马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。
您需要 登录 才可以下载或查看,没有账号?立即注册
×
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px; visibility: visible;">变频器常见的频率控制方式有键盘数字设定,模拟量AI1设定(对应键盘模拟电位器),模拟量AI2设定(对应端子AI2),模拟量AI3设定(对应端子AI3),高速脉冲HDI设定,多段速运行设定等。本文以英威腾GD20变频器为例,介绍如何通过PLC的模拟量输出模块控制变频器的频率。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px; visibility: visible;">首先按下图所示连接好变频器的主回路。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px; visibility: visible;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-wrap: wrap; background-color: rgb(255, 255, 255); text-align: center; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img" src="https://mmbiz.qpic.cn/mmbiz_png/icd2PKarWMaK4nKBMkGH9Cm9ANPAh0xEMPpCW5gebibPNMAz0aa8hLeJyZBEHypccIvBjbaA5iciargkkia2icfTT1Ew/640?wx_fmt=png&wxfrom=13&wx_lazy=1&wx_co=1&tp=wxpic" style="margin: 0px; padding: 0px; outline: 0px; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important; width: 677px !important;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px; visibility: visible;">PLC 200 smart可以扩展六个模块,通过扩展模块接口和PLC连接在一起,不需要额外接线,PLC模拟量模块我们选择EMAM03,该模块为两路模拟量输入和一路模拟量输出模块,EMAM03模块和变频器之间的连接如下图所示。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-wrap: wrap; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img" src="https://mmbiz.qpic.cn/mmbiz_png/icd2PKarWMaK4nKBMkGH9Cm9ANPAh0xEMzwLADfCsv62IZrIMgh8I8667mvcMWZoItGWfkLGrNeflr0FUJCMhUg/640?wx_fmt=png&wxfrom=13&wx_lazy=1&wx_co=1&tp=wxpic" style="margin: 0px; padding: 0px; outline: 0px; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important; width: 677px !important;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;">线路连接好后我们进行软件编程。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;">首先进行硬件组态,如下图所示添加模块。模块0对应的模拟量输出映像寄存器对应的地址为AQW16,输出类型为电压型。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-wrap: wrap; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img" src="https://mmbiz.qpic.cn/mmbiz_png/icd2PKarWMaK4nKBMkGH9Cm9ANPAh0xEMtWGj7qb2n9Gal0tNSb6w43Ef85e9SeUDgXib97cEQRXnia2VhcWFu1IA/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=wxpic" alt="图片" style="margin: 0px; padding: 0px; outline: 0px; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important; width: 677px !important;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;">组态完成后根据系统分配的地址编写程序,在此处可以直接调用库中的模拟量转换,设置好相应的参数。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-wrap: wrap; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img" src="https://mmbiz.qpic.cn/mmbiz_png/icd2PKarWMaK4nKBMkGH9Cm9ANPAh0xEMJ8mIZHnSysHQxzHf6C2UXKSoGYxmlcyT3uhhIGNLgwdVmicOia1IvaYg/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=wxpic" alt="图片" style="margin: 0px; padding: 0px; outline: 0px; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important; width: 486px !important;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 0em; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-family: 黑体; font-size: 16px;">把程序下载到PLC里面,修改变频器的参数P00.18为1,P00.06为2,就可以通过修改VD0中的数值来改变变频器的频率,比如在PLC中给VD0写入40.0,则变频器的运行频率为40.0Hz。</span></p><p><br/></p> |