GE Multilin UR8GH工控控制卡件
提供一个4至20mA模拟输入以接受传感器输出，用于显示诸如温度或水位的信息。提供了一个额外的后部RS485通信端口，用于过程、仪表、电气或维护人员的同时监控。图1-5：附加通信端口823774A6.CDR从GE Power Management Products CD VALUE MESSAGE ACTUAL SETPOINT RESET STORE 823779A8.CDR向PQM产品更新传输新固件•数据监控•问题诊断•事件记录•趋势分析•报告打印主设备控制/监控通信接口RS485 RS485 RS232打印报告使用第二/第三个通信端口电气、维护、工艺、仪表人员的同时访问d）控制选项提供额外的三个“C”型干触点输出继电器和四个干触点开关输入。这些附加继电器可与控制应用的设定值和输入/输出相结合。可能性包括：•泵保护的欠电流报警警告•发电机的过电压/欠电压•保护旋转机器的不平衡报警警告One 4 to 20 mA analog input is provided to accept a transducer output for displaying information such as temperature or water level. An additional rear RS485 communication port is provided for simultaneous monitoring by process, instrument, electrical, or maintenance personnel. FIGURE 1–5: Additional Communication Port 823774A6.CDR Transfer new firmware to the PQM Product update from GE Power Management Products CD VALUE MESSAGE ACTUAL SETPOINT RESET STORE 823779A8.CDR •Data monitoring •Problem diagnosis •Event records •Trending •Report printing Main plant control/monitoring communication interface RS485 RS485 RS232 Print reports Use 2nd/3rd comm ports for simultaneous access by electrical, maintenance, process, instrumentation personnel d) Control Option An additional three dry-contact form “C” output relays and four dry-contact switch inputs are provided. These additional relays can be combined with setpoints and inputs/outputs for control applications. Possibilities include: • undercurrent alarm warnings for pump protection • over/undervoltage for generators • unbalance alarm warnings to protect rotating machines
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