The actual load is compared to four limit values, and by achieving the limit value, the relay of the crane controller could be switch.
实际的装载量靠近极限值的同时，又不断与四个极限值相比较。起重机控制电容可以作为开关。
When the arm runs to the upper and lower two limit position, respectively press the lower limit switch, cut off the main control circuit, variable amplitude motor parking, to limit the role.
当臂杆运行到上下两个极限位置时，分别压下限位开关，切断主控电路，变幅电机停车，达到限位的作用。
Treads the foot switch lightly looked that meets on under the limit switch and the limit switch whether correct.
轻踏脚踏开关，看所接行程开关上及行程开关下能否准确。
In one side of the slide carriage, there is limit cam, response to the limit switch, to realize the broaching and returning function of the machine tool.
在溜板一侧装有限位碰铁，与限位开关感应，实现机床的拉削与返回功能。
Limit travel switch, play safe and limit the role of.
限位行程开关，起到安全和限位作用。
Limit switch: using limit switch component in designation to protect chain and ensure and security.
极限开关：吊上吊下都有极限开关部件，防止链条超出确保安全。
The pressure meters can give the switch signals of up limit pressure and down limit pressure of water supply.
压力表可发出供水压力下限和上限开关信号。
The adjustable limit switch of plastic moulds can precisely position limit switches, and guarantee the production quality of plastic moulds.
本实用新型可对限位开关进行精确的定位，保 证塑胶模具的生产质量。
Three-phase power supply phase sequence access must follow the relationship shown, phase sequence dislocation will guide the limit switch not properly limit the serious consequences.
三相电源的接入必须按照图示的相序关系，相序错位将导之限位开关不能正确限位的严重后果。
Introduced a type complex press-switch sensor. The sensor can setup many switch value, provide upper-limit, lower-limit and security alarm.
介绍一种复合式压力开关传感器，可设置多路开关量限，提供系统上、下限和超限报警。
Introduced a type complex press-switch sensor. The sensor can setup many switch value, provide upper-limit, lower-limit and security alarm.
介绍一种复合式压力开关传感器，可设置多路开关量限，提供系统上、下限和超限报警。
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