SI500 Wireless Intelligent Single-Point Lubricator | Automated Maintenance
Close the Loop: Data-Driven Lubrication for Professional Asset Management
The SI500 is an intelligent maintenance terminal designed to bridge the gap between vibration monitoring and physical intervention. By using real-time data to drive lubrication cycles, it eliminates the risks of manual errors, ensuring your bearings operate in the “optimal zone” 24/7.
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Smart Condition-Based Logic: Designed to sync with vibration measurement points to inject lubricant based on actual machine need, not just a timer.
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High-Pressure Motor Drive: Powerful delivery system (>5 bar) capable of overcoming high back-pressure in heavy-duty industrial bearings.
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Flexible Communication: Fully integrated with Zigbee, Bluetooth 5.0, and 4G for local app control or remote cloud management.
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Industrial Protection: IP65-rated housing, resistant to dust and water splashes, ideal for harsh factory environments.
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Large 300ml Reservoir: High-capacity tank reduces the frequency of refills, supporting emptying cycles from 1 to 9 months.
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Unified Ecosystem: Connects seamlessly to the SG60D Gateway, allowing you to manage both vibration and lubrication on a single dashboard.
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Visual Status Monitoring: Intelligent LED alerts for high back-pressure, system errors, and low lubricant levels.
Description
Closing the Loop: From Predictive Insights to Automated Action
In traditional maintenance, a vibration sensor tells you a bearing is running dry, but a technician still has to manually intervene—often in dangerous or hard-to-reach locations. The SI500 Wireless Intelligent Lubricator changes the paradigm. It is an automated terminal that can receive instructions based on real-time machine health data, ensuring that your equipment is lubricated precisely when the friction levels begin to rise.
Intelligent Condition-Based Lubrication
Most automatic lubricators operate on a simple timer, leading to “over-greasing” (which damages seals) or “under-greasing” (which causes wear). The SI500 integrates with the MARS Platform to enable Condition-Based Lubrication. By correlating vibration signatures with grease injection, the system creates a “closed-loop” maintenance cycle. It learns the unique requirements of your motors, pumps, and fans, delivering the exact milliliters required to return the asset to its optimal state.
Triple-Mode Connectivity for Total Control
To meet the demands of modern Industry 4.0 environments, the SI500 offers unparalleled communication flexibility:
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Zigbee Mode: Seamlessly connects to your existing Longvista SG60D Gateway, allowing lubrication management alongside your vibration sensors.
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4G/Cellular Mode: Enables direct cloud connection for remote assets where local network infrastructure is unavailable.
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Bluetooth 5.0: Allows maintenance teams to perform local configuration, manual overrides, and status checks via a mobile app during walk-throughs.
Engineered for High-Pressure Performance
Industrial bearings often face high back-pressure that stalls cheaper, spring-driven lubricators. The SI500 features a high-torque motor drive capable of generating pressures exceeding 5 bar. This ensures consistent lubricant delivery even through remote installation lines (up to 3 meters for oil), allowing you to mount the device in safe, accessible areas while the grease reaches the critical friction point.
Visual Intelligence & Error Handling
Maintenance teams shouldn’t have to guess the status of a lubricator. The SI500 features an integrated LED notification system that provides immediate feedback:
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Yellow Light: Alerts to high back-pressure, suggesting a blockage in the line.
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Red Light (Slow): Error stop reminder.
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Red Light (Fast): Lubricant reservoir is empty and requires a cartridge change.
A Pillar of the Unmanned Factory
The SI500 is a foundational tool for companies moving toward Unmanned Factory operations. By reducing the need for manual grease-gun rounds, you not only reduce labor costs but also significantly improve workplace safety by keeping personnel away from moving machinery and hazardous processing zones.
Universal Industrial Application
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Chemical & Pharma: Automated, spark-free lubrication for agitators and pumps in hazardous zones.
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Steel & Mining: High-pressure grease delivery to combat extreme loads and heavy contamination.
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Cement & Bulk Handling: IP65-sealed protection against abrasive dust, ensuring grease lines stay clean.
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Water & Power: 24/7 unmanned maintenance for critical pumps, fans, and hydroelectric turbines.
Features
The SI500 is engineered to provide high-fidelity mechanical performance with zero operational friction. Every feature is designed to maximize the “Health Care” of your rotating assets while minimizing manual labor.
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Predictive Maintenance Synergy: Unlike standard timed lubricators, the SI500 is an “Intelligent Terminal.” It can be linked to vibration data to perform non-timed grease injection, preventing the common industrial pitfalls of over-lubrication or dry-running.
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High-Pressure Motorized Drive: Equipped with a precision reduction motor, the system generates over 5 bar of pressure. This ensures that grease is successfully injected even in bearings with high internal resistance or through remote extension lines.
