440R-G23110 Allen-Bradley

440R-G23110 Allen-Bradley I / O module

Product  Description：

The 440R-G23110 is part of the next-generation Guardmaster Safety Relay family, which utilizes a compact $22.5 \text{ mm}$ housing to save valuable space in control cabinets. This specific model features an electromechanical output configuration and is designed for applications requiring high-level safety integrity. It supports the connection of various safety devices and incorporates a logical "AND" function, allowing users to connect multiple relays together to create a sophisticated safety logic system without the need for a complex safety PLC.

Product Parameters

• Supply Voltage: $24 \text{ V DC}$, with a tolerance of $-15\%$ to $+10\%$.

• Power Consumption: Approximately $2 \text{ W}$.

• Safety Inputs: 2 dual-channel universal inputs (compatible with SensaGuard, light curtains, and mechanical switches).

• Safety Outputs: 3 NO (Normally Open) instantaneous safety outputs and 1 NC (Normally Closed) auxiliary signaling output.

• Safety Integrity Level: Capable of meeting SIL 3 (per IEC 61508) and Category 4 / Performance Level e (PL e) (per ISO 13849-1).

• Terminal Type: Removable screw terminals for easier maintenance and installation.

• Operating Temperature: $-5 \text{°C}$ to $55 \text{°C}$ ($23 \text{°F}$ to $131 \text{°F}$).

• Enclosure Rating: IP40 for the enclosure and IP20 for the terminals.

• Mounting: Standard $35 \text{ mm}$ DIN rail mounting.

Product Advantages

One of the most significant advantages of the 440R-G23110 is its Single-Wire Safety (SWS) capability. This allows the relay to communicate safety status to other Guardmaster relays via a single wire, greatly reducing wiring complexity and costs in multi-relay systems. The Compact Design allows for high-density mounting in electrical panels.

The module is also highly Versatile, as its inputs can be configured to monitor a wide range of devices, reducing the need to stock multiple types of safety relays. Furthermore, the Removable Terminals significantly speed up the replacement process in the event of a failure, as the wiring does not need to be disconnected individually.

Important Considerations and Precautions

When implementing the 440R-G23110, it is vital to perform a thorough Risk Assessment of the machinery to ensure that the safety relay and its associated sensors meet the required Performance Level (PL). Incorrect configuration of the rotary switch on the front of the unit can lead to the relay not operating as intended; always verify the settings before powering the system.

Ensure that the External Device Monitoring (EDM) is correctly wired if you are using external contactors to stop the machine; if the relay detects that a contactor has welded shut, it will prevent a restart. Additionally, never use the Auxiliary Output (the NC contact) for safety-related functions, as it is intended for status signaling (to a PLC or HMI) only. Finally, ensure that the $24 \text{ V DC}$ power supply is a PELV/SELV rated supply to maintain the safety integrity of the entire circuit.

Product Applications

The 440R-G23110 is used across various sectors where human-machine interaction poses a risk of injury.

• Manufacturing Cells: Monitoring the state of E-stop buttons and safety gates around robotic arms or CNC machines.

• Packaging Machinery: Ensuring that access doors are locked and light curtains are active while high-speed wrapping or bottling equipment is in motion.

• Conveyor Systems: Managing long-range safety pull-cord switches or E-stops across multiple segments of a production line.

• Material Handling: Protecting personnel from moving parts in automated storage and retrieval systems (ASRS).

• Food and Beverage: Providing reliable safety control in wash-down environments when placed inside appropriate protective enclosures.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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