6EP1931-2DC11输入模块现货供应欢迎询价

6EP1931-2DC11输入模块现货供应欢迎询价
6EP1931-2DC11输入模块现货供应欢迎询价



2、自动保护熔炼工艺:
1.将自动/手动开关KS1切换到自动位置。将炉体开关KS2切换到Ⅰ＃炉。将真空/开关KS3切换到位置。
2.系统送电。按下S06启动液压站, H03灯亮。按下S30启动中频电源主回路, H39灯亮。按下S01启动机械泵H-70, H01 H05灯亮(H05在故障时为快闪光壮态），此时V0阀随H-70泵的启动而自 动 打开，H36灯亮。其他阀均处在关闭壮态。
3.用双手同时按住S9和S10使模台T1上升，撞到上限位S39时，上限位指示灯H19亮，即可松开双手。此时手动按下Ⅰ＃自动按钮S43, H37 灯亮，使Ⅰ＃炉进入全自动状态。(注:以上1. 2. 3项均为手动操作)。
4. 首先V1阀自动打开，H09灯亮，运行时H11为慢闪光。开到位后为常亮。(H11在故障时为快闪光）。炉体开始抽真空。待S39延时2秒后接通K4使溢流阀DT0得电。
5. 真空抽到30mbar时膜式开关TRO动作，H30灯亮,罗茨泵ZJP600自动启动。H02 H07灯亮。(H07在故障时为快闪光）。
的运行。
7. 待V1关闭到位后发出指令：V3充氩阀自动打开，运行时H13慢闪光。到位时H13灯常亮。向炉内开始充氩。
8. 充到40mbar时H29灯亮TR3发出指令：在关闭V3充气阀的同时，K07吸合中频开始自动加热，H43灯亮。加热到所设定的时间时,中频自动加热停止。
9. 中频自动加热接触器 K07 断开的同时：使V5 阀自动打开破空。H17 H15 灯亮。
10. 当PM1电接点真空压力表真空指示1000mbar时发出指令：使模台T1 自动下降，当撞到下限位S40 时H21 灯亮。并发出指令：XH1 语音提示“进入下一道工序”。至此一个熔炼周期结束。
两种浇注工艺在一个周期内自动控制，系统也可以切换到手动模式进行手动操作
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