Technical Specifications

Masoneilan Valves ValVue ESD Instruction Manual =| 99
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Tag Information
The Tag Information on the Monitor screen displays the following items:
 Tag
 Descriptor
 Message
 Date
 Assembly Number
This data appears at the same location on the Monitor, Configure and Calibrate screens but
can only be changed on the Configure screen (See “Changing Tag Information” on page 124).
PST/ESD Information
The Monitor screen contains status information on SVI II ESD's Partial Stroke Testing (PST) and
on the Emergency Shutdown Device (ESD) function. The PST/ ESD status fields are:
 New PST - indicates when a new PST has been executed
 New ESD Event - indicates whether there is a new ESD status event
 PST in Progress - indicates whether a PST is in progress or not
 ESD Tripped - indicates whether the Safety function has been tripped or not
 ESD Type - indicates the type of SVI II ESD device: ASD, DSD, A/DSD - See “ESD Types”
on page 100.
 Device Busy
 Communication/No Communication - indicates if the SVI II ESD is in communication
with the Safety System
If the Status field is colored red, that status field is current.