Emerson EPRO Dual Channel Key-pulse Module MMS6310
Description:
MMS 6310 detects a key pulse from a rotating shaft using the output of a pulse sensorin combination with a key-mark on the shaft or a trigqering wheel.
Both channels may be separately used to detect:
Each one key-pulse from 2 different shafts with each one key-mark running at different speeds (with phase relation). The module can also be used as part of multichannel or redundant systems. 
Key-pulse detection as described is recommended among and together with measurements of diverse parameters to build up Turbomachine Protection Systems and to provide the inputs requested by Analysis and Diagnostic Systems, Field Bus Systems, Distributed Control Systems, plant/host computers and networks as e.g.WAN/LAN, Ethernet. Such systems are also suitable to build up systems to increase the performance and efficiency the safety of operation and extend the lifetime of machines such as steam-gas-hydro turbines as well as compressors, fans centrifuges and other turbomachines.