物品详细介绍:1 个非消毒RS-422/485,6 路消毒用户量手机输入和5 路消毒数字1量模拟输出The XW-board series are for uPAC-5000, LP-5000, and WP-5000 series. One PAC can only plug only one XW-board. The XW-board series have following common specification:DI channel is dry contact, sink type.DO channel is open collector, sink type.