CN103186110A - Signal transmission method and device for sensor and master control PLC - Google Patents

Signal transmission method and device for sensor and master control PLC Download PDF

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Publication number
CN103186110A
CN103186110A CN2011104474022A CN201110447402A CN103186110A CN 103186110 A CN103186110 A CN 103186110A CN 2011104474022 A CN2011104474022 A CN 2011104474022A CN 201110447402 A CN201110447402 A CN 201110447402A CN 103186110 A CN103186110 A CN 103186110A
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CN
China
Prior art keywords
sensor
wireless
master control
adapter
control plc
Prior art date
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CN2011104474022A
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Chinese (zh)
Inventor
倪春鹏
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贵阳铝镁设计研究院有限公司
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Priority to CN2011104474022A priority Critical patent/CN103186110A/en
Publication of CN103186110A publication Critical patent/CN103186110A/en

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Abstract

The invention discloses a signal transmission method and a device for a sensor and a master control PLC (programmable logic controller). The method comprises the steps that a wireless node adapter is arranged on the sensor, so that a data signal of the sensor is sent by the wireless node adapter; a wireless gateway is arranged on the master control PLC; and the wireless gateway receives data sent by the wireless node adapter and then sends the received data to the master control PLC through the wireless gateway, so that the problem of poor contact of a data transmission line between the sensor and the master control PLC is solved. According to the method and the device, the wireless node adapter and the wireless gateway are arranged correspondingly between the sensor and the master control PLC, so that data transmission is realized through a wireless transmission mode between the sensor and the master control PLC, and the defects arising from a wired connection mode, such as production accidents due to cable core fracture or connection point looseness are overcome. The method and the device are simple in structure, convenient to use and good in using effect.

Description

传感器与主控PLC的信号传输方法及装置 Signal transmission method and apparatus of the sensor and the master PLC

技术领域 FIELD

[0001] 本发明涉及一种传感器系统,尤其是一种传感器与主控PLC的信号传输方法及装置。 [0001] The present invention relates to a sensor system, in particular a sensor and the master PLC signal transmission method and apparatus.

背景技术 Background technique

[0002]目前,安装在碳块堆垛天车、焙烧多功能机组等设备上的各类传感数量众多,而且所有传感器都是通过电缆把信号输入碳块堆垛天车的主控PLC。 [0002] Currently, a large number of various types of sensors mounted on the stacking crane carbon block, baking multifunction units and other equipment, and all sensor signals are input through the cable to the carbon block stacking crane master PLC. 但是,由于装在这些设备上的各类传感器通常都安装在需要移动的部件上,而这些部件长期往复的移动及振动,因此,经过长时间使用就会导致电缆芯折断或接线点松动,使得主控PLC接收不到正常的信号,从而导致生产事故发生。 However, because various types of sensors mounted on these devices are usually long and the reciprocating movement of the vibrating member mounted on the member to be moved, and, therefore, after prolonged use can lead to breaking of the cable core or a loose connection point, such that master PLC can not receive the normal signal, resulting in the production of the accident.

发明内容 SUMMARY

[0003] 本发明所要解决的技术问题是,提供一种传感器与主控PLC的信号传输方法及装置,它能避免主控PLC与传感器之间的连接电缆芯折断或接线点松动,以克服现有技术不足。 [0003] The present invention solves the technical problem is to provide a sensor and a signal transmission method and apparatus of the master PLC, which avoids the cable core is connected between the master PLC and a sensor or the breaking loose connection point, to overcome the current there are technical deficiencies.

[0004] 本发明的技术方案:传感器与主控PLC的信号传输方法,在传感器上设置无线节点适配器,使传感器的数据信号通过无线节点适配器进行发送,并在主控PLC上设置无线网关,无线网关接收无线节点适配器发送的数据,再通过无线网关将接收到的数据发送至主控PLC中,从而避免传感器与主控PLC之间的数据传输线接触不良的问题。 [0004] aspect of the present invention: a sensor and a signal transmission method of the master PLC, the wireless sensor node is provided on the adapter, so that the data signal is transmitted via the wireless sensor node adapter, and is provided on the master PLC wireless gateway, wireless gateway wireless node receives data transmitted from the adapter, and then received by the wireless gateway transmits data to the master PLC, thereby avoiding the problem of data transmission line between the sensor and the master PLC contact failure.

[0005] 传感器与主控PLC的信号传输装置,它包括主控PLC,传感器,在主控PLC上连接有无线网关,在传感器上连接有无线节点适配器,无线节点适配器与无线网关连接,无线节点适配器与无线网关之间为无线连接。 [0005] The signal transmission device with the master PLC of the sensor, which includes a master PLC, sensors, wireless node in the wireless gateway connected to the master PLC, the sensor is connected to the wireless node adapter, wireless adapter and the wireless node connected to the gateway, between the adapter and a wireless connection to the wireless gateway.

