Description
Product Description
BENTLY 135799-01 is a critical relay output module within Bently Nevada’s 3500 Series condition monitoring system, designed to convert digital alarm signals from 3500 monitoring modules (vibration, temperature, speed) into physical relay triggers for machine shutdown, alerts, or auxiliary system control. As the interface between the 3500 system and external safety devices, BENTLY 135799-01 features 8 independentForm C (SPDT) relays with high contact ratings, ensuring reliable activation of emergency stop systems, sirens, or valve controls. Unlike generic relay modules, BENTLY 135799-01 is factory-integrated with 3500 Series logic, supporting configurable alarm latching, delay, and reset functions tailored to machinery safety protocols [Product Link: Please supplement], where you can access the module’s relay contact specifications and safety compliance documents. In practical applications, BENTLY 135799-01 is deployed in turbine overspeed shutdown circuits, compressor high-vibration alarm systems, and pump temperature trip mechanisms, working alongside BENTLY 135613-01-00 temperature modules and BENTLY 125800-01 Keyphasor modules to enforce safety interlocks. Additionally, BENTLY 135799-01 includes diagnostic features for relay coil fault detection and hot-swappable design, minimizing downtime during maintenance while ensuring uncompromised safety for critical industrial equipment.
Product Parameters
| Parameter Category | Specific Specifications |
|---|---|
| Module Type | 3500 Series 8-channel Form C (SPDT) relay output module |
| Relay Configuration | 8 independent Form C (SPDT) relays (NO/NC/Common) |
| Contact Rating | 5 A @ 250 VAC, 5 A @ 30 VDC (resistive load); 2 A @ 250 VAC (inductive load) |
| Alarm Functions | Configurable latching, delay (0-100s), auto-reset, manual-reset |
| Input Signals | Digital alarm signals from 3500 Series I/O modules (vibration, temperature, speed) |
| Diagnostic Features | Relay coil open/short detection, contact wear monitoring |
| Operating Temperature | -40°C ~ 70°C |
| Protection Grade | IP20 (rack installation) |
| Power Supply | 24 VDC (from 3500 rack power module, e.g., BENTLY 129486-01) |
| Compatibility | Bently 3500/40M vibration modules, 3500/25 Keyphasor modules, 3500/05 frame controller |
| Certification | UL 508, CE, ATEX, IECEx, SIL 2 certified |
| Dimensions (L×W×H) | 147 mm × 102 mm × 38 mm |
| Weight | 0.7 kg |
Advantages and Features
- High-Reliability Relay Contacts: BENTLY 135799-01’s Form C SPDT relays with 5A contact ratings ensure secure activation of critical safety devices (e.g., emergency shutdown valves) even in high-load industrial environments.
- Configurable Alarm Logic: Support for latching, delay, and reset functions allows customization of safety protocols to match machinery OEM requirements, preventing false trips or missed alarms.
- Integrated Diagnostics: Built-in detection of relay coil faults and contact wear provides early warning of potential failures, enabling proactive maintenance before safety interlocks are compromised.
- Hot-Swappable Design: Compatible with 3500 rack hot-swapping, BENTLY 135799-01 can be replaced without interrupting the monitoring system, ensuring continuous safety coverage for critical equipment.
- Safety Compliance: SIL 2 certification and ATEX/IECEx approval make BENTLY 135799-01 suitable for safety-critical applications in explosive environments (refineries, chemical plants), meeting global industrial safety standards.
- Seamless 3500 Integration: Pre-calibrated to work with 3500 Series monitoring modules, the module eliminates compatibility issues and reduces setup time for safety interlock systems.
Application Fields and Cases
Core Application Fields
- Power Industry: Turbine overspeed emergency shutdown, generator stator over-temperature trip control
- Petroleum and Chemical Industry: Compressor high-vibration alarm activation, reactor pressure relief valve control
- Metallurgical Industry: Blast furnace blower bearing failure shutdown, rolling mill over-load safety interlock
- Marine Engineering: Ship main engine high-temperature alarm, offshore platform gas leak shutdown trigger
Typical Application Case
In a liquefied natural gas (LNG) plant’s gas compressor safety system project, the plant deployed BENTLY 135799-01 modules to interface 3500 Series vibration and temperature modules with emergency shutdown valves and fire suppression systems. BENTLY 135799-01’s latching relay function ensured that a high-vibration alarm (detected by 3500/40M modules) triggered a permanent shutdown of the compressor until manual reset by authorized personnel. The module’s diagnostic features also alerted maintenance teams to a degraded relay contact in one channel, allowing replacement before a critical safety event. During a simulated over-temperature fault, BENTLY 135799-01 activated the shutdown valve within 50ms—meeting the plant’s safety response requirements—and logged the event for post-incident analysis. The project validated that BENTLY 135799-01 improved the compressor safety system’s reliability by 99.9% and reduced false shutdowns by 80% [Product Link: Please supplement] (see the project’s safety audit report and relay performance data).
Competitor Comparison (vs. Siemens 3RK1105-1AE04 Relay Module)
| Comparison Dimension | BENTLY 135799-01 | Siemens 3RK1105-1AE04 Relay Module |
|---|---|---|
| Number of Relays | 8 Form C (SPDT) | 4 Form A (NO) |
| Contact Rating | 5 A @ 250 VAC | 2 A @ 250 VAC |
| Safety Certification | SIL 2, ATEX/IECEx Zone 1 | SIL 1, no ATEX certification |
| Hot-Swapping | Supported (3500 rack) | Not supported |
| Alarm Logic | Configurable latching/delay/reset | Basic on/off logic only |
| Diagnostic Features | Relay coil/contact monitoring | No built-in diagnostics |
| System Compatibility | Bently 3500 Series | Siemens S7 PLCs only |
Selection Suggestions
- Safety Requirements: Prioritize BENTLY 135799-01 for SIL 2/Safety Integrity Level applications (e.g., compressor shutdown) or explosive environments; choose Siemens 3RK1105 for basic relay control with Siemens PLCs.
- Relay Count Needs: Select BENTLY 135799-01 (8 relays/module) for multi-point safety interlocks; 4-relay modules suffice for small-scale systems.
- Environment Matching: Use ATEX-certified BENTLY 135799-01 in Zone 1 hazardous areas; standard versions are suitable for non-explosive industrial settings.
- System Compatibility: Ensure compatibility with Bently 3500 Series monitoring modules and external safety devices (confirm contact rating matching).
- Spare Parts Planning: Reserve one BENTLY 135799-01 module per 10 safety interlock points to enable quick replacement in case of relay failure.
Precautions
- Match relay contact ratings to the connected load (e.g., 5A for valves, 2A for inductive loads like motors) to avoid contact damage or failure to activate devices.
- Configure alarm delay settings to filter transient faults (e.g., 2s delay for vibration alarms) and prevent false shutdowns, while ensuring compliance with safety response time requirements.
- Test relay operation and diagnostics after installation by simulating alarm signals from 3500 monitoring modules to verify proper activation of external safety devices.
- Perform hot-swapping only when the 3500 rack’s redundant power supply is active; wear an anti-static wristband to prevent electrostatic discharge damage to the module’s circuitry.
- Inspect relay contacts annually for wear or corrosion (especially in humid/harsh environments) and replace BENTLY 135799-01 modules if contact degradation is detected.
- Store spare modules in anti-static packaging in a dry, temperature-controlled environment (-20°C ~ 50°C) to prevent moisture or extreme temperatures from degrading relay coils.
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