<p class="MsoNormal" style="text-indent: 21pt;"><span style="font-family: 宋体; color: black;">冷热源设备自身通常都配有十分完善的计算机监控系统,能实现对机组各部位的状态参数的监测,实现故障报警、制冷量、制热量的自动调节及机组的安全保护。而且大多数设备都留有与外界的通信接口。接口形式有两种,一种为</span><span lang="EN-US" style="font-family: Arial; color: black;">RS232</span><span style="font-family: 宋体; color: black;">/</span><span lang="EN-US" style="font-family: Arial; color: black;">RS485</span><span style="font-family: 宋体; color: black;">通信接口,一种为</span><span style="font-family: 宋体; color: red;">干触点接口</span><span style="font-family: 宋体; color: black;">。通过</span><span lang="EN-US" style="font-family: Arial; color: black;">RS232</span><span style="font-family: 宋体; color: black;">/</span><span lang="EN-US" style="font-family: Arial; color: black;">RS485</span><span style="font-family: 宋体; color: black;">接口,可以实现</span><span lang="EN-US" style="font-family: Arial; color: black;">BAS</span><span style="font-family: 宋体; color: black;">与主机的完全通信,而</span><span style="font-family: 宋体; color: red;">干触点接</span><span style="font-family: 宋体; color: black;">口只能接受外部的启停控制,向外输出报警信号等,功能相对简单。</span><span lang="EN-US" style="font-family: Arial; color: black;"></span></p><br/><p class="MsoNormal" style="text-indent: 21pt;"><span style="font-family: 宋体; color: red;"></span><span lang="EN-US" style="font-family: Arial; color: red;"><op></op></span></p>
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