© 2018 Baker Hughes, a GE company, LLC. All rights reserved.
Masoneilan SVI II ESD Quick Start Guide
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Table 12: Safety Rated Inputs
Device
Terminal
Signal
Action
Safety Integrity
Level
ASD
4 - 20 mA IN
< 5.6 mA
De-energize to
Trip
3
A/DSD
24 VDC IN
< 3 VDC
De-energize to
Trip
3
DSD
24 VDC IN
< 3 VDC
De-energize to
Trip
3
Table 13: Input Signal, Power, and Display Specifications
Power Supply
Taken from 4-20 mA control signal
Compliance Voltage Rating
ASD - 9.6 V at 20 mA, 11.0 V at 4.0 mA
DSD - 24 V at 12 mA
A/DSD - 9.6 V at 20 mA, 11.0 V at 4.0 mA
Minimum Cut-off Current
3.2 mA
Wire Size
14/28 AWG
Strip Length
0.22" / 6 mm
Digital Communication
HART
®
Communication protocol signal from
ValVue ESD software on a personal computer
or a hand held device. HART
®
point to point
and burst mode.
Local Display Liquid Crystal
Three lines of nine alpha numeric characters.
Display becomes unreadable between 0 °C
and -10 °C. Display is shutdown at -15 °C.
Push Buttons
Three Explosion Proof / Flameproof push
buttons
