RELIANCE H2310240032XX06 Inductive Proximity Sensor – H-Series

RELIANCE H2310240032XX06 — Solid-State Inductive Proximity Switch for PLC Digital Input Architectures

The RELIANCE H2310240032XX06 is a solid-state inductive proximity switch engineered for continuous-duty operation within PLC-driven discrete control loops. Positioned within RELIANCE’s H-Series sensing platform, this device performs non-contact metallic target detection by exploiting the eddy-current damping principle: a high-frequency oscillator (typically 100–500 kHz) generates an electromagnetic field at the sensing face; when a ferrous or non-ferrous conductive target enters the defined sensing zone, induced eddy currents extract energy from the oscillator circuit, causing amplitude collapse that the internal threshold comparator converts into a clean binary switching event. The output transistor then drives the connected PLC digital input channel with a deterministic state transition — no contact bounce, no mechanical wear, no arc erosion.

In a control loop context, the H2310240032XX06 occupies the field-device layer of the ISA-95 automation hierarchy. Its output feeds directly into a PLC DI module (24 VDC NAMUR-compatible or standard sinking/sourcing), where the ladder logic or function block program uses the state change to trigger interlocks, position confirmations, part-present verifications, or end-of-travel limit functions. The sensor’s sub-millisecond switching response ensures that high-speed conveyor indexing and servo-axis homing sequences receive position feedback within the deterministic scan cycle of the host controller — a critical requirement when cycle times fall below 50 ms.

Real-time Stock & RFQ: [email protected] | WhatsApp: +86 18359268345

Technical Parameters

Hardware Logical Analysis

The internal architecture of the H2310240032XX06 is structured around three discrete functional blocks: the oscillator/sensing front-end, the signal conditioning stage, and the output driver stage.

Oscillator & Sensing Front-End: The ferrite-core coil embedded in the sensing face forms the inductive element of a Colpitts or Hartley LC oscillator operating in the 100–500 kHz band. The oscillator amplitude is continuously monitored by an analog comparator. The sensing distance (Sn) is defined by the coil geometry and the oscillator’s energy budget — RELIANCE’s H-Series coil winding tolerances are held to ±3% to ensure batch-to-batch Sn consistency, which is critical for applications where the air gap is fixed by mechanical design rather than field adjustment.

EMC Design: The H2310240032XX06 incorporates a shielded (flush-mount) sensing face design. The ferrite shield concentrates the electromagnetic field axially, suppressing lateral field leakage that would otherwise cause mutual interference between adjacent sensors mounted at close pitch — a common requirement in multi-sensor fixture plates where inter-sensor spacing may be as tight as 15–20 mm. The supply line is filtered with a π-network LC filter to reject conducted interference from variable-frequency drives (VFDs) and switched-mode power supplies operating on the same 24 VDC bus.

Signal Conditioning & Hysteresis: The comparator output feeds a Schmitt trigger with a defined hysteresis band (typically 10–20% of Sn). This hysteresis prevents output chatter when a target dwells at the switching boundary — a failure mode that would otherwise generate spurious PLC interrupt events and corrupt position-tracking counters in high-speed indexing applications.

Output Driver Stage: The output transistor is a protected MOSFET with integrated thermal shutdown, short-circuit current limiting, and reverse-polarity clamping. The driver is rated for inductive loads up to 200 mA, accommodating direct connection to PLC DI modules with internal pull-up resistors without requiring an intermediate relay or signal conditioner. The LED status indicator is driven from the output node, providing a direct visual correlation between the electrical output state and the indicator — eliminating the ambiguity of indicator circuits wired in parallel with the load.

System Integration Benefits

• Deterministic PLC Scan Compatibility: Sub-millisecond output switching response ensures the sensor state change is captured within a single PLC scan cycle (typically 1–10 ms for S7-1500 or ControlLogix), preventing missed events in high-throughput discrete manufacturing lines.
• Zero Mechanical Wear: Solid-state output eliminates contact erosion and spring fatigue — the primary failure modes of electromechanical limit switches. Mean time between failures (MTBF) for solid-state proximity sensors in comparable duty cycles exceeds 10⁷ switching operations.
• IP67 Environmental Sealing: The M12 connector and barrel housing assembly maintains ingress protection under coolant mist, wash-down cycles, and fine metallic swarf — conditions that degrade reed switches and optical sensors within months in machining environments.
• Flush-Mount EMI Shielding: Shielded coil design permits installation in steel mounting brackets without derating the sensing distance, and suppresses cross-talk in dense sensor arrays — directly reducing false-positive DI events that would otherwise require software filtering and add latency to the control loop.
• Wide Supply Voltage Tolerance (10–30 VDC): Accommodates voltage sag on long cable runs and transient dips from simultaneous actuator energization on shared 24 VDC rails — a common source of nuisance sensor resets in large panel installations.
• M12 Quick-Disconnect Interface: Field replacement requires no rewiring — the M12 connector decouples in under 10 seconds, reducing mean time to repair (MTTR) and eliminating the risk of wiring errors during maintenance under time pressure.
• Direct Diagnostic Transparency: The output-referenced LED indicator provides immediate visual confirmation of sensor state during commissioning and fault-finding, without requiring a multimeter or PLC online monitoring session — reducing diagnostic time per sensor from minutes to seconds.
• Cross-Platform PLC Compatibility: The 3-wire 24 VDC NPN/PNP output is natively compatible with DI modules from Siemens (S7-300/400/1200/1500), Allen-Bradley (ControlLogix, CompactLogix), Mitsubishi (MELSEC Q/iQ-R), and Schneider (Modicon M340/M580) — no signal converter required when migrating between control platforms.
• Standardized Footprint for Spare Parts Management: The H-Series barrel form factor and M12 pinout conform to IEC 60947-5-2 dimensional standards, allowing procurement teams to maintain a single sensor SKU as a cross-compatible spare across multiple machine types in the same facility.

Quality Assurance & Global Logistics

Every RELIANCE H2310240032XX06 unit supplied through siemensplc.com is sourced from authorized RELIANCE distribution channels and verified OEM surplus inventories. Each unit is subjected to a pre-dispatch inspection protocol that includes visual examination of housing integrity, label and date-code verification against RELIANCE’s authentic part marking standards, and a functional continuity check confirming output switching behavior under a 24 VDC test bench load. Original RELIANCE packaging, part markings, and batch documentation are preserved intact. Traceability records — including supplier batch numbers and inspection logs — are retained and available on request for quality-audited procurement environments operating under ISO 9001 or IATF 16949 frameworks.

Logistics operations are managed from Xiamen, China, with access to DHL Express, FedEx International Priority, and UPS Worldwide Expedited services. Standard international transit times are 3–7 business days to Europe, North America, Southeast Asia, and the Middle East. Domestic China shipments are dispatched via SF Express or JD Logistics with next-day delivery to major industrial hubs. All shipments include a commercial invoice, packing list, and CE/RoHS declaration of conformity. For time-critical MRO requirements, same-day dispatch is available for orders confirmed before 14:00 CST. Volume orders of 10+ units qualify for consolidated freight options and blanket order scheduling to support planned maintenance programs.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
Location: Xiamen, China
© 2026 siemensplc.com. All rights reserved.