Panametrics Sentinel LCT, User Manual

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Sentinel LNG User’s Manual 9
Chapter 1. Features and Capabilities
• Two alarm relays
• O ne 4/20 mA isolated output with HART
1.3.3.9 Inputs
Two 4/20 mA and one 100 Ohm RTD input for density, pressure and temperature input (optional), or
Three 4/20 mA inputs for density, pressure and temperature input (optional).
1.3.3.10 Digital Interfaces
• HART over 4/20 mA output
• PanaLink over RS232/485/USB
• Modbus over RS232/485 (optional)
1.3.3.11 Flow Computer Functionality
Integrated flow computer with full P and T volume corrections according to API 11.1
1.3.3.12 Hazardous Area Classification
• USA / Canada:
Class I, Division 1, Groups B, C and D; T6
Class II and III, Division 1, Groups E, F & G: T6
Ta = –40°C to +60°C
Enclosure Type 4X & IP66
• Europe:
ATEX and IECEx:
II 2 G Ex d IIB + H2, T6 IP66
II 2 D Ex tD A21 IP66 T85C
Ta = –40° to +60°C
1.3.3.13 CE Marking Compliance
• 2006/95/EC Low Voltage Directive
• 97/23/EC Pressure Equipment Directive
1.3.4 Ordering Information
1.3.4.1 Sentinel Electronics SEN898
Table 5 below shows how the
Sentinel LNG Electronics SEN898
part numbers are configured from the options specified.
A - B - C - D - E - F - G - Z
SEN898 - - - - - - -
LTR CATEGORY OPTIONS
B Power
1
= 100 to 240 VAC operating voltage
2
= 12 to 32 VDC operating voltage
C
Inputs
1
= One 100 Ohm RTD input; Two 4-20mA inputs
2
= Three 4-20mA inputs
D Communications
0
= Std W/2 frequency/pulse outputs, one 4-20mA output w/HART, two alarms and
Panalink over RS232/RS485/USB
1
= Modbus RTU over RS232/RS485
E Flow Computer LNG
= Active compensation for tube contraction (for LNG only, 3 input board)
1
= N. American Explosion Proof, Class 1, Div 1, groups B, C and D
F Certifications 2
= European Flame Proof, II 2G Ex d IIC
3
= European Flame Proof increased safety, II 2G Ex de IIC