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Railway
Category:
Other
Updated:
30 Jun 2021
0
0
167
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Created by
Bill
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Events
First Fixed Signal
First Semaphore Signal
Electric Token
Track Circuit Block
Mechnical Interlock
Hydro Pneumatic
Electro Pneumatic
Relay Interlocking
Solid State Interlocking
2nd Generation PBI
HIMatrix CENELEC SIL4
Today
IEC 61508 Released
IEC 62279 Released
HIMax CENELEC SIL4
1st Generation PBI
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