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The Honeywell 10310/2/1 is a specialized Earth Leakage Detector (ELD) designed for the Fail-Safe Control (FSC) system. This module continuously monitors the insulation resistance between the 24VDC system power and the functional earth (ground), detecting low-impedance faults or leakage...
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The Honeywell 10310/2/1 is a specialized Earth Leakage Detector (ELD) designed for the Fail-Safe Control (FSC) system. This module continuously monitors the insulation resistance between the 24VDC system power and the functional earth (ground), detecting low-impedance faults or leakage currents early. By preventing potential safety loop failures, it protects sensitive electronics from unpredictable ground loops. We supply this unit as 100% brand new, original factory stock, ensuring electrical safety and regulatory compliance for your industrial control environment.
| Specification | Details |
|---|---|
| Model Number | 10310/2/1 |
| Module Type | Earth Leakage Detector (ELD) |
| Dimensions | 2.5 cm x 12.7 cm x 20.3 cm |
| Weight | 0.2 kg |
| Condition | 100% Brand New, Original |
| Monitoring Range | 24VDC Floating Systems |
Early Fault Warning:
The 10310/2/1 identifies gradual insulation degradation before a hard ground fault occurs, allowing for timely resolution during planned downtime.
System-Wide Protection:
This module can monitor an entire 24VDC bus segment, providing cost-effective protection for multiple I/O modules and field devices.
Deterministic Fault Reporting:
Directly integrated into the FSC diagnostic backplane, the module instantly reports leakage alarms to the central processor, ensuring that ground faults are logged in the sequence of events (SOE) buffer.
Galvanic Security:
Designed to monitor the system without introducing its own ground path, preserving the floating nature of high-integrity safety power supplies.
What triggers an earth leakage alarm on the 10310/2/1?
An alarm triggers when the resistance between the positive or negative 24VDC leg and the ground falls below a preset threshold, typically indicating issues like moisture in junction boxes, damaged cable insulation, or faulty field instruments.
Does this module protect against short circuits?
The 10310/2/1 detects leakage before a short circuit to ground, but its primary function is insulation monitoring. Standard overcurrent protection (fuses/breakers) is required for direct short-circuit protection.
Can I test the module manually?
Yes, the module typically features a front-panel "Test" button or terminal that simulates a leakage condition, allowing operators to verify detection and reporting functionality.
How many ELD modules are required per system?
Typically, one 10310/2/1 is required for each isolated 24VDC power domain. For systems with multiple isolated power supplies, each segment should be monitored independently.
