Product Description
The Festo VTSA-ASI-NPT is a vertical stacking valve terminal with AS-Interface bus communication, specifically configured with NPT threaded pneumatic connections for North American and international markets . Conforming to ISO 15407-2 and ISO 5599-2 standards, this valve terminal allows five different valve sizes (18 mm, 26 mm, 42 mm, 52 mm, and 65 mm) to be combined on one terminal, supporting up to 32 valves and 32 pressure zones . The AS-Interface enables simultaneous transmission of data and power through a simple 2-wire cable, significantly simplifying wiring in distributed automation systems .
Key Features & Advantages:
NPT Pneumatic Connections: Configured with 1/8 NPTF, 1/4 NPT, 3/8 NPT, 1/2 NPT, and 1 1/2 NPT working port options, ensuring compatibility with North American standard threaded fittings for seamless integration into existing systems
AS-Interface Fieldbus Communication: Features AS-Interface bus connection supporting simultaneous data and power transmission over a 2-wire cable. ID code S-7.F.E with 4E4A (4 inputs/4 outputs) or 8E8A (8 inputs/8 outputs) configurations available
Five Mixable Valve Sizes: Supports 18 mm, 26 mm, 42 mm, 52 mm, and 65 mm valve sizes on one valve terminal, allowing optimized flow capacity per valve position from 550 l/min up to 4,000 l/min
High Valve Position Capacity: Accommodates up to 32 valves and up to 32 independent pressure zones, providing exceptional scalability for large-scale pneumatic control systems
IP65 Protection Class: Provides dust-tight protection and protection against water jets (NEMA Type 4), suitable for washdown environments and demanding industrial conditions
No Corrosion Stress Construction: Rated with Corrosion Resistance Class (CRC) 0, ensuring exceptional durability in harsh industrial environments
ATEX Zone 2 Certification: Certified for potentially explosive gas atmospheres with II 3G Ex ec IIC T3 Gc X rating. Explosive ambient temperature range: -5°C to +50°C
Extensive Valve Function Range: Available in over 12 valve functions including 5/2 monostable/bistable, 5/2 bistable with dominant signal, 5/3 pressurized/exhausted/closed, 2x3/2, 2x2/2, 5/2 monostable with safety function, and 5/3 with port 2 pressurized / port 4 exhausted variants
Low Power Consumption: 5/2 and 5/3 valves consume 1.6 W (72 mA), while 3/2 valves consume 1.3 W (60 mA) at 24 V DC ±10%, ensuring energy-efficient operation
LED Status Indication: Features status LEDs for AS-Interface voltage (green), fault indication (red), AUX/PWR auxiliary supply (green), and input signals (yellow) for easy system troubleshooting
Vacuum Capable: Suitable for vacuum applications down to -0.9 bar, expanding usability for negative pressure handling
Internal or External Pilot Air Supply: Supports both internal and external pilot air supply configurations (3 bar to 10 bar), allowing flexible system design
Modular Design with Mixed Valve Sizes: Valve island type 44 with modular construction allows mixing different valve sizes on a single manifold for optimized space and flow management
Integrated I/O System: Features integrated inputs for sensor connection via exchangeable CPX sub-bases. Available with M12, HARAX, or terminal strip connections (4-pin or 5-pin)
Integrated Watchdog Function: Built-in watchdog resets outputs (solenoid coils) automatically when bus communication fails, ensuring defined safe state
Wide Operating Temperature Range: Operates reliably from -5°C to 50°C, with storage temperature from -20°C to 60°C and relative humidity up to 90% at 40°C
c UL us & RCM Certified: Carries c UL us - Recognized (OL) and RCM compliance mark certifications, ensuring safety for North American and international industrial applications
CE and RoHS Compliant: Meets EU EMC Directive, EU Explosion Protection Directive (ATEX), and RoHS requirements
Piston Gate Valve Design: Features robust piston gate valve construction with soft sealing principle, providing reliable long-term performance and extended service life
Exhaust Air Function: Equipped with exhaust air function via throttle plate for controlled air discharge
Technical Specifications:
Brand: Festo
Model: VTSA-ASI-NPT
Product No.: 555565
Product Type: Valve Terminal / Valve Manifold with AS-Interface Connection
Terminal Type: 44
Valve Sizes Supported: 18 mm, 26 mm, 42 mm, 52 mm, 65 mm
Max. Number of Valve Positions: 32
Max. Number of Pressure Zones: 32
Standard Nominal Flow Rate: 550 l/min (18 mm), 1100 l/min (26 mm), 1300 l/min (42 mm), 2900 l/min (52 mm), 4000 l/min (65 mm)
Operating Pressure: -0.9 bar to 10 bar
Vacuum Suitability: Yes
Operating Medium: Compressed air to ISO 8573-1:2010 [7:4:4]
Media Note: Lubricated operation possible (in which case lubricated operation will always be required thereafter)
Corrosion Resistance Class (CRC): 0 – No corrosion stress
