TSP121Y0S2A4AZ ABB

ABB 1SFA 616401R4010
ABB Membranpumpe 4N P23B4-5-80180 545 A220-230V 50-60Hz 46va
ABB V18346-1030520001\1/4NPT\ABB
ABB 1SAZ311201R1002
ABB 1SAZ501902R1001

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Description

通信的双方都能在同一时刻接收和发送信息,这种传送方式称为全双工方式;用同一根线或同一组线接收和发送数据,通信的双方在同一时刻只能发送数据或接收数据,这种传送方式称为半双工方式。在PLC通信中常采用半双工和全双工通信。


National Instruments AMUX-64T Analog Multiplexer

Hewlett Packard HP 5527 Servo Axis Demonstrator

Tyco NP1200 48-Volt 1200-Watt Power Supply E137750

National Instruments AMUX-64T Analog Multiplexer

Cogent Cirrus Logic EP7312 Development System with CD