Specifications For Intrinsically Safe Execution - STI FasTrak Installation And Maintenance Instruction Manual

2.1 Specifications for intrinsically safe
•
Connections
o POWER: 2 wires from signal (min 3.5 mA,
12÷30 Vdc – Z equivalent 550 ohm)
o ELECTRICAL CONNECTION:
▪ Signal ½" NPT (or metric M20x1.5 on
request)
▪ Auxiliary input/output ½" NPT (or metric
M20x1.5 on request)
o PNEUMATIC CONNECTION: ½" NPT
female
o COMUNICATION PROTOCOL: HART, TTL
RS232
•
Input
o ANALOG: 4÷20 mA – HART
o ON OFF: 2x configurable digital
(optocoupler 24 Vdc)
•
Output
o ANALOG: 4÷20 mA passive loop 10÷26,5 V
o ON OFF: 2x configurable digital
(optocoupler 24 Vdc)
•
Stroke Movement
o FEEDBACK ANGLE OF ROTATION:
30°÷120° (<30° with lower resolution)
o ADJUSTABLE SPEED: range 0÷300
seconds, individually configurable for each
direction
o CHARACTERISTIC CURVE:
▪
linear
▪
equal percentage
▪
configurable
o CONTROL PARAMETER: individually
configurable for each direction
o TRAVEL CONTROL: Min. and Max settable
stroke limits; adjustable pressure on seat
•
Air supply
o INSTRUMENT AIR: free of oil, water and
dust to ISO 8573-1 – Class 3
o SUPPLY PRESSURE: 2.5÷10 bar
o AIR CONSUMPTION: 1.5 Nm
•
Performance Data (for angle > 90°)
according to IEC 61514-2
o HYSTERESIS+DEADBAND: ±0.15%
o REPEATIBILITY: ±0.15%
o SENSITIVITY: ±0.1%
o LINEARITY: ±0.3%
_____________________________________________________________________________________
STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY
Manual 4028 – rev.06 11/2018 – FT
INSTRUCTION MANUAL
FasTrak
TM
3
/h at 6 bar
*See selection guide for options / certifications available
®
o INFLUENCE OF AMBIENT
TEMPERATURE: ≤0.3% for every 10°C
o FLOW CAPABILITY: 180Nm
2.3)
o ACTION: configurable single or double
•
Environmental capabilities
o HAZARDOUS PROTECTION: ATEX II 1G
Ex ia IIC T6/T5/T4
o AMBIENT:
▪
protection IP66 (NEMA 4x)
▪
operation temperature: -40°C / +80°C
(-55°C / +80°C for TR CU)
▪
storage temperature: -40°C / +80°C
(storehouse must be clean and dry,
absence of corrosive gases or vapours)
o HUMIDITY: up to 100%
o VIBRATIONS: up to 2g (ISA-S75.13)
o CE MARK: CE conformity and EMC
•
Case materials and weights
o Aluminium, low copper content with
stainless steel feedback shaft – 3,25 kg
o Stainless steel 316 – 8,82 kg
•
Options available
o FAIL FREEZE (for more information see
page 20)
o REMOTE FEEDBACK SENSOR (for more
information see page 21)
o DISPLAY AND PUSH BUTTON (only with
aluminum case) (for more information see
page 22)
o UNIVERSAL LINKAGE FOR:
▪
Linear long stroke actuator
(70÷1500 mm)
▪
VDE/VDI 3845 for quarter turn
applications
▪
Lever for side yoke or top mounting
application
o SPECIFIC ACCESSORIES:
▪
gauges
▪
CF device
▪
BV and BW boosters
o COLLECTED OR HIGHLY SILENCED
EXHAUST
o HIGH SPEED COMUNICATION KIT
o HIGH CORROSION RESISTENCE WITH
316 STAINLESS STEEL CASE
www.imi-critical.com
3
/h at 6bar (CV
- 5 -