System Overview ProSafe-COM 3.00
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4.8 Y-net
interface
Function
The Y-net interface enables data exchange between ProSafe-COM and the data acquisition modules
within ProSafe-SLS. Furthermore the matrix panel controllers can be connected to the same network.
Hardware provisions
Y-net
The Y-net can support up to 120 I/O modules. Modules for safety system I/O and matrix panel
control can be mixed.
The Y-net is divided in segments; each segment can contain 32 modules.
The segments are separated by bus repeaters. Either fibre optic or standard bus
repeaters can be used and concatenated. Distances up to 15 km are possible.
Characteristics
•
RS-485 communication
•
Status acquisition, sequence of events recording, and forcing statuses
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Copyright Yokogawa Europe Solutions B.V.
TI48J01A00-00E Oct 2010
