Genuine Bently Nevada 3500/32M 149986-02B - Industrial Automation Part

Bently Nevada 3500/32M 149986-02B Relay Module | Machinery Protection System

Description

Bently Nevada 3500/32M 149986-02B – 16-Channel Relay Output Module | 3500 Series Machinery Protection System

Engineering Background

The Bently Nevada 3500 Series is the industry-standard platform for continuous online machinery protection, widely deployed across rotating equipment in oil & gas, power generation, petrochemical, and heavy industrial facilities. The 3500/32M Relay Module (Part No. 149986-02B) is a critical output interface card within the 3500 rack architecture, providing hardwired relay contacts for alarm and trip logic execution.

Product Positioning

Designed for procurement engineers and reliability teams requiring a verified, drop-in replacement or expansion relay output module for existing 3500 Series protection racks. The 149986-02B variant supports 16 independent relay channels with configurable normally-open (NO) and normally-closed (NC) contacts, enabling direct integration with plant DCS, ESD, and PLC safety layers.

Complete Technical Specifications

Manufacturer	Bently Nevada (GE Measurement & Control / Baker Hughes)
Part Number	149986-02B
Model	3500/32M
Module Type	Relay Output Module
Series / Platform	Bently Nevada 3500 Machinery Protection System
Relay Channels	16 independent relay outputs
Contact Configuration	Form C (SPDT) — NO / NC selectable per channel
Contact Rating	5 A @ 250 VAC / 30 VDC (resistive load)
Relay Type	Electromechanical, latching / non-latching configurable
Power Supply	Supplied via 3500 rack backplane (no external PSU required)
Communication	Rack backplane bus (proprietary Bently Nevada protocol)
Module Format	Single-slot 3500 rack card
Operating Temperature	0 °C to +65 °C
Storage Temperature	-40 °C to +85 °C
Humidity	5% to 95% RH, non-condensing
Weight	740 g
Approvals / Compliance	CE, SIL-capable (per system-level SIL assessment)
Firmware / Configuration	Configured via Bently Nevada System 1 / Rack Configuration Software

Proven Application Environments

Gas turbine and steam turbine protection racks (trip relay output)
Centrifugal compressor and reciprocating compressor monitoring systems
Pump and motor protection panels in upstream/downstream oil & gas
Power plant auxiliary machinery protection (BOP systems)
Petrochemical plant rotating equipment safety shutdown systems
LNG terminal and refinery critical machinery protection
Marine propulsion and offshore platform machinery monitoring

Engineering Advantages

Direct rack compatibility: Plug-and-play replacement within any standard 3500 Series rack — no hardware modification required.
High channel density: 16 relay outputs per single rack slot minimizes rack space consumption in dense protection architectures.
Flexible contact logic: Per-channel NO/NC selection and latching/non-latching configuration supports diverse trip and alarm logic requirements.
Hardwired safety output: Relay contacts provide galvanically isolated, hardwired trip signals independent of communication bus integrity.
Long service life: Electromechanical relay design rated for high cycle life; suitable for both continuous monitoring and periodic test-trip applications.
System 1 integration: Full configuration and diagnostics via Bently Nevada System 1 software for centralized asset management.

System Architecture & Signal Flow

Within the 3500 rack, the 3500/32M Relay Module receives processed alarm and trip logic signals from monitor modules (e.g., 3500/40M, 3500/42M, 3500/45) via the rack backplane. Each relay channel maps to a configurable setpoint output — Alert, Danger, or custom logic — and drives hardwired contacts to field devices including solenoid valves, ESD panels, DCS digital inputs, and annunciator systems. The module supports both energize-to-trip (ETT) and de-energize-to-trip (DTT) wiring philosophies.

Sourcing & Quality Verification

All units sourced from verified industrial surplus, OEM-authorized channels, or controlled decommissioning projects.
Each module undergoes incoming inspection: visual check, label/part number verification, and functional bench test where applicable.
Original firmware and configuration integrity preserved; no unauthorized modifications.
Packaging: anti-static ESD bag + foam-lined carton; humidity indicator card included for long-haul shipments.
Traceability documentation available upon request (test records, photos, chain-of-custody).

Procurement Process

Submit RFQ: Contact support@konmask.com with your required quantity, delivery timeline, and any certification requirements.
Quotation: Receive itemized quote with unit price, lead time, and shipping options within 1 business day.
Order Confirmation: Purchase order accepted via email; proforma invoice issued for prepayment or NET terms (qualified accounts).
Shipment: DHL / FedEx / UPS express worldwide; EXW Xiamen or CIF destination available. Typical dispatch: 1–3 business days after payment confirmation.
After-Sales: 90-day warranty on verified units; technical support available for installation and configuration queries.

Technical FAQ

Q: Is the 149986-02B compatible with all 3500 rack sizes?: A: Yes. The 3500/32M is compatible with 3500 Series 4-slot, 8-slot, and 14-slot racks. Verify rack backplane revision with your system documentation.
Q: Can this module replace the 149986-01 or 149986-02 (non-B suffix)?: A: The -02B suffix denotes a hardware revision. Functional compatibility with earlier revisions is generally maintained, but confirm with your Bently Nevada system documentation or contact our technical team before substitution.
Q: Does the module require reconfiguration after installation?: A: Configuration is stored in the rack’s System Monitor module. A replacement 3500/32M will adopt the existing rack configuration automatically upon insertion if the rack System Monitor is intact. Full recommissioning is recommended per site procedures.
Q: What is the lead time for this part?: A: Subject to stock availability. Contact us for real-time inventory status. Express delivery to most destinations within 3–7 business days.
Q: Do you provide a Certificate of Conformance (CoC)?: A: Yes. CoC and inspection reports are available upon request for all verified units.