Connecting The Svi Ii Esd To The Sis Logic Solver - GE Masoneilan SVI II ESD Installation And Maintenance Manual

Safety Parameters
For detailed failure rate information refer to the Failure Modes, Effects and Diagnostic Analysis
Report for the SVI II ESD available from the factory.
SIL Certification
This product guarantees to respond to commanded trip signal with a PFD in accordance to
IEC61508 SIL3
Capable of partially stroking the valve using one of the following initiation methods, that will
be IEC61508 SIL2 certified:
Built-In Scheduler within the SVI II ESD
Locally with an external pushbutton
Locally with built-in pushbutton
HART
Analog Input current threshold

Connecting the SVI II ESD to the SIS Logic Solver

When connecting the SVI II ESD to the SIS logic solver follow the guidelines below.
The SVI II ESD is connected to the safety rated logic solver which is actively performing
the safety function. Connections must be made as per the instructions supplied by the
safety rated logic solver.
The output rating of the I/O module has to meet or exceed the electrical specifications
of the SVI II ESD as referenced in ES-727 in the SVI II ESD Quick Start Guide,
MN-SVI-ESD_QSG-GEA19520.
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Masoneilan SVI II ESD Installation and Maintenance Manual
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