Document reference MAODS301/E
USER MANUAL
Edition 4 - May 2022
SpeedSys300 ODS301 overspeed detection system
3 - 15
Installation considerations
INSTALLATION OF A SPEEDSYS300 ODS301
illustrates the way in which a 2oo3 voting logic structure can be implemented
using the safety relay 2 of three SpeedSys300 ODS301 modules.
Table 3-12:
2oo3 – using safety relay 2 of SpeedSys300 ODS301 modules
SpeedSys300 ODS301 modules
2oo3 to customer
#1
#2
#3
B21
↔
B24
B21
↔
B24
B24
↔
B21
B22
↔
B22
↔
B22
↔
2oo3 connection to customer circuit
B23
↔
B23
↔
B23
↔
2oo3 connection to customer circuit
Summary of Contents for vibro-meter SpeedSys300 ODS301
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