9907-346 速度感应单元 超速保护系统
【产品详情】
伍德沃德 ProTech 9907-346 超速保护的通电跳闸型号 203。24Vdc 输入、可锁定外壳和跳闸警报
此设计和硬件投票配置允许的功能包括:
热更换 – 原动机在线时可以更换单个单元
内置自检 – 速度感应单元可以一次测试一个,而不会引起跳闸
速度感应单元 A、B 和 C 具有独立的 24 Vdc 电源。9907-346 型是一种通电跳闸超速保护系统。如果您的应用不需要通电跳闸模型,AX 控制器还带有 24 Vdc 断电跳闸模型。
防止产生电磁干扰的设备是安装 ProTech 203 型号 9907-346 时应采取的预防措施之一。如果无法避免靠近此类设备,则可能需要使用双屏蔽线、屏蔽电缆磨合导管或其他预防措施。
Woodward ProTech 手册 85206 包含有关 9907-346 超速保护系统的位置注意事项、接线和产品规格的更多信息 。
9907-346 速度感应单元 超速保护系统
【英文介绍】
Woodward ProTech 9907-346 Overspeed protection power-on trip Model 203. 24Vdc input, lockable housing and trip alarm
Features allowed by this design and hardware voting configuration include:
Hot replacement - Individual units can be replaced while the prime mover is online
Built-in self-test - the speed sensing unit can be tested one at a time without tripping
The speed sensing units A, B and C have independent 24 Vdc power supplies. Type 9907-346 is a power trip overspeed protection system. If your application does not require a power-off trip model, the AX controller also comes with a 24 Vdc power-off trip model.
Protection against electromagnetic interference is one of the precautions to be taken when installing ProTech 203 Model 9907-346. If proximity to such devices cannot be avoided, it may be necessary to use double shielded wires, shielded cable run-in conduits, or other precautions.
Woodward ProTech Manual 85206 contains more information about the position considerations, wiring and product specifications of the 9907-346 overspeed protection system.
9907-346 速度感应单元 超速保护系统
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