The LCSTECH LCS‑SR8300 safety relay technical manual provides usage, installation, operation, verification, maintenance and safety guidelines.
This technical manual describes the purpose, standards, environmental requirements, packaging and storage for the LCS‑SR8300 safety relay. It explains how the relay processes signals from pressure‑sensitive sensors and delivers safety commands to machine control systems.
The document includes detailed sections on installation, wiring, LED status indicators, functional verification, routine maintenance, fault handling, technical parameters and safety precautions, helping users safely integrate the relay into control cabinets. This manual is written in Chinese.
| Performance Level (PL) | PLe |
|---|---|
| Safety Category (Cat.) | Cat.4 |
| Safety Integrity Level (SIL) | SIL3 |
| Diagnostic Coverage | 99 % |
| Hazardous Failure Probability (PFHd) | 3.09E-10/h |
| IP Protection Rating (minimum for installation) | IP54 |
| Rated Insulation Voltage | 250 VAC |
| Rated Impulse Voltage | 6000 V (1.2/50 µs) |
| Operating Temperature Range | -20 °C to +50 °C |
The safety relay must be installed at least 20 mm away from adjacent components.
When the sensor is triggered, LEDs K1 and K2 turn off.
The relay must be installed in an environment with at least IP54 protection.
The relay is rated for 250 VAC insulation voltage and 6000 V impulse voltage (1.2 µs/50 µs).