QSL-4 FESTO Valve Terminal, QSL Series, Modular Valve Island, Pneumatic Valve Block, Industrial Automation Component

FESTO QSL-4 Valve Terminal

QSL-4 Modular Pneumatic System

FESTO QSL-4 M12 Connector

QSL-4(FESTO)

The FESTO QSL-4 Valve Terminal is a modular pneumatic system featuring a compact design with integrated M12 connectors for reliable electrical interfacing, optimized for industrial automation and process control applications.

Specification

SEODescription

The FESTO QSL-4 Valve Terminal is a modular pneumatic system designed for industrial automation, featuring 4 valve modules with 16 integrated solenoid valves for precise control. It supports direct connection of up to 8 modules, enabling scalable configurations for complex pneumatic networks. Equipped with FESTO QSL-4 M12 connectors, it ensures reliable fieldbus communication via protocols like PROFINET, EtherCAT, or CANopen. Operating at 24V DC with a temperature range of -10°C to 60°C, it excels in automotive, packaging, and assembly industries. Its compact design and modularity allow space-efficient installations, while the rugged M12 connectors enhance durability in harsh environments. However, higher initial costs and potential complexity in large setups may require careful planning. The system prioritizes easy maintenance and rapid diagnostics, making it ideal for high-demand applications.

SEOSpecification

Parameter	Specification
Product Model	QSL-4 (FESTO Valve Terminal)
Valve Function	4/2 or 5/2 directional control
Operating Pressure	2–8 bar
Pneumatic Connection	G1/8
Electrical Connection	M12 connector (8-pin)
Voltage Range	18–30 V DC
Current Consumption	≤ 50 mA per solenoid
Modular Expansion	Up to 16 modules in QSL system
IP Rating	IP65 (with M12 connector)
Communication Protocol	IO-Link (optional)
Valve Response Time
Ambient Temperature	–5°C to +60°C
Certification	ISO 15407-1 compliant

SEOQandA

question:Why are shipping costs high? Are there cheaper options available?
answer:Costs depend on weight, destination, and carrier rates. Contact us for tailored solutions or discounted bulk shipping.
question:Can you share shipment photos or purchase dates for similar products?
answer:We provide limited product-specific details upon request. Share your requirements, and we’ll assist accordingly.
question:Can I schedule self-pickup with the official courier?
answer:Self-pickup is possible if coordinated in advance. Provide pickup details, and we’ll confirm with the carrier.

SEOQandA_Product

question:What causes air leakage in QSL-4(FESTO)?
answer:Check seals and connections for wear or improper installation to resolve leaks.
question:Why does the sensor/actuator not respond?
answer:Verify wiring integrity, correct voltage supply, and ensure no loose connections.
question:How to fix a stuck valve in QSL-4?
answer:Clean valve components, remove debris, and apply lubrication if necessary.
question:Why is pressure regulation unstable?
answer:Adjust the pressure regulator or inspect for inconsistent supply pressure.
question:What if the solenoid coil fails to activate?
answer:Test coil voltage, replace if damaged, or check for electrical faults.