Degree of Protection: IP65 / NEMA Type 4 (when fully plugged or fitted with protective cover)
Ambient Temperature: -5°C to 50°C
Storage Temperature: -20°C to 60°C
Relative Air Humidity: 0% to 90% at 40°C
ATEX Certification: II 3G Ex ec IIC T3 Gc X (Zone 2 gas)
Explosive Ambient Temperature Range: -5°C ≤ Ta ≤ +50°C
CE Marking: EU EMC Directive, EU Explosion Protection Directive (ATEX)
c UL us Certification: Recognized (OL)
RCM Mark: Yes
KC Certification: KC EMC
AS-Interface Specifications: ID = FH, ID1 = FH, ID2 = EH; IO = 7H; Profile = S-7.F.E
AS-Interface Bus Voltage Range: 26.5 V DC to 31.6 V DC (protected against incorrect polarity)
AS-Interface Current Consumption (Electronics): <25 mA
AS-Interface Max. Sum Current for Inputs: 350 mA (with additional power supply) / 500 mA (without additional power supply, only 4E/4A)
Additional Supply (Load Voltage): 21.6 V DC to 26.4 V DC (24 V DC ±10%)
Power Consumption per Coil: 5/2 and 5/3 valves – 1.6 W (72 mA); 3/2 valves – 1.3 W (60 mA)
Max. Switching Frequency: 10 Hz
Max. Duty Cycle at >2 Hz: 50%
Protection Class: III (PELV) according to EN 61140
Pollution Degree: Min. 2 according to IEC 60664-1
Valve Functions Available: 2x2/2 normally closed monostable, 2x3/2 normally closed monostable, 2x3/2 normally open monostable, 2x3/2 open/closed monostable, 5/2 bistable, 5/2 bistable with dominant signal, 5/2 monostable, 5/2 monostable with safety function, 5/3 pressurized, 5/3 exhausted, 5/3 closed, 5/3 port 2 pressurized / port 4 exhausted
Valve Design: Piston gate valve
Sealing Principle: Soft
Pilot Air Supply: Internal or External
Pilot Pressure: 3 bar to 10 bar
Exhaust Air Function: Via throttle plate
Electrical Actuation: AS-Interface fieldbus
Signal Status Display: LED (AS-i green, Fault red, AUX/PWR green, Inputs yellow)
Valve Manifold Design: Modular – pneumatic valve sizes can be mixed
Pneumatic Working Ports: 1/8 NPTF, 1/4 NPT, 3/8 NPT, 1/2 NPT, 1 1/2 NPT, QS-6, QS-8, QS-10, QS-12, QS-16
Type of Mounting: H-rail (EN 60715), Wall mounting
Tightening Torque – Earthing Screw: 1.0 Nm ±10%
Tightening Torque – M12 Connector: 0.5 Nm
Tightening Torque – M8 Connector: 0.25 Nm to 0.5 Nm
Material Note: RoHS-compliant
Country of Origin: Germany
ATEX Special Conditions for Use (Marking X):
Install device in enclosure with minimum IP54 protection according to EN 60079-0
Do not disconnect or open when powered
Prevent separation of plug connectors or housing parts by using enclosure with special lock
Use cable strain relief for cables in front of all plugs
Prevent electrostatic charging of housing through suitable installation measures
Energize only one coil of a 5/2-way or 5/3-way valve at a time
Ambient temperature: -5°C ≤ Ta ≤ +50°C
Protect device from UV radiation
Protect device from any shock loading
Device may only be used in area with at least pollution degree 2 (IEC 60664-1)
Ideal For:
Large-scale industrial automation systems requiring AS-Interface bus communication with NPT threaded connections, applications needing up to 32 valve positions with up to 32 pressure zones, systems requiring five mixable valve sizes (18-65 mm) on a single manifold, North American industrial facilities requiring NPT fittings and c UL us certification, paint shop environments requiring LABS conformity, potentially explosive atmospheres ATEX Zone 2 (gas), automotive manufacturing, machine tools, packaging machinery, material handling systems, chemical and pharmaceutical processing (Zone 2 hazardous areas), vacuum applications down to -0.9 bar, systems requiring IP65 washdown protection, applications with integrated sensor inputs (4 or 8 channels), and systems where simplified 2-wire bus wiring is preferred over traditional multi-pin connections.
Why Choose Festo VTSA-ASI-NPT Valve Terminal?
Engineered by Festo to ISO 15407-2/ISO 5599-2 standards with NPT pneumatic connections for North American compatibility, AS-Interface bus communication for simplified 2-wire wiring, supporting up to 32 valve positions and 32 pressure zones, featuring five mixable valve sizes (18-65 mm) with flow rates from 550 to 4,000 l/min, CRC 0 corrosion resistance, IP65/NEMA 4 protection, ATEX Zone 2 certification (II 3G Ex ec IIC T3 Gc X), low power consumption (1.6 W/1.3 W), LED status diagnostics with watchdog function, extensive valve function options (12+ configurations), internal or external pilot air supply (3-10 bar), vacuum compatibility down to -0.9 bar, c UL us, RCM, KC, and CE certifications, RoHS compliance, and German engineering quality, this valve terminal ensures reliable, flexible, and safe pneumatic control for demanding industrial automation applications with AS-Interface fieldbus connectivity and NPT fittings.
Tags:
#Festo #VTSAASINPT #555565 #ValveTerminal #ValveManifold #ASInterface #NPT #Fieldbus #ISO154072 #ISO55992 #IP65 #CRC0 #ATEX #cULus #IntegratedIO #MalaysiaSupplier
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