GB/T 24808-2022 in English
VALIDElectromagnetic compatibility for lifts, escalators and moving walks—Immunity
- Issued on:2022-03-09
- Implemented on:2022-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$272.00
《GB/T 24808-2022电梯、自动扶梯和自动人行道的电磁兼容 抗扰度》由TC196(全国电梯标准化技术委员会)归口,主管部门为国家标准化管理委员会。
Introduction
Analysis of key technical points of the standard
| Test type | Frequency band range | Test level | Judgment criteria |
|---|---|---|---|
| Housing port immunity | 0.8-18GHz | 3V/m→10V/m | Judgment criteria D IEC61000-6-2 |
| AC power port | 0.15-80MHz | ±2kV/5kHz | Judgment criteria A/B/C |
Key points of technological evolution
Major improvements of the 2022 version include:
- Added protection requirements for dedicated communication frequency bands: added base station scenario tests at 890MHz-7GHz
- Strict enclosure port standards: the field stress in the adjacent area is increased to 27V/m (hazardous location frequency band)
- Clear safety circuit testing: maximum current limit when using integrated test bench
Implementation recommendations section
Pay special attention during practice:
- It is recommended to adopt a layered shielding design: the outer layer of the control cabinet/cable shielding needs to reach 65dB attenuation
- Purchase certified equipment cables: meet the AN30 locomotive cable interface requirements of the ISO7637 standard
- System debugging priority: perform routine EMC tests first, then verify safety circuit criterion D

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