Product Description
The Festo VTSA F ASI is a flow optimised, vertical stacking valve terminal with AS Interface bus communication, specifically designed for demanding industrial automation applications requiring higher flow rates than the standard VTSA series . Conforming to ISO 15407 2 and ISO 5599 2 standards, this Type 45 terminal allows five different valve sizes (18 mm, 26 mm, 42 mm, 52 mm, and 65 mm) to be combined on one manifold, supporting up to 32 valves and 32 pressure zones . The AS Interface bus enables simultaneous transmission of data and power through a simple 2 wire cable, significantly simplifying wiring in distributed automation systems .
Key Features & Advantages
Flow Optimised Design with Higher Flow Rates: The VTSA F series delivers increased standard nominal flow rates compared to standard VTSA – 700 l/min at 18 mm, 1350 l/min at 26 mm, 1860 l/min at 42 mm, 2900 l/min at 52 mm, and 4000 l/min at 65 mm, ensuring efficient pneumatic operation for demanding applications .
AS Interface Fieldbus Communication: Features AS Interface bus connection supporting simultaneous data and power transmission over a 2 wire cable, with ID code S 7.F.E and 4E4A (4 inputs/4 outputs) or 8E8A (8 inputs/8 outputs) configurations available. The AS interface bus voltage range is 26.5 V DC to 31.6 V DC .
Five Mixable Valve Sizes: Supports 18 mm, 26 mm, 42 mm, 52 mm, and 65 mm valve sizes on one valve terminal, allowing optimised flow capacity selection per valve position without adapter plates .
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 equivalent), suitable for washdown environments and demanding industrial conditions .
No Corrosion Stress Construction: Rated with Corrosion Resistance Class (CRC) 0 – No corrosion stress, ensuring exceptional durability for use in harsh industrial environments .
ATEX Zone 2 Certification: Certified for potentially explosive gas atmospheres with II 3G Ex nA IIC T3 X Gc rating. Explosive ambient temperature range: -5°C ≤ Ta ≤ +50°C. Suitable for chemical, petrochemical, and pharmaceutical facilities .
Non Lubricated Operation Required: Operating medium note indicates that lubricated operation is not permissible for this device; only non lubricated compressed air according to ISO 8573-1:2010 [7:4:4] is allowed .
Extensive Valve Function Range: Available in over 12 valve functions including 2x2/2 normally closed monostable, 2x3/2 normally closed/open/open closed monostable, 5/2 monostable, 5/2 bistable, 5/2 bistable with dominant signal, 5/2 monostable with safety function, 5/3 pressurised, 5/3 exhausted, 5/3 closed, and 5/3 channel 2 pressurised / channel 4 exhausted variants .
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 .
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 .
Maximum Switching Frequency: Supports up to 10 Hz switching frequency with max. 50% duty cycle at frequencies above 2 Hz. Self heating dissipation must be enabled and solenoid coil surfaces must not be covered .
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). The maximum permissible total current for 8 inputs is 500 mA without additional power supply (4E/4A only) or 350 mA with additional power supply (8E/8A) .
Internal or External Pilot Air Supply: Supports both internal and external pilot air supply configurations (3 bar to 10 bar pilot pressure), allowing flexible system design based on application requirements .
Vacuum Capable: Suitable for vacuum applications down to -0.9 bar, expanding usability for negative pressure handling .
Modular Design with Mixed Valve Sizes: Valve island Type 45 with modular construction allows mixing of different valve sizes on a single manifold for optimised space and flow management .
Piston Gate Valve Design: Features robust piston gate valve (piston spool) 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 .
Protection Class III (PELV): Provides protection against direct and indirect contact with Protective Extra Low Voltage (PELV) according to EN 61140, ensuring operator safety .
Pollution Degree: Rated minimum pollution degree 2 according to IEC 60664-1, suitable for industrial environments .
c UL us, RCM & KC Certified: Carries c UL us - Recognized (OL), RCM compliance mark, and KC EMC certifications, ensuring safety and reliability for North American, Australian, and Korean industrial applications .
CE Marked for EMC & ATEX: Meets EU EMC Directive and EU Explosion Protection Directive (ATEX) requirements .
RoHS Compliant: Manufactured without restricted hazardous substances, meeting stringent environmental compliance standards .
Technical Specifications
Brand: Festo
Model: VTSA F ASI
Product Nos.: 555566 (standard), 8173639 (additional variant)
Product Type: Valve Terminal / Flow Optimised Valve Manifold with AS Interface Connection
Terminal Type: 45
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 (VTSA F): 700 l/min (18 mm), 1350 l/min (26 mm), 1860 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 not permissible – non lubricated operation only
Corrosion Resistance Class (CRC): 0 – No corrosion stress
Degree of Protection: IP65 / NEMA Type 4
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 Gas: II 3G
Ignition Protection Type Gas: Ex nA IIC T3 X Gc
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
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%)
Nominal Operating Voltage DC: 24 V
Permissible Voltage Fluctuation: ±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
Degree of Protection (Electronics): IP20 according to EN 60529
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 pressurised, 5/3 exhausted, 5/3 closed, 5/3 channel 2 pressurised / channel 4 exhausted
Valve Design: Piston gate valve (Piston spool)
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
Electrical I/O System: Yes
Signal Status Display: LED (AS i green, Fault red, AUX/PWR green, Inputs yellow)
Valve Manifold Design: Modular – pneumatic valve sizes can be mixed (18 mm, 26 mm, 42 mm, 52 mm, 65 mm)
Pneumatic Working Port Options: G1/8, G1/4, G3/8, G1/2, QS 6, QS 8, QS 10, QS 12, QS 16
Type of Mounting: H rail (EN 60715) or 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
Tightening Torque – SUB D Connector: 0.5 Nm
Housing Material: Aluminium alloys with <7.5% Mg
Seals Material: Not specified (refer to Festo datasheet)
Material Note: RoHS compliant
Country of Origin: Germany
ATEX Special Conditions for Use (Marking X)
Install the device in a housing with at least IP54 protection according to EN 60079-0 .
