DALI 与 0-10V 调光对比
可寻址数字控制与模拟调光的对比。
0-10V 便宜、成熟，对只需两个分区调光的仓库足够。DALI 更贵，但能做到 0-10V 做不到的事：逐灯寻址与状态回报。
| 对比维度 | 选项 A | 选项 B | 优胜 |
|---|---|---|---|
| Wiring | Two-core control bus, polarity-free | Two extra cores, polarity matters | DALI |
| 寻址方式 | Individual addresses per luminaire | Group or circuit level only | DALI |
| Dimming floor | 1% and lower, smooth curve | 10% typical, abrupt at the bottom | DALI |
| Scene control | Native scenes, groups, emergency status | Needs an external scene controller | DALI |
| 成本 | Higher drivers, commissioning effort | Lower drivers, quick installation | 0-10V |
| Best fit | Offices, hospitals, spaces that change | Warehouses, car parks, simple dimming | 视应用而定 |
结论
如果布局会变，或者需要逐灯应急与能耗回报，就一次到位上 DALI。如果调光设定后基本不动，0-10V 用更低成本达到同样的舒适度。
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📋 权威标准出处
IEC 60529 · CIE 13.3 · ANSI C78.377 · IES LM-79 / LM-80 · UL 1598 / UL 8750 — 数据由 CompareDeals 团队核验。