Table 23. IRIG-B (connector X8)
Description
Value
IRIG time code format
B004, B005
1)
Isolation
500V 1 min
Modulation
Unmodulated
Logic level
5 V TTL
Current consumption
<1.0 mA
Power consumption
<0.5 W
1)
According to the 200-04 IRIG standard
Table 24. Lens sensor and optical fiber for arc protection
Description
Value
Fiber optic cable including lens
1.5 m, 3.0 m or 5.0 m
Normal service temperature range of the lens
-40...+100°C
Maximum service temperature range of the lens, max 1 h
+140°C
Minimum permissible bending radius of the connection fiber
100 mm
Table 25. Degree of protection of flush-mounted protection relay
Description
Value
Front/connector side
IP 20
Top and bottom
IP 30
Rear
IP 40
Table 26. Degree of protection of the LHMI
Description
Value
Front
IP 54
Other sides
IP 20
Table 27. Environmental conditions
Description
Value
Operating temperature range
-25...+55ºC (continuous)
Short-time service temperature range
-40...+85ºC (<16 h)
1)2)
Relative humidity
<93%, non-condensing
Atmospheric pressure
86...106 kPa
Altitude
Up to 2000 m
Transport and storage temperature range
-40...+85ºC
1)
Degradation in MTBF and HMI performance outside the temperature range of -25...+55 ºC
2)
For relays with an LC communication interface the maximum operating temperature is +70 ºC
1MRS759144 A
REX640
Product version: 1
ABB
33
Summary of Contents for RELION REX640
Page 1: ...RELION PROTECTION AND CONTROL REX640 Product Guide...
Page 128: ...128...
Page 129: ......
Page 130: ......
Page 131: ......