3HAB2220-1
3HAB2220-1
3HAB2220-1
在河南西峡保护材料集团现有的配料系统中，工人首先将材料运送到称重车间，称重完之后，再将材料手动送到配料机上进行配料，称重车间使用了杭州四方的称重仪表进行称重，通过RS232口和工控主机相连，位于中控室的工控主机负责记录称重结果，显示称重数据，同时，控制人员可以在中控室通过控制电路手动控制配料过程的起停。
这种方式效率低下，同时，主机上运行的是C语言开发的DOS程序 [1] ，可扩性差，人机交互困难，不能完成自动配料的所有要求。为了提高生产率，降低成本，需要采用全自动配料系统。
新系统采用主从式结构。 以工控机为上位主机，以西门子PLC [2] 、变频器和称重仪表为下位从机。主机处于主导地位，实现对各从机的通信管理和控制，将工控机的RS-232异步通信口经电平转换后与PLC相连，形成上、下位机通信的一个物理通道；将主机的另一个RS-232口和称重仪表的通信口相连，构成第二个物理通道。上位机采用轮询方式，逐个与从站通信。上位机把任务规划的结果传送给PLC，在PLC进行控制的过程中，上位机使用上位机连接命令监视下位机的运行状态和数据区内容，实时读取PLC的内部状态以及称重仪表的实时数据，在上位机上显示。
[] 公司 [] 厦门泰尼电气有限公司
[] 点击 [] 各位老板年关降至，请要采购备件，急需各PLC 机器人的产品的。
[] 浏览 [] 想要质量好，价格好，保质保量吗？我们就在这里，等着你们。
[] 询价 [] 请不要犹豫了，请不要迟疑了，先到先得，错过可要没有了哦。
[] 订货 [] 请拨打我们的电话0592-6809319 或 手机 18950191386 ++微信 。
[] 发货 [] 或联系 QQ 2917675397 +++ 传真 0592-6890859
[] 地址 [] 厦门市海沧区滨湖一里7梯
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Miller AL96B4B 2x10 Pneumatic Cylinder, Non Tie Rod
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SMC NCA1C250-1300-X2US-9268CDN-DXCA Air Cylinder
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