AutomationDirect SG4-30-120-00-F safety light curtain

AutomationDirect SG4-30-120-00-F Safety Light Curtain Overview

The AutomationDirect SG4-30-120-00-F is a Datalogic-manufactured Type 4 safety light curtain, typically sold as a sender/receiver pair. It is designed to provide personnel protection in hazardous industrial areas by creating an invisible detection field that, when interrupted, stops dangerous machinery. This specific model offers a 30mm resolution, suitable for hand protection (despite the "F" suffix that usually indicates "finger protection" for 14mm resolution, the "30" in this model confirms hand protection). It has a protected height of 1200mm.

Product Detailed Description

• Core Function: The safety light curtain acts as a presence sensing device to safeguard personnel from hazardous machinery. When an object (e.g., a hand or arm) interrupts any of the multiple light beams within the protected area, the light curtain immediately sends a stop signal to the machine's safety circuit, preventing or stopping hazardous motion.

• Operation: It consists of a sender unit (emitter) that emits a series of infrared light beams and a receiver unit that detects these beams. When any beam is blocked, the safety output signal is deactivated.

• Safety Category Type 4: This indicates the highest level of safety integrity, as defined by international standards (e.g., IEC 61496-1/-2, ISO 13849-1). Type 4 devices are designed to detect a single fault within the device and maintain their safety function, or fail to a safe state. They typically feature redundant circuits and continuous self-monitoring.

• Resolution (30mm): The 30mm resolution means that any opaque object with a minimum diameter of 30mm (like a human hand) interrupting the light screen will be detected. This is generally classified as "hand protection."

• Protected Height (1200mm): This refers to the vertical height of the protective field created by the light curtain. A 1200mm height is suitable for protecting larger access openings or points of operation where a significant part of the body might enter.

• Outputs: Typically equipped with two redundant OSSD (Output Signal Switching Device) PNP outputs, which are designed to go to an OFF state (safe state) when an intrusion is detected or a fault occurs.

• Features:

• Sender/Receiver Pair: Comes as a set of two synchronized units.

• Easy Installation: Designed for simple mounting and alignment.

• Robust Housing: Durable construction suitable for industrial environments.

• Status Indicators: LEDs usually provide clear indications of operation, alignment, and fault conditions.

• Configurable: May offer basic configuration options like manual/automatic reset, EDM (External Device Monitoring) via wiring. Some extended series also offer advanced features like blanking or muting (which may not apply to the base "F" suffix model).

Product Parameters

(Note: Specific parameters may vary slightly. Always refer to the official Datalogic/AutomationDirect manual for the SG4 series and your specific model number for definitive specifications.)

• Model Number: SG4-30-120-00-F (Sender/Receiver Pair)

• Safety Category: Type 4, PL e (Performance Level e) according to ISO 13849-1, SIL 3 (Safety Integrity Level 3) according to IEC 61508.

• Resolution: 30mm (Hand Protection)

• Protected Height: 1200mm

• Operating Distance: Typically 0.2m to 20m (or up to 19m, depending on exact variant)

• Supply Voltage: 24 VDC ± 20%

• Current Consumption (Sender): Typically 2.5 W maximum

• Current Consumption (Receiver): Typically 3.5 W maximum

• Light Emission: Infrared LED (950nm)

• Output Type: 2 PNP OSSD outputs

• Output Current: 0.5 Amps maximum per output

• Output Voltage (ON status): Varies, typically close to supply voltage minus a small drop.

• Response Time: Fast, typically < 20 ms (response time increases with protected height).

• Electrical Connections: Typically (2) 18-pin proprietary connections, or sometimes M12 quick-disconnects (e.g., 4-pin for sender, 8-pin for receiver).

• Degree of Protection: IP65

• Operating Temperature: 0 to 55°C (32 to 131°F)

• Storage Temperature: -25 to 70°C (-13 to 158°F)

• Humidity: 15 - 95% (non-condensing)

• Housing Material: Aluminum profile, PMMA (Polymethylmethacrylate [acrylic]) protective shield.

• Agency Approvals: CE, UL, CSA, TÜV (common for Datalogic safety products).

Product Advantages

• High Level of Safety: As a Type 4 device, it offers the highest level of safety protection, crucial for applications involving high-risk machinery.

• Reliable Intrusion Detection: The multiple beams and 30mm resolution ensure reliable detection of hands or other significant body parts entering the hazardous area.

• Easy Commissioning: Visible alignment indicators and user-friendly setup procedures simplify installation and commissioning.

• Robust and Durable: Designed to withstand typical industrial environments, offering long service life and resistance to shock and vibration.

• Space-Saving: The compact profile of the SG4 series allows for integration even in space-constrained applications.

• Cost-Effective: AutomationDirect often provides competitive pricing for Datalogic products, offering a balance of quality and value.

• Reduced Nuisance Trips: Good ambient light rejection helps prevent false trips from external light sources.

Precautions

• Safety Distance Calculation: Always perform a proper safety distance calculation (S = K(t1 + t2) + C, where S is safety distance, K is body speed, t1 is light curtain response time, t2 is machine stop time, C is penetration depth) to ensure the light curtain is installed at a safe distance from the hazard.

• Correct Installation and Alignment: Mount both sender and receiver securely and ensure they are perfectly aligned to avoid false trips or undetected intrusions. Refer to the product manual for detailed alignment procedures.

• EDM (External Device Monitoring): If implemented, ensure that the external device monitoring function is correctly wired and configured to monitor the output of contactors or other final control elements.

• Reset Procedure: Understand and correctly implement the reset procedure (manual or automatic) as required by the application and safety standards.

• Bypassing/Muting: If muting or partial muting functions are required, ensure they are correctly configured and validated according to relevant safety standards to prevent unintended access during operation. (Note: These features might be present on "Extended" versions, not necessarily the basic "F" suffix model).

• Electrical Wiring: Follow the wiring diagrams in the manual meticulously. Ensure proper power supply voltage, polarity, and grounding. Use appropriate cables and connectors.

• Environmental Conditions: Operate the light curtain within its specified temperature and humidity ranges. Protect it from direct sunlight, extreme vibrations, and corrosive substances.

• Regular Testing: Periodically test the functionality of the light curtain (e.g., daily before shifts, or as required by risk assessment) to ensure it is operating correctly.

• Avoid Obstruction: Ensure no permanent obstructions are within the detection field during operation.

Product Applications

The AutomationDirect SG4-30-120-00-F safety light curtain is ideally suited for machine safeguarding applications where personnel access to a hazardous area needs to be controlled and monitored.

• Robotic Workcells: Protecting operators from moving robots.

• Presses and Stamping Machines: Safeguarding the point of operation during material feeding or removal.

• Assembly Lines: Protecting operators at manual loading/unloading stations.

• Packaging Machinery: Preventing access to moving parts during operation.

• Material Handling Equipment: Protecting personnel near conveyors, palletizers, and automated guided vehicles (AGVs).

• Cutting and Forming Machines: Ensuring safety at the point of operation.

• Any Machine with an Opening/Access Point: Where personnel might reach into a hazardous area, requiring immediate machine shutdown upon intrusion.

Shipping Port: China

Payment: Bank of Chicago, Bank of Singapore

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