Description
Product Introduction
The Bently Nevada 3500/22M-01-01-01 represents the complete, fully configured Transient Data Interface module kit for 3500 protection racks. This exact part number breakdown specifies a Standard TDI Main Module (-01), paired with a standard 10Base-T / 100Base-TX Ethernet/RS232/RS422 Rear I/O Module (-01), and certified under standard Agency Approvals (-01 for CSA/NRTL/CE Class I Div 2). It seats directly into Slot 1 of the 3500/05 chassis, right next to the rack power supplies.
By pairing the front 138607-01 processor card with the 138620-01 Ethernet rear I/O card, the 3500/22M-01-01-01 delivers two distinct communication paths. It routes static overall values and alarm flags to host DCS networks via Modbus serial or Ethernet, while simultaneously streaming uncompressed dynamic startup, coast-down, and steady-state waveforms to Bently Nevada System 1 optimization software.
Key Technical Specifications
| Parameter | Value |
| Full Part Number | 3500/22M-01-01-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Option Breakdown | -01 (Standard Main Module) / -01 (10Base-T/100Base-TX I/O) / -01 (CSA/NRTL/CE Agency Approval) |
| Front Card P/N | 138607-01 (Main Processor Board) |
| Rear I/O Card P/N | 138620-01 (Ethernet / Serial I/O Module) |
| Ethernet Port | 1x RJ45 (10/100Base-T for System 1 & Modbus TCP) |
| Serial Ports | 1x RS232 / RS422 / RS485 (Modbus RTU / ASCII) |
| Power Consumption | 10.5 Watts typical |
| Agency Certifications | CSA, NRTL/C, CE, Class I Division 2 (Groups A, B, C, D) |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
Application Scenarios & The “Trench” Experience
When an export gas compressor trips during a storm, pulling the right diagnostic logs fast determines whether you restart or wait on an expensive teardown. During a wet commissioning run at a Texas refinery, an offshore platform skid threw a system fault on their newly installed 3500 rack. The site team had ordered a generic TDI assembly that lacked the proper -01 rear Ethernet I/O option, leaving them unable to connect their System 1 diagnostic laptop. We shipped a complete, factory-matched 3500/22M-01-01-01 kit overnight, installed both front and rear cards, and had their rotordynamicist analyzing live orbit plots within an hour of delivery.
- Refineries & Petrochemical Works – Ethylene Cracker Turbines – Captures continuous steady-state vibration data and transient startup curves without missing a single sample.
- Combined-Cycle Power Stations – Heavy Steam Turbine Generators – Feeds high-speed waveform data directly to local System 1 servers while pushing Modbus summary registers to the plant DCS.
- LNG Transfer Terminals – Cryogenic Refrigeration Compressors – Meets Class I Div 2 hazardous location requirements for direct mounting in gas treatment plant control cabinets.
- Offshore Production Platforms – Main Injection Pumps – Enables full remote diagnostic access and rack configuration updates from onshore engineering offices.
Transparency SOP: Quality Assurance & Testing
We don’t just ship boxes; we test them on actual Bently Nevada test racks. Every 3500/22M-01-01-01 kit undergoes a rigorous bench SOP prior to dispatch:
- Kit Matching & Hardware Inspection: Verify that the front main card (138607-01) and rear I/O card (138620-01) carry identical hardware revisions and pristine gold edge connector pins.
- Backplane Alignment Check: Seat both front and rear cards into an active 3500/05 chassis equipped with dual power supplies and multiple 3500/42M monitor cards.
- Ethernet & Serial Handshake Verification: Assign IP parameters via 3500 Rack Configuration Software over the RJ45 Ethernet port; verify Modbus serial loopback integrity across RS232/RS485 terminals.
- Full Waveform Streaming Stress Test: Connect the kit to a System 1 test server under full 14-slot rack load. Inject simulated AC/DC probe signals to confirm 100% data throughput without buffer stalls or dropped packets for 8 hours.
- Anti-Static Packaging: Encapsulate front and rear cards in metallic ESD shielding bags with fresh desiccant and ship in custom-cut, high-density foam packaging.
3500/22M-01-01-01
3500/22M-01-01-01
The Veteran’s Tech Trap Guide (Crucial Value-Add)
- ⚠️ Rear I/O Card Requirement: The
-01rear option (P/N 138620-01) must be installed in the back of the exact same slot position as the front 3500/22M card. If you attempt to plug the front card into a rack that still has an old 3500/20 RIM rear card installed, you will bend the backplane connector pins instantly. - ❗ Network Port Speed & Duplex: Fix your managed switch port to 100Mbps Full Duplex or auto-negotiate matching the 138620-01 Ethernet PHY layer. Mismatched duplex configurations will cause packet collisions and freeze live transient waveform graphs in System 1.
- ⚠️ Firmware-to-Software Alignment: Ensure the firmware revision on the 138607-01 processor matches your installed version of Bently Nevada 3500 Configuration Software. A major revision discrepancy will prevent the software from writing new configuration files to the rack.
- ❗ Hot-Swapping Hardware Rules: To be honest, while you can hot-swap the 3500/22M front card without shutting down the machine (since adjacent 3500/42M cards execute protection trips independently), pulling the card will temporarily disconnect all DCS Modbus communications and System 1 data streams.
Frequently Asked Questions (FAQ for Conversion)
Q: What does the exact part number “3500/22M-01-01-01” break down to?
A: “3500/22M” is the Transient Data Interface series. The first “-01” specifies a Standard Main Processor Module. The second “-01” specifies a 10Base-T/100Base-TX Ethernet/Serial Rear I/O Module. The third “-01” indicates CSA/NRTL/CE Agency Approvals.
Q: Does this kit include both the front processor card and the rear I/O module?
A: Yes. Ordering the full option code 3500/22M-01-01-01 includes both the front 138607-01 main processor card and the rear 138620-01 Ethernet/Serial I/O board.
Q: Can I use this TDI module set without Bently Nevada System 1 software?
A: Yes. The 3500/22M handles complete rack configuration, system resets, and serial/Ethernet Modbus RTU/TCP data output to a host DCS or SCADA system independently of System 1.
Q: What is the difference between New Surplus and Re-certified units?
A: New Surplus units are original, unused factory spares in original packaging. Re-certified units are pre-owned assemblies that have undergone full component auditing, physical re-pinning, and 8-hour live rack burn-in testing.
Q: What warranty is provided with this 3500/22M kit?
A: We back every 3500/22M-01-01-01 module assembly with a comprehensive 12-month replacement warranty starting from the date of delivery.
Q: Why source 3500/22M hardware from surplus stock instead of factory direct?
A: OEM factory lead times for 3500 core processors often span several months. We keep physical, fully bench-tested stock ready for immediate dispatch, keeping your projects on schedule and eliminating plant downtime.
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