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单选题 The symbol of the data block is ()
学科：Industrial Control Application Technology
时间：2023-12-20 10:22:27
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题目1单选题
Self-locking control circuitintermediate, after the button is released, the motor does not work properlyA. PLCB. RelayC. ContactorD. Fuse box
题目2单选题
S7-1500系列产品是哪个厂家的()A. RockwellB. SiemensC. General ElectricD. Fuji
题目3单选题
Which of the following are the brand companies of PLC ()A. RockwellB. SiemensC. General ElectricD. Fuji
题目4单选题
目前我国市场中,哪种类型的PLC占比较高()A. MinorB. intermediate smallC. intermediate typeD. large-scale
题目5单选题
The CPU 1214C model is DC/DC/DC, and its intermediate first DC represents ()A. DBB. L Storage areaC. I storage areaD. Q storage area
题目6单选题
According to whether the 1M terminal is connected to the positive or negative electrode of the power supply, the wiring at the input end is divided into two types, namely () and () connectionA. IB. QC. MD. LE. DB
题目7单选题
The output end 3L+ is connected to the positive electrode of the power supply, 3M is connected to the negative electrode of the power supply, and the output port is connected to the power supply ()A. IB. QC. MD. LE. DB
题目8单选题
The common negative connection method of the 1M terminal is connected to the negative electrode of the power supply power supply at the input terminal, and the positive electrode of the power supply at the input end. This wiring method is suitable for sensors whose input is () leakage input typeA. IB. QC. MD. LE. DB
题目9单选题
1M end co-negative interface, the load is at the positive pole of the power supplyA. IB. QC. MD. LE. DB
题目10单选题
The symbol of the temporary storage area is ()A. Login optionB. All login options corresponding to the operationC. The selection panel for the selected actionD. The display area for the currently open item
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