E3S-RS30E4-30 Equivalent & Substitute Parts

Part Overview

The E3S-RS30E4-30 is a retroreflective optical sensor manufactured by Omron Automation and Safety, designed for 300mm (11.811") sensing distance applications with NPN output configuration and selectable Dark-ON/Light-ON operation. This product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Substiute Parts

E3S-RS30E4-30

Omron Automation and SafetyIn Stock: 777E3S-RS30E4-30 Datasheet

Current PartRFQ

E3ZM-B61T 2M

Omron Automation and SafetyIn Stock: 768E3ZM-B61T 2M Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The E3ZM-B61T 2M qualifies as a substitute based on the following alignment of critical parameters:

• Sensing Method: Both employ retroreflective sensing technology
• Output Configuration: Both provide NPN output with Dark-ON/Light-ON selectable operation
• Response Time: Both deliver 1ms response time
• Ingress Protection: Both meet or exceed IEC IP67 rating
• Operating Temperature: Both operate across -25°C ~ 55°C range
• Connection Method: Both use cable connection
• Voltage Supply Compatibility: E3ZM-B61T 2M operates at 10V ~ 30V, which encompasses the E3S-RS30E4-30 supply range of 12V ~ 24V

The E3ZM-B61T 2M provides adjustable sensing distance (100mm ~ 500mm), which includes the fixed 300mm distance of the E3S-RS30E4-30, allowing configuration to match the original specification.

Parameter Comparison

Engineering Selection Recommendations

The E3ZM-B61T 2M serves as a direct functional substitute for the obsolete E3S-RS30E4-30. Selection of this substitute is supported by:

• Product Availability: The E3ZM-B61T 2M maintains active product status with current manufacturing and inventory availability (677 pcs in stock), whereas the E3S-RS30E4-30 is obsolete.
• Compliance Status: The E3ZM-B61T 2M is ROHS3 compliant, providing enhanced environmental compliance compared to the original part.
• Electrical Compatibility: The substitute's 10V ~ 30V supply range fully encompasses the original 12V ~ 24V requirement, ensuring direct integration into existing power architectures.
• Functional Equivalence: Identical output configuration, response time, and operating temperature range ensure drop-in compatibility for control logic and signal processing circuits.
• Enhanced Environmental Protection: The IP69K rating of the substitute exceeds the original IP67 specification, providing superior protection in demanding industrial environments.

The adjustable sensing distance of the E3ZM-B61T 2M must be configured to 300mm to match the original specification during installation.

Frequently Asked Questions (FAQ)

Q: Can the E3ZM-B61T 2M be used as a direct replacement without circuit modifications?

A: Yes. The E3ZM-B61T 2M provides identical NPN output configuration, response time, and operating temperature range. The substitute's 10V ~ 30V supply voltage range is compatible with the original 12V ~ 24V requirement. The sensing distance adjustment must be set to 300mm during commissioning.

Q: What is the primary difference between the E3S-RS30E4-30 and E3ZM-B61T 2M?

A: The E3S-RS30E4-30 features a fixed 300mm sensing distance with infrared (950nm) light source, while the E3ZM-B61T 2M provides adjustable sensing distance (100mm ~ 500mm) with red (650nm) light source. Both employ retroreflective sensing with identical electrical output characteristics and response performance.

Q: Why is the light source wavelength different between these sensors?

A: The E3S-RS30E4-30 uses infrared (950nm) while the E3ZM-B61T 2M uses red (650nm). Both wavelengths are suitable for retroreflective sensing applications. The choice of wavelength does not affect functional compatibility when retroreflectors are properly specified for the sensor's light source.

Q: Does the E3ZM-B61T 2M require different packaging or installation considerations?

A: The E3ZM-B61T 2M is supplied in box packaging. Both sensors use cable connection methods. Physical dimensions and mounting interfaces should be verified against application-specific requirements during integration planning.

Q: Is the E3ZM-B61T 2M suitable for the same environmental conditions as the original part?

A: Yes. Both sensors operate across -25°C ~ 55°C temperature range. The E3ZM-B61T 2M provides enhanced ingress protection (IP67 and IP69K) compared to the original IP67 rating, making it suitable for equivalent or more demanding environmental conditions.