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Multi-Protocol Communication: Ready for any infrastructure. It supports Bluetooth 5.0 for local app-based control, ZigBee for mesh networking via the Longvista Gateway, and 4G for direct-to-cloud remote monitoring.
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Closed-Loop Feedback: The system features internal feedback mechanisms to verify that grease was actually delivered. If back-pressure is too high, the system alerts the user immediately via LED and the MARS platform.
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MQTT Protocol Support: Designed for the modern factory. With native MQTT support, the SI500 offers easy “docking” to third-party platforms and SCADA systems, ensuring your lubrication data is never siloed.
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Sustainability & Durability: Featuring a replaceable 1-year battery pack and a high-strength copolyester/PAGF housing, the SI500 is built to withstand the vibrations and chemical exposures of heavy industry.
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Flexible Deployment: Capable of remote installation up to 3 meters (for oil) or 1.5 meters (for grease), allowing you to move the lubricator away from high-heat or vibration-heavy points for easier maintenance access.
Specification
1. SI500 Intelligent Lubricator Specifications
The SI500 is a motorized, high-pressure lubrication terminal designed for precision delivery of grease or oil to critical rotating components.
| Category | Specification Details |
| Drive System | High-torque Reduction Motor |
| Lubricant Capacity | 300ml |
| Maximum Pressure | >5 bar |
| Operating Pressure Range | 0 – 5 bar Max |
| Grease Output (Daily) | Min: 0.82ml/day |
| Emptying Time Settings | 1, 2, 3, 4, 5, 6, 7, 8, or 9 Months |
| Remote Installation | ≤1.5m (Grease) / >3m (Oil Lubricant) |
| Operating Temperature | -30°C to +60°C |
| Thread Specification | G1/4 |
| Protection Rating | IP65 Dust and Water Resistant |
| Battery Pack | 4.5V 3.0Ah Lithium-Iron Disulfide (Replaceable) |
| Battery Life | ~1 Year (Depending on discharge settings) |
| Communication | Bluetooth 5.0, ZigBee, 4G (LTE-FDD/WCDMA/GSM) |
| Protocol Support | MQTT for Cloud and Platform Integration |
| Material Build | Copolyester Oil Tank / PAGF Head |
2. Wireless Gateway (System Bridge)
The SI500 integrates with the Longvista wireless gateway to enable site-wide automated maintenance.
| Feature | Specification Details |
| Sensor Capacity | Supports up to 45 wireless nodes (Sensors or Lubricators) |
| Wireless Range | 300m Line-of-Sight (Environment dependent) |
| Network Topology | Star Mesh (IEEE 802.15.4) |
| Upstream Connectivity | WiFi (Dual Band), 4G/LTE, Ethernet (RJ45), Fiber Optic |
| Local Storage | 8GB Non-volatile (Data buffering during offline periods) |
| Chassis Material | Industrial Grade Cast Aluminum |
| Environment | IP67 Rated, Operating Temp: -40°C to +70°C |
FAQ
How does the SI500 know when to inject grease?
The SI500 offers two primary modes. In Standard Mode, it follows a timed schedule (1–9 months). In Intelligent Mode, it is linked to a WS30M-ZH vibration sensor. When the sensor detects a “bad lubrication signature” or rising temperatures, the MARS Platform can trigger the SI500 to inject a specific dose of grease. This ensures the bearing is maintained based on actual condition rather than a clock.
What happens if there is a blockage in the grease line?
Unlike simple chemical or spring-driven lubricators, the SI500 is motorized and features internal feedback. If the back-pressure exceeds 5 bar (indicating a blockage or a “frozen” bearing), the device will stop to prevent motor damage and immediately trigger a Yellow LED alert. This status is also transmitted wirelessly to your dashboard so you can send a technician to clear the line.
Is the battery replaceable, and how long does it last?
Yes. The SI500 uses a high-capacity Lithium-Iron Disulfide battery pack that typically lasts one year. It is designed to be field-replaceable, allowing you to keep the main unit in service for many years. When the battery is low, the system will notify you via the platform and the on-device LED.
Can I install the lubricator away from the machine to avoid heat or vibration?
Absolutely. The high-pressure motor allows for remote installation. You can use extension tubes up to 1.5 meters for grease and up to 3 meters for oil. This is ideal for lubricating bearings located inside safety cages, in high-heat zones, or in positions that are ergonomically difficult for technicians to reach.
Does it work with any type of grease?
The SI500 is compatible with a wide range of standard industrial greases (up to NLGI grade 2). The 300ml reservoir is designed for easy refilling or replacement with the specific lubricant required by your equipment manufacturer.
Do I need to buy a separate gateway if I already have Longvista vibration sensors?
No. The SI500 uses the same Zigbee protocol as your WS30M-ZH sensors. It connects directly to your existing SG60D Gateway. You can manage your monitoring and your lubrication from the exact same interface, creating a unified predictive maintenance ecosystem.
