Spirax Sarco SP500 Electropneumatic Smart Positioner

Description

The Spirax Sarco SP500 Intelligent Valve Positioner is a loop-powered device capable of driving both linear and 90° rotary pneumatic valves. a 4-20mA input signal determines the valve's set-point, and precise control is achieved through valve position feedback, which automatically varies the air output pressure to overcome stem friction and the force of the fluid, and to maintain the desired valve position. The valve position is digitally displayed by a continuous travel %, the valve position feedback is obtained by non-contact technology based on the Hall effect, the pneumatic is based on piezoelectric valve technology, therefore, high resolution, high reliability, vibration resistance and very low air consumption in steady state can be guaranteed.

programmable function

The SP500 includes a number of intelligent features that can be used to drive software programming with keystrokes and an LCD display of alphanumeric data setup menus. Valve commissioning is very simple, just through the automatic commissioning program, LCD display program status, software travel switch status, mA input signal and valve diagnostic data. Furthermore, there is no mechanical connection between the valve and the positioner, greatly simplifying the installation procedure and reducing the time required.The SP500 is supplied with NAMUR standard mounting kits for yoke or column mounted actuators. For 90° rotary valves, a VDI/VDE 3845 compliant mounting kit is available.The SP500 intelligent positioner supports extended options including HART® communication protocols, enabling complete system configuration via a PC or handheld device.

Technical Parameters

parameters	particulars
input signal	4 - 20mA
Minimum Input Signal	3.4mA
Supply air pressure	1.4-7.0 bar 5-10 psi above spring pressure range
communication protocols	HART® communication protocols superimposed on DC current signals
air quality	Dry, free of oil and impurities, conforming to ISO 8573-1 class 2:3:1
output pressure	0-100% Air Supply Pressure
Stroke range (linear/rotary valves)	10 mm-100 mm/5° - 120°
movements	Single acting/fault exhaust
operating temperature	-10°C - +80°C
Maximum air flow	4.2 std m³/h @ 1.4 bar g; 8.5 std m³/h @ 6.0 bar g
Steady state air consumption	Less than 0.016 std m³/h
air connection	¼" NPT thread
Cable gland	M20
electrical connection	Spring clip terminals for 0.2 -1.5 mm² wires
Packaging grade	IP65
characterization	Linear, Equal Percentage (1:50) and Fast Start (50:1)
Maximum resolution (max)	0.1% F.S. (full scale)
4 - 20 mA retransmission (optional)	Valve position 4 - 20 mA retransmission
Software travel switch (optional)	Two software-set, 1 x normally closed, 1 x normally open
Shipping weight	2.2 kg

program function

functionality	particulars
automatic commissioning	Automated test programs
Valve form	2-way or 3-way
% Stroke	Optional 0 - 100% or 100% - 0% depending on valve and actuator combination
control	Positive and negative acting (4-20 or 20-4 mA)
Itinerary Restrictions	Setting minimum or maximum travel limits
signal range	4-20 mA or divided range (minimum range 4 mA)
deadband	Positioning accuracy (minimum 0.21 TP3T to maximum 101 TP3T of valve travel)
Close tight	Completely deflated or deflated by preset input signal
characterization	Linear, Equal Percentage and Fast Open, Input Signal vs. Valve Stroke
travel time	Slow down the valve opening and closing speed
travel switch	Software Travel Switches (0 - 100%)
reset	Reset all program values
calibrations	determine the center
input signal	Input mA value display
Automatic operation/exhaust	Auto run and exhaust options when resetting the program
Data logging	Diagnostic log of valve travel and total operating hours

appliance

SP500 can be applied to the following actuators: PN1000 and PN2000 series, PNS3000 and PNS4000 series, PN9000 series.

additional option

options (as in computer software settings)	particulars
Pressure gauge block	Complete connecting block with 2 pressure gauges (supply pressure and pressure to the actuator)
Re-Output and Switch Boards	4-20mA valve position re-output and 2 adjustable software switches
power supply board	2 wires for 4-20mA signal input, 2 additional wires for separate 24V power input to reduce positioner impedance to 50Ω, 4-wire setup possible
HART® Board	Communication using the HART® protocol
Material (components)	Housing and cover: die-cast aluminum, corrosion-resistant coating RAL5010; magnet holder: die-cast aluminum

Security information, installation and maintenance

The positioner selection guide is more in the Installation and Maintenance Guide (IM-P343-35) that accompanies the product.

Positioner Series	particulars
Positioner Series	SP500=SP500; SP501=SP500 with HART® Communication Protocol
Action 1	0 = linear, rotary, single acting; single acting
Re-output + software switch (optional)	0 = not installed; R = installed
housings	0 = Standard
accreditation	0 = Standard
24V power supply (optional)	0 = not installed; P = installed
Remote sensors	0 = none
Extended Trip	0 = none
Pressure gauge block	G2 = full range 2 bar; G4 = full range 4 bar; G7 = full range 7 bar
Selection Examples	SP500 0R0 000 0G4

How to Order

Please include all additional options required as described on the first page. Example: a Spirax Sarco SP500 0R0 000 0G4 Electrical Smart Linear Positioner with Re-Output and Software Switchboard and 4barg gauge block. Note: The SP500 Smart Positioner must use high quality air. A Spirax Sarco MPC2 filter reducer or equivalent must be used, including the mounting bracket. For more product data on the MPC2 and how to order, please refer to TI-P054-04.