areas for gases (Page 12)
See alsoUse of the transponder in hazardous
areas for dusts (Page 13)
-40 °C ... 125 °C
1)
100 g,
3)
20 g,
3)
Not permissible
IP 68 according to EN 60529:
(45 minutes. immersion in water; water depth
1 m from
top edge of housing at +20 °C)
IP x9K according to EN 60529:
Steam blaster nozzle distance 150 mm
•
10 to 15 l of water per minute
•
Pressure 100 bar
•
Temperature 75 °C
•
Test time 30 seconds
•
1,54 x 10
h
7
96 bits/240 bits
64 bytes
64 bits
64 bits
2)
2)
19