发布时间:2025-01-21 03:02:36
披克这种门禁控制板输出的是继电器干触点,不与内部电源连接。接线图上已经标明了,接COM和NC。需要消防联动的话,要把消防联动的常闭输出触点串联在电磁锁的供电回路里。
~~西安哪里有哈根达斯的冰激凌蛋糕店啊。。一个小一些的蛋糕要多少RMB啊!!谢谢
2025-01-21 03:02:36推荐一台能收听到德国美国英国和亚洲国家新闻的收音机价位合理一些
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