PZ96_AI3_KC三相电流监控仪表与塑壳开关配合实现_三遥_.pdfVIP

PZ96-AI3/KC三相电流监控仪表与塑壳开关配合实现“三遥” 江苏电器 (2007 No.1) PZ96-AI3/KC三相电流监控仪表 与塑壳开关配合实现 “三遥” 周中，陆伟青 (上海安科瑞电气有限公司，上海 201801) 摘 要：介绍一种PZ96-AI3/KC监控仪表，利用其I/O模块、RS-485通信模块，与配有电动机操作 机构的塑壳断路器配合实现“遥测、遥信、遥控”功能，从而实现电气回路的智能控制；简要介绍了仪表的 技术指标、控制步骤和方法，给出了仪表工作流程和上位机工作流程图；该方案方法简单，易于实现，易于 使用，有效地降低了成本。 关键词：PZ96-AI3/KC监控仪表；“三遥”；塑壳断路器；RS-485通信模块 中图分类号：TM564文献标识码：B 文章编号：1007-3175-(2007)01-0051-03 PZ96-AI3/KC Three-phase Current Monitoring Instrument and Plastic Casing Switch in Coordination to Achieve “Three-Remote” ZH OU Zhong, LU Wei-qing （Shang hai A crel Co.,L td, S hang hai 20 180 1, Ch ina ） Abstract : Introduction was made to a kind of PZ96-AI3/KC monitoring instrument, by u sing its I/O module, RS-4 85 communica- tion module, and pla stic casing circuit br eak er with electr ical operating mechanism in coordination to achieve “remote meter ing, remote signalling and remote contr ol” functions, therefor e to achieve electrical circu it ’s intelligent control. Technical index of the instrument, control procedur es and method were simply intr oduced, in strument working flow and upper level machine work ing flow wer e given ou t ; the plan is simple in method, easy to achieve and easy to u se, and effective in reduction of cost . Key words: PZ96-AI3/KC monitoring instrument ; “Three Remote”; plastic casing circuit breaker ; RS-4 85 communication module 0 引言 输入信号：允许持续电流和电压1.2倍，瞬时 10倍过载电流/s，瞬时2倍过载电压/s。 工厂低压配电系统中，存在着大量的电气回路， 频率：45～65Hz或直流； 其中一些重要回路需要实时测控以便故障发生后能 测量精度等级：0.5或0.2级； 够及时查寻处理。目前普遍采用“第四代”低压断 通信：RS485