1326AB-B520E-M2L電機
當有一個蘑菇頭按鈕松開或兩個蘑菇頭按鈕都松開的時候,閥的輸出為低電平,表現為滑塊靜止。單次模式在此模式下,壓力機只能完成一次下壓過程,而不能連續下壓兩次。閥的輸出不僅和雙手控制臺的按鈕狀態有關,同時也受限位開關OTS、UN的控制:
當雙手控制臺的兩個蘑菇頭按鈕同時被按下并保持按下狀態時,閥的輸出為高電平,表現為滑塊運動;
1326AB-B520E-M2L電機一旦壓力機完成了一次下壓的過程,無論按鈕松開與否,只要OTS限位開關到達凸輪1的A1點或UN限位開關到達凸輪2的A2點(從未觸發狀態到觸發狀態)時,即啟動停止行程,閥的輸出為低電平,表現為滑塊緩慢停止運行,最后停止于上死點(TDC)處。
當雙手控制臺的兩個按鈕都被松開、輸入復位后再次同時被按下時,則滑塊重復上述過程。
③連續模式
在此模式下,閥的輸出不僅和雙手控制臺的按鈕狀態有關,同時也受限位開關OTS、UN的控制:
當雙手控制臺的兩個蘑菇頭按鈕同時被按下并保持按下狀態時,伐的輸出為高電平,表現為滑塊運動,壓力機連續不斷地進行下壓工作;
當有一個蘑菇頭按鈕松開或兩個蘑菇頭按鈕都松開時,伐的輸出仍為高電平,壓力機完成此次下壓過程。當OTS限位開關到達凸輪1上的A1點(或UN限位開關到達凸輪2上的A2點)時,伐的輸出由高點平轉為低電平,表現為滑塊逐漸停止運動,最后停止于上死點處。
輸入復位后、雙手控制臺的兩個按鈕再次被同時按下時,滑塊重復上述過程。
④連續自動模式
在此模式下,閥的輸出受以下三個因素影響:
- 雙手控制臺的按鈕;
- 限位開關OTS、UN狀態;
- 其它安全保護裝置的狀態。
其運行規律為:
當雙手控制臺的兩個蘑菇頭按鈕同時被按下后(無論保持按下狀態或是松開),閥的輸出為高電平,表現為滑塊運動,壓力機連續不斷地進行下壓工作;
Industrial Ethernet switch products should be used to the harsh environment of industrial control site. The application of network equipment in industrial field must pass iec61000-4-5 and GB / T17626 5 and other specifications, and passed iec61000-4-8 and GB / T17626 Power frequency magnetic field immunity test shall be conducted according to the specifications such as IEC 61000-4-9 and GB / T17626 9. Impulse magnetic field immunity test can be conducted according to iec61000-4-11 and GB / T17626 11. Conduct voltage change immunity test.
3. Industrial Ethernet switches are mostly wide voltage planning, with operating voltages of 18vdc ~ 36VDC, 220VA, 220VDC, 110VDC, etc.
4. The power supply of industrial Ethernet switch is usually redundant dual power supply planning, and the civil Ethernet switch is single power supply.
5. Industrial Ethernet switch device method: DIN rail, rack, etc. Civil Ethernet switch device method desktop and rack.
6. The operating temperature of industrial Ethernet switches is mostly wide temperature operating temperature, and the operating temperature of civil Ethernet switches is narrow.
7. The heat dissipation method of industrial Ethernet switch is no fan shell heat dissipation, while that of civil Ethernet switch is fan heat dissipation.
8. The shell of industrial Ethernet switch is alloy