Description

EATON 9202‑ETS Transducer Interface Module

Technical Specifications

• Product Model: 9202‑ETS
• Brand: EATON
• Warranty: One Year
• Input Voltage: 24 VDC nominal system supply, 400 mA typical power consumption
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: -40 °C to +85 °C
• Response Time: <20 ms sensor signal sampling cycle
• Protection Class: IP20 (rack‑mount cabinet‑only Eurocard PCB)
• Accuracy Class: ±0.2 % full‑scale for proximity probe signal conditioning
• Output Frequency: 0‑10 kHz vibration and displacement signal bandwidth
• Rated Current Range: Probe driver supply current limited to 120 mA total
• Communication Interface: Rear field screw terminals; system rack backplane connector
• Supported Protocols: EATON 9200 series internal machinery monitoring bus; analog buffered test outputs
• Overload Capacity: On‑board transient suppression; short‑circuit probe‑input protection
• Dimensions: 160 mm × 100 mm × 22 mm Eurocard format

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Product Overview

The 9202‑ETS is a transducer interface signal‑conditioning board for Eaton 9200 machinery‑protection monitoring systems. It powers and processes eddy‑current proximity probe signals for shaft vibration, shaft displacement, axial‑thrust and eccentricity measurements on rotating turbomachinery. This module performs probe‑health diagnostics including gap‑voltage monitoring to detect broken cables, shorted probes and incorrect mechanical installation before unsafe operating conditions develop. Buffered raw‑signal test points enable convenient handheld‑instrument troubleshooting without disconnecting field wiring.

This hardware solves core rotating‑equipment‑monitoring challenges: stable excitation and signal conditioning for eddy‑current probes, early detection of sensor‑loop faults, and drop‑in spare‑part compatibility for legacy 9200 monitor racks. Channel‑level fault isolation prevents field‑wiring failures from propagating to other monitor channels. Turbomachinery‑protection engineers, power‑plant and oil‑gas‑site maintenance technicians and machinery‑retrofit integrators benefit most. It installs into standard 9200‑series rack slots, works cooperatively with other monitor modules, and preserves critical shaft‑monitoring functions for gas‑turbine, steam‑turbine and large‑compressor protection workflows.

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Key Application Notes

• Requires pairing with 9200‑series monitor mainframes; cannot execute standalone alarm‑protection logic
• Designed for eddy‑current proximity probes; not compatible with passive velocity‑coil vibration sensors
• Gap‑voltage diagnostic values are accessible via front‑test ports and system HMI for probe‑gap mechanical setup
• Conformal‑coated PCB variant available for cabinets with high‑humidity and airborne‑contaminant exposure
• Hot‑swap replacement is supported within redundant monitor‑rack configurations
• Intended strictly for safe‑area control‑room cabinet‑mount installation; not suitable for direct field hazardous‑area deployment