Do not disconnect or open when powered .
Prevent disconnection of plug connectors or housing parts by using a housing with a special lock (e.g., control cabinet) .
Use additional strain relief for cables in front of all plugs .
Prevent electrostatic charging of the housing with appropriate installation measures .
Energise only one coil of a 5/2 way valve or 5/3 way valve at a time .
Ambient temperature: -5°C ≤ Ta ≤ +50°C .
Protect the device from UV radiation and any shock loading .
Device may only be used in an environment with minimum pollution degree 2 (IEC 60664-1) .
The discharge of electrostatically charged parts can lead to ignitable sparks – prevent electrostatic charging by taking appropriate installation and cleaning measures .
LED Diagnostic Codes
AS i (green) on / Fault (red) off – AS Interface voltage applied, no fault
AS i (green) on / Fault (red) flashes – Short circuit/overload at input
AS i (green) on / Fault (red) on – Bus communication failed (Watchdog expired)
AS i (green) flashes / Fault (red) flashes – Additional power supply not applied or undervoltage
AS i (green) flashes / Fault (red) on – AS Interface address not set (= 0)
AS i (green) off / Fault (red) off – AS Interface voltage not applied
AUX/PWR (green) on – Additional supply exists
AUX/PWR (green) off – No additional supply or additional supply failed
Inputs (yellow) on – 1 signal at input
Inputs (yellow) off – 0 signal at input
Compatible Accessories (from Festo documentation)
Electrical Interface Modules for AS I, for VTSA/VTSA F:
VABE S6 1LF CA4 E (549042) – 4 inputs / 4 outputs
VABE S6 1LF CA8 E (549043) – 8 inputs / 8 outputs
AS I Interface Modules for VTSA/VTSA F:
VAEM S6 S FAS 4 4E (549044) – 4 inputs / 4 outputs
VAEM S6 S FAS 8 8E (549045) – 8 inputs / 8 outputs
Pneumatic Interfaces for VTSA/VTSA F (for CPX electrical terminal):
VABA S6 1 X1 (543416) – For CPX plastic type
VABA S6 1 X2 (550663) – For CPX metal type
VABA S6 1 X2 D (573613) – For CPX metal type with changed diagnostic function
VABA S6 1 AP (8152356) – For CPX AP electrical terminal
Multi pin Nodes for VTSA/VTSA F:
VABE S6 1LF C M1 C36M (543412) – Terminal strip, 36 pin
VABE S6 1LT C M1 S37 (543414) – SUB D plug, 37 pin
VABE S6 1LF C M1 R19 (543415) – Round plug, 19 pin
Individual Electrical Interfaces for VTSA/VTSA F:
VABE S6 LT C S6 R5 (549046) – Multi pin node with individual interface M12, 6 way
VABE S6 LT C S10 R5 (549047) – Multi pin node with individual interface M12, 10 way
VAEM S6 C S6 R5 (549048) – Cover for individual interface M12, 6 way
VAEM S6 C S10 R5 (549049) – Cover for individual interface M12, 10 way
Ideal For
Large scale industrial automation systems requiring AS Interface bus communication with higher flow rates (VTSA F flow optimised series), 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, paint shop environments requiring LABS conformity, potentially explosive atmospheres ATEX Zone 2 (gas), automotive manufacturing, machine tools, packaging machinery requiring high flow rates, 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 F ASI Valve Terminal?
Choose the Festo VTSA F ASI for its flow optimised design delivering higher flow rates (700 4000 l/min) than standard VTSA, AS Interface bus communication for simplified 2 wire wiring (26.5 31.6 V DC), supporting up to 32 valve positions and 32 pressure zones, featuring five mixable valve sizes (18 65 mm) on a Type 45 terminal, CRC 0 corrosion resistance, IP65/NEMA 4 protection, ATEX Zone 2 certification (II 3G Ex nA IIC T3 X Gc), non lubricated operation requirement, low power consumption (1.6 W / 1.3 W), LED status diagnostics, extensive valve function options (12+ configurations), internal or external pilot air supply (3 10 bar), vacuum compatibility down to -0.9 bar, integrated I/O system (4 or 8 inputs), max. 10 Hz switching frequency, c UL us, RCM, KC, and CE certifications, RoHS compliance, and German engineering quality. Backed by Festo's comprehensive accessory ecosystem including AS I interface modules (VAEM S6 series), CPX pneumatic interfaces (VABA S6 series), multi pin nodes, and individual electrical interfaces, along with ATEX compliant operating conditions with special provisions for electrostatic discharge prevention, strain relief, and pollution degree requirements, this flow optimised valve terminal ensures reliable, flexible, and safe pneumatic control for demanding industrial automation applications with AS Interface fieldbus connectivity and increased flow performance.
Tags
#Festo #VTSAFASI #555566 #8173639 #ValveTerminal #ValveManifold #ASInterface #FlowOptimised #Fieldbus #ISO154072 #ISO55992 #IP65 #CRC0 #ATEX #ExZone2 #cULus #RCM #KC #PneumaticControl #NonLubricated #ModularValveTerminal #MalaysiaSupplier
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