详细介绍
IC697MEM717
IC697MEM717
1.3RFID技术的工作原理
RFID技术的基本工作原理并不复杂:标签进入磁场后,射频前端发出的射频信号,凭借感应电流所获得的能量发送出存储在芯片中的产品信息(PassiveTag,无源标签或被动标签),或者主动发送某一频率的信号(ActiveTag,有源标签或主动标签);读取信息并解码后,送至RFID射频识别控制单元进行有关数据处理。
2射频识别节点的硬件设计
2.1射频识别节点的结构
如图1为射频识别节点的结构:它包括:1)USB转串口单元;2)RFID射频识别控制单元;3)RFID读头前端单元;4)和无线射频收发单元。射频前端和标签间一般采用半双工通信方式进行信息交换,同时通过耦合给无源应答器提供能量和时序。在实际应用中,可进一步通过Eth-ernet或WLAN等实现对物体识别信息的采集、处理及远程传送等管理功能。
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Mitsubishi: A178B (A178B)
Motion Controller base unit (1 Motion slot 7 PLC I/O slots)
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Mitsubishi: A178B-S1 (A178BS1)
Motion Controller base unit (2 Motion slots 6 PLC I/O slots)
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Mitsubishi: A1S68AD (A1S68AD)
A/D input module 8 channels 0-12000
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Mitsubishi: A1S68B-S1 (A1S68BS1)
Extension base with 8 I/O slots and 1 power supply slot
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Mitsubishi: A1S68B-S1 (A1S68BS1)
Extension base with 8 I/O slots and 1 power supply slot
Enquire
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Mitsubishi: A1S68B-S1 (A1S68BS1)
Extension base with 8 I/O slots and 1 power supply slot
Enquire
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Mitsubishi: A1S68DAI (A1S68DAI)
D/A output module 8 channels 0-12000 0-20mA
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Mitsubishi: A1S68DAI (A1S68DAI)
D/A output module 8 channels 0-12000 0-20mA
Enquire