Baker Hughes Masoneilan SVI II AP, Quick Start Manual

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© 2018 Baker Hughes, a GE company, LLC. All rights reserved.
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ES-699 Rev AD
Page 8 of 13
7 *Intrinsically Safe Installation Wiring Requirements
Each intrinsically safe cable must include a grounded shield or be run in a separate
metal conduit.
TRANSMITTER
+
-
NON-HAZARDOUS LOCATION - UNSPECIFIED EXCEPT
THAT BARRIERS MUST NOT BE SUPPLIED FROM NOR
CONTAIN UNDER NORMAL OR ABNORMAL CONDITIONS
A SOURCE OF POTENTIAL WITH RESPECT TO EARTH IN
EXCESS OF 250 VOLTS RMS OR 250 VOLTS DC
HAZARDOUS LOCATION
SEE 8.1, 8.2
1
2 4
3
250 Ω
+
-
1
2
3
R
E
M
SVI-II
Remote
Mount
SVI-II AP
4-20 mA
IN
-
4-20 mA
OUT
SW
PV
1-5 VDC
OPTIONAL HAND
HELD
COMMUNICATOR
(SEE NOTE 8.9)
1
2 4
3
1
2 4
3
1
2 4
3
1
2 4
3
Transmitter Barrier Type with
interanl of external Sense
Resistor (SEE NOTE 8.4)
24 VDC from
Control System
1 to 5 Volts POSTION
FEEDBACK to Control
System
4-20 mA SETPOINT from
Control System
OPTIONAL HAND
HELD
COMMUNICATOR
Optional
Solendoid
SEE NOTE 8.6
+
+
-
-
SHUNT ZENER DIODE SAFETY
BARRIER Transmitter Type with
Internal or External Sensing Resistor
(SEE NOTE 8.5)
SHUNT ZENER DIODE
SAFETY BARRIER (SEE
NOTE 8.6)
SHUNT ZENER DIODE SAFETY
BARRIER Controller Output Type
(SEE NOTE 8.3 and 8.5)
24 VDC from
Control System
1 to 5 Volts to Control
System
24 VDC from
Control System
DI to Control
System
Optional Intrinsically Safe Process
Variable Transmitter
LOAD
The Optional 4-20mA Position
Output from the SVI-II AP must not
be connected in an Intrinsically Safe
Installation which requires FM or
CSA approval (SEE NOTE 8.4)
Optional 1-5 Volt
Process Variable
Input to SVI-II AP
250 Ω
Equi-
Potential
SEE NOTE 8.6
*
Applies to ‘ia’ and ‘ic’