The Bently Nevada 135031-01 is a RIM I/O Module with Modem Interface for the 3500 series machinery protection system. It serves as the rear I/O card that works in conjunction with the 3500/20 Rack Interface Module (RIM) main card, providing an integrated modem interface for remote communication with external monitoring and configuration tools.
Item No :
3500/20-01-01-00Order(MOQ) :
1 PiecePayment :
EXW/CIFProduct Origin :
USAShipping Port :
WuhanLead Time :
3-5daysWeight :
3kg| Specification | Description |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model | 135031-01 |
| Product Family | 3500 Machinery Protection System |
| Product Type | RIM I/O Module with Modem Interface |
| Compatible Main Card | 125744-02 (Standard RIM) or 125744-01 (TMR RIM) |
| Rack Position | Slot 1 (rear slot, behind the 3500/20 RIM main card) |
| Communication | Internal modem communications (14.4 k baud maximum) |
| Data Rate (Serial) | 38.4 k baud maximum (auto baud capable) |
| Modem Cable Length | Consult modem manufacturer; typical 3 meters (10 feet) |
| Compatible Processors | TDXnet, TDIX, DDIX |
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
| Dimensions (H x W x D) | 241.3 mm x 24.4 mm x 99.1 mm |
| Weight | 0.45 kg (1.0 lb.) |
| Power Consumption | Typically 3.5W |
| Country of Origin | USA |
| Lifecycle Status | Active / Available as New Surplus |
| Model | Description | Typical Application |
|---|---|---|
| 135031-01 (this model) | RIM I/O Module with Modem Interface | Remote communication via modem |
| 125768-01 | RIM I/O Module with RS-232/RS-422 Interface | Local serial communication (shorter distance) |
| 125744-02 | Standard Rack Interface Module (main card) | Companion front card for standard RIM |
| 125744-01 | TMR Rack Interface Module (main card) | Companion front card for TMR RIM |
| 125760-01 | Data Manager I/O Module | Connect two communication processors to rack |
| 3500/22M | Transient Data Interface (TDI) | Modern replacement with Ethernet/USB connectivity |
Q1: What is the primary function of the 135031-01?
It is the rear I/O module for the 3500/20 Rack Interface Module (RIM). It provides an integrated modem interface that enables remote communication with the 3500 rack for configuration, data retrieval, and diagnostics. It is designed for applications where direct serial connection is not practical and remote access via modem is required .
Q2: Where should the 135031-01 be installed?
The module must be installed in the rear Slot 1 of the 3500 rack, directly behind the 3500/20 RIM main card. It occupies one full-height rear slot and must be positioned adjacent to the power supply .
Q3: What is the difference between the 135031-01 and the 125768-01?
The 135031-01 provides an integrated modem interface for remote communication over telephone lines. The 125768-01 provides RS-232/RS-422 serial communication for direct local connection. The RS-232 interface supports cable lengths up to 30 meters, while RS-422 supports up to 1200 meters . The modem version is used when the rack must be accessed from a remote location without a direct serial cable run.
Q4: What communication processors are compatible with this module?
The 135031-01 supports compatible Bently Nevada external communication processors including TDXnet, TDIX, and DDIX. These processors enable data collection and configuration for host software such as System 1 .
Q5: Is the 135031-01 still available?
Yes. The module is listed as Active and available as New Surplus stock through aftermarket suppliers. Multiple distributors show inventory availability with 12-month warranties . The 135031-01 remains a critical spare for existing 3500 series installations that require remote modem-based communication.
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