Product Core Brief
- Model: 3500/22-02-01
- Brand: Bently Nevada (Baker Hughes)
- Series: 3500 Machinery Protection System
- Core Function: Rack Interface Module (RIM) that provides the communication link between the 3500 rack and configuration, display, and diagnostic software.
- Product Type: 3500/22 Rack Interface Module (RIM)
- Key Specs: RS-232 serial interface | no Transient Data Interface (TDI) | supports 3500 Rack Configuration Software and 3500 display devices | legacy module superseded by 3500/22M TDI in newer installations
- Condition: New Surplus / Factory New (confirm firmware, connector condition, and rack compatibility before procurement)
Product Introduction
The Bently Nevada 3500/22-02-01 is a Rack Interface Module (RIM) for the 3500 Machinery Protection System. It provides the primary communication path between the 3500 rack and external software or display devices, enabling system configuration, status monitoring, alarm review, and diagnostic access.
The 3500/22 RIM is the traditional rack interface module. It is distinct from the newer 3500/22M Transient Data Interface (TDI), which combines RIM functionality with high-speed transient data collection. The 3500/22-02-01 does not include TDI capability and is typically found in older or legacy 3500 rack installations.
This module is installed in the dedicated framework interface slot of the 3500/05 rack, adjacent to the power supply modules. It communicates with 3500 Rack Configuration Software (3500/01) and compatible display devices such as the 3500/93, 3500/94, or 3500/95. The 3500/22 module itself does not perform vibration, displacement, or temperature measurement; it serves as the rack-level communication and configuration interface, while monitoring functions are handled by dedicated monitor modules such as 3500/40M, 3500/42M, 3500/45, and 3500/60.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | 3500/22 Rack Interface Module (RIM) |
| Brand | Bently Nevada (Baker Hughes) |
| Model | 3500/22-02-01 |
| Series | 3500 Machinery Protection System |
| Communication Interface | RS-232 serial interface |
| TDI Capability | No (non-TDI RIM) |
| Installation Slot | Dedicated RIM/TDI slot in 3500/05 rack |
| Compatible Software | 3500 Rack Configuration Software (3500/01) |
| Compatible Displays | 3500/93, 3500/94, 3500/95 |
| Successor Module | 3500/22M Transient Data Interface (TDI) |
| System Compatibility | Bently Nevada 3500/05 rack with 3500 monitor, relay, and communication modules |
Exact firmware version, connector type, and software compatibility should be confirmed against the installed rack configuration and OEM documentation.
Quality Control Process (DYNAMIC GENERATION)
- Part-number verification: Confirm 3500/22-02-01 on the module label and packaging.
- Visual inspection: Check front-panel connectors, mounting clips, PCB edges, and label for physical damage or corrosion.
- Connector integrity check: Inspect the RS-232 interface, rear connector, and internal ribbon connections for bent pins or poor contact.
- LED/status check: Verify OK and communication LEDs under safe power-up conditions.
- Communication test: Confirm RS-232 communication with 3500 Rack Configuration Software if test equipment is available.
- Rack compatibility check: Confirm the module matches the installed 3500/05 rack generation and does not conflict with a 3500/22M TDI installation.
Replacement Pitfall Guide (DYNAMIC GENERATION)
❗ Do not confuse 3500/22 with 3500/22M. 3500/22 is the legacy Rack Interface Module (RIM). 3500/22M is the newer Transient Data Interface (TDI) with additional high-speed data capabilities. They are not always drop-in interchangeable without verifying rack firmware, software version, and slot configuration.
❗ Verify the suffix code. The 02-01 suffix defines the communication interface and option set. Substituting 01-01 or another variant may change interface type, firmware, or display compatibility.
❗ This is not a vibration or temperature monitor. Some third-party listings incorrectly describe 3500/22 as a displacement monitor, temperature module, or display unit. The 3500/22 is a rack interface module, not a sensor or measurement channel.
❗ Confirm software compatibility. Older RIM modules may require specific versions of 3500 Rack Configuration Software. Upgrading to 3500/22M may also require software or firmware updates.
❗ Check rack slot rules. The 3500/22 or 3500/22M must be installed in the designated framework interface slot. Installing it in a monitor slot will not work.
❗ Treat as a communication-critical module. Although the RIM/TDI does not directly execute protection trips, loss of communication can prevent configuration changes, alarm acknowledgment, diagnostic access, and integration with display or DCS systems.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level | Migration Notes |
|---|---|---|---|
| Bently Nevada 3500/22-02-01 | Same 3500/22-02-01 RIM | Direct | Match suffix code and rack generation. |
| Bently Nevada 3500/22-02-01 | 3500/22M TDI (e.g., 288055-01 / 138607 series) | Needs Verification | TDI replaces RIM functionality but adds transient data capability; verify firmware and software compatibility. |
| Bently Nevada 3500/22-02-01 | 3500/20 RIM | Needs Verification | Different generation; confirm rack compatibility and feature set. |
| Bently Nevada 3500/22-02-01 | 3500/40M, 3500/42M, 3500/60 | Not interchangeable | These are monitor modules, not rack interface modules. |
Benchmarks:
- Legacy 3500/22 Rack Interface Module (RIM) for the Bently Nevada 3500 Machinery Protection System.
- Provides RS-232 communication for configuration, display, and diagnostics.
- Does not include Transient Data Interface (TDI) capability.
- Compatible with 3500/05 rack, 3500/01 configuration software, and 3500/93, 3500/94, 3500/95 display devices.
- Superseded in newer installations by the 3500/22M TDI module.
