Description
BENTLY 135489-01 4-Channel Internal Barrier I/O Module
1. Product Description
The BENTLY 135489-01 is a 4-channel internal barrier I/O module designed for the 3500 Machinery Protection System, ensuring explosion-proof safety in hazardous industrial environments. It interfaces with proximity probes, accelerometers, and velocity sensors while providing intrinsic safety for petrochemical, oil & gas, and power generation applications. The module integrates seamlessly into BENTLY’s 3500 racks, offering real-time vibration monitoring, overspeed detection, and redundant control. Its internal barrier design eliminates external isolation components, reducing installation complexity and improving system reliability.
2. Product Parameters
| Parameter | Specification |
|---|---|
| Product Type | 3500/42 Internal Barrier I/O Module |
| Channels | 4 (Proximity/Acceleration/Velocity) |
| Input Voltage | 24 VDC ±10% |
| Temperature Range | -40°C to +70°C (-40°F to 158°F) |
| Isolation Rating | 250 V (Field to System) |
| Bandwidth | 30 kHz (Proximity/Acceleration) |
| Amplitude Accuracy | ±3% @ 10 kHz |
| Dimensions | 241.3 mm × 24.4 mm × 163.1 mm (9.50 in × 0.96 in × 6.42 in) |
| Weight | 0.46 kg (1.01 lb) |
| Certifications | CE, RoHS, ATEX, IECEx, API 670 |
3. Advantages and Features
- Explosion-Proof Design: Meets ATEX and IECEx standards for use in Zone 0/1 hazardous areas.
- Space-Saving: Integrates barriers internally, reducing rack space compared to external solutions.
- High Precision: ±1% velocity sensor accuracy and 30 kHz bandwidth for detailed vibration analysis.
- Case Study: A refinery reduced maintenance costs by 15% by retrofitting 135489-01 modules to eliminate external barrier failures.
4. Application Areas and Use Cases
- Industries: Oil & gas, petrochemical, power generation, and water treatment.
- Key Applications:
- Vibration monitoring of turbines, compressors, and pumps.
- Explosion-proof signal conditioning in offshore platforms.
- Redundant overspeed protection in rotating machinery.
5. Competitor Comparison
The 135489-01 outperforms alternatives by:
- Internal Barrier Integration: Eliminates the need for external barriers, simplifying installation.
- API Compliance: Meets API 670 safety requirements for critical machinery.
- Wide Sensor Support: Compatible with BENTLY’s 3300, 7200, and Velomitor sensors.
6. Selection Recommendations
- System Compatibility: Ensure integration with BENTLY 3500 racks and power supplies.
- Safety Requirements: Opt for redundant configurations in high-risk environments.
- Expansion: Pair with 3500/32M relay modules for alarm and shutdown functionality.
7. Precautions
- Installation: Follow ATEX guidelines for cable routing and grounding in hazardous areas.
- Calibration: Calibrate sensors annually using BENTLY’s 3500/05 software.
- Maintenance: Replace modules every 5 years or as per API 670 recommendations.
Shanxi XinyeDa International Trade Co., Ltd. supplies BENTLY 135489-01 and automation spare parts. Visit www.xydcontrol.com or contact us for sales and technical support.
