E3F2-R2RB4-M-E Equivalent & Substitute Parts

Part Overview

The E3F2-R2RB4-M-E is a retroreflective, polarized optical sensor manufactured by Omron Automation and Safety. This sensor operates within a sensing distance range of 3.937" to 78.740" (100mm to 2m) with adjustable settings and supports both Dark-ON and Light-ON selectable output modes. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Substiute Parts

E3F2-R2RB4-M-E

Omron Automation and SafetyIn Stock: 929E3F2-R2RB4-M-E Datasheet

Current PartRFQ

E3FB-RP11 2M

Omron Automation and SafetyIn Stock: 1041E3FB-RP11 2M Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the E3F2-R2RB4-M-E is based on the following critical parameters that define functional equivalence:

• Sensing Method: Retroreflective technology (polarized vs. non-polarized variants acceptable)
• Output Configuration: PNP with Dark-ON/Light-ON selectable modes
• Voltage Supply Range: 10V ~ 30V compatibility
• Light Source: Red wavelength (660nm or Red LED)
• Operating Temperature Range: -25°C ~ 55°C minimum
• Sensing Distance: Minimum 100mm to 2m range capability

The E3FB-RP11 2M qualifies as a substitute based on these parameters. While it offers an extended sensing distance range (up to 4m) and improved response time (500µs vs. 2.5ms), it maintains core functional compatibility through retroreflective sensing, PNP output with selectable modes, identical voltage supply range, and matching operating temperature specifications.

Parameter Comparison

Engineering Selection Recommendations

The E3FB-RP11 2M is an active product with current manufacturing status, whereas the E3F2-R2RB4-M-E is obsolete. For applications requiring the E3F2-R2RB4-M-E, the E3FB-RP11 2M provides functional substitution with the following considerations:

• Both sensors maintain identical voltage supply ranges (10V ~ 30V) and operating temperature specifications (-25°C ~ 55°C), ensuring direct compatibility in power and thermal environments.
• The E3FB-RP11 2M offers superior ingress protection (IEC IP67, IP69K) compared to NEMA 6, providing enhanced environmental sealing for demanding applications.
• The E3FB-RP11 2M demonstrates faster response time (500µs vs. 2.5ms), beneficial for high-speed detection applications.
• Connection method differs: E3F2-R2RB4-M-E uses a connector interface, while E3FB-RP11 2M uses a 2-meter cable. Integration requirements must account for this interface change.
• The E3FB-RP11 2M is ROHS3 compliant and REACH affected, meeting current regulatory standards.

Frequently Asked Questions (FAQ)

Q: Can the E3FB-RP11 2M directly replace the E3F2-R2RB4-M-E in existing installations?

A: Functional substitution is possible provided that the connection method change (connector to cable) is accommodated in the system design. Both sensors share identical voltage supply and operating temperature ranges, and both support PNP output with Dark-ON/Light-ON selectable modes.

Q: What is the significance of the polarized sensing method in the E3F2-R2RB4-M-E?

A: Polarization in retroreflective sensors reduces false triggering from specular reflections off shiny surfaces. The E3FB-RP11 2M uses non-polarized retroreflective sensing, which may exhibit different performance characteristics in environments with highly reflective surfaces.

Q: Does the extended sensing distance of the E3FB-RP11 2M (4m vs. 2m) affect substitution suitability?

A: Extended sensing distance does not compromise substitution for applications operating within the original 2-meter range. The E3FB-RP11 2M maintains the minimum 100mm to 2m capability required by the E3F2-R2RB4-M-E.

Q: What are the implications of the faster response time in the E3FB-RP11 2M?

A: The E3FB-RP11 2M response time of 500µs is faster than the E3F2-R2RB4-M-E at 2.5ms. This improvement is compatible with all applications designed for the original sensor and provides enhanced performance for time-critical detection scenarios.

Q: How does the cable length of the E3FB-RP11 2M affect integration?

A: The E3FB-RP11 2M includes a fixed 2-meter (78.74") cable. Applications requiring different cable lengths or connector-based interfaces must address this difference during system redesign.

Q: Are there compliance differences between these sensors?

A: The E3FB-RP11 2M is ROHS3 compliant and REACH affected, meeting current environmental and regulatory standards. The E3F2-R2RB4-M-E, being obsolete, may not meet current compliance requirements for new designs.