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P & I Design Ltd.
Instrument Specification
CLIENT:
REV DATE
BY
CHKD
APPD
CLIENT REF.
Local Fuel PLC
A 05.05.15 PP
DBF
DBF
LFS-SIS1
The Shoreham Oil Terminal
P & I REF.
LF364009_SPC
SHT
1
OF
3
ITEM
Isolating Unit
(IS)
GENERAL
Tag Number
See Sheet 2
Service
Additive Tank High Level Alarm
Area Classification
Safe Area (Zone 1 IIA T3)
UNIT
Type
Transmitter Power Supply / Trip Amplifier
Supply
24V dc (20…30Vdc)
Number of Channels
1
Input
4 to 20mA (Hart)
Output
4 to 20mA
Hazardous Area Limits:
Voltage Min
>15 Vdc @ 20mA
Current Max
33mA (Short Circuit)
TRIP
AMPLIFIER
Input:
Type
Current 4 to 20 mA (Hart)
Failure Mode Downscale on loss of input
Output 1:
Type
Relay
Alarm
Low
Action
SPDT
Deadband
User set (TBC)
Output 2:
Type
Relay
Alarm
Low
Action
SPDT
Deadband
User set (TBC)
Supply
24V dc
HOUSING
Material
Manufactures Standard
Mounting
DIN rail (Top Hat) or Power Rail
Enclosure Class
IP20
Electrical Classification:
Load
EEXia IIC T4
Unit
ATEX II (1) GD [EEx ia] IIC
ATEX Certification
TUV01ATEX1701
Electrical Connection
Removable screw terminals
OPTIONS
Suitable for use in a SIS SIL2 (IEC 61508)
MANUFACTURERS
Supplier
Pepperl & Fuchs
DATA
Model Number
KFD2-CRG2-Ex1.D
DOCUMENTATION
See Attached Documentation Specification
REVISION HISTORY
Rev
Description
A
Original Issue Post FAT
XY#-ISA2.SPC