[0006] 与现有技术相比,由于采用上述技术方案,本发明在采用在传感器与及主控PLC之间设置对应无线节点适配器及无线网关,使传感器与主控PLC之间通过无线传输的方式来实现数据传输,避免了采用有线接线方式带来弊端:如电缆芯折断或接线点松动而导致生产事故发生。 [0006] Compared with the prior art, since the above technical solution, the present invention is employed in the sensor and arranged between the PLC and the corresponding wireless gateway wireless node and host adapter, so that between the sensor and the master PLC via the wireless transmission of way to implement the data transmission, to avoid the use of cable wiring brings disadvantages: the terminal points of the cable core or breaking loose and cause accidents produced. 本发明的方法简单,所采用的装置容易制作,使用方便,使用效果好。 The method of the present invention is simple, easy to make the apparatus employed, good ease of use, results.

附图说明 BRIEF DESCRIPTION

[0007] 图1是本发明的结构示意图。 [0007] FIG. 1 is a structural diagram of the present invention.

具体实施方式 Detailed ways

[0008] 本发明的实施例:传感器与主控PLC的信号传输方法,在传感器上设置无线节点适配器,使传感器的数据信号通过无线节点适配器进行发送,并在主控PLC上设置无线网关,无线网关接收无线节点适配器发送的数据,再通过无线网关将接收到的数据发送至主控PLC中,从而避免传感器与主控PLC之间的数据传输线接触不良的问题。 [0008] Example embodiments of the present invention: a sensor and a signal transmission method of the master PLC, the wireless sensor node is provided on the adapter, so that the data signal is transmitted via the wireless sensor node adapter, and is provided on the master PLC wireless gateway, wireless gateway wireless node receives data transmitted from the adapter, and then received by the wireless gateway transmits data to the master PLC, thereby avoiding the problem of data transmission line between the sensor and the master PLC contact failure.

[0009] 传感器与主控PLC的信号传输装置的结构如图1所示,在主控PLCl的附近安装一个无线网关2 (无线网关2可采用市售的无线路由器或无线交换机等无线传输设备),将无线网关2与主控PLCl通过一段很短的通信电缆连接起来,在每个传感器4的附近都安装一个无线节点适配器3,将无线节点适配器3通过很短的电缆连接起来,无线节点适配器3与无线网关2之间采用无线连接,无线节点适配器3与无线网关2之间支持的通讯协议有RS-485 Modbus RTU, Modbus TCP 或Ethernet IP。 [0009] The structure of the sensor and the master PLC signal transmission device shown in Figure 1, is mounted in the vicinity of a master wireless gateway PLCl 2 (wireless gateway 2 can be a commercially available wireless router or wireless switches wireless transmission device) , the wireless gateway 2 and the master PLCl connected by a short communication cables, in the vicinity of each sensor 4 are installed a wireless adapter node 3, node connecting the wireless adapter 3 together by a short cable, wireless adapter node between 23 using a wireless connection with the wireless gateway wireless node between the adapter 3 and the support 2 have a wireless gateway protocol RS-485 Modbus RTU, Modbus TCP or Ethernet IP.

[0010] 在使用过程中,传感器4将采集的到数据线传输给无线节点适配器3,无线节点适配器3无线节点适配器3通过无线网络与无线网关2通讯,无线网关2将接收到的传感器信号输入主控PLC 1,所有监控信号的传输速度完全满足碳块堆垛天车或烧多功能机组等设备的动作响应速度要求。 [0010] During use, the sensor 4 will be collected to the sensor signal input data line is transmitted to the wireless node adapter 3, the wireless node adapter 3 wireless node adapter 3 through a wireless network and the wireless gateway 2 communication, wireless gateway 2 received master PLC 1, the transmission speed of the monitored signals satisfy burning carbon block or stacking crane operation response speed of multifunctional units and other equipment required.

Claims (2)

1.一种传感器与主控PLC的信号传输方法,其特征在于:在传感器上设置无线节点适配器,使传感器的数据信号通过无线节点适配器进行发送,并在主控PLC上设置无线网关,无线网关接收无线节点适配器发送的数据,再通过无线网关将接收到的数据发送至主控PLC中,以避免传感器与主控PLC之间的数据传输线接触不良的问题。 1. A sensor and signal transmission method of the master PLC, which is characterized in that: the sensor is provided on the adapter wireless node, data signals transmitted over the wireless sensor node adapter, and is provided on the master PLC wireless gateway, the wireless gateway wireless data transmission adapter receiving node, then the received data is sent to the master PLC via a wireless gateway, a data transmission line to avoid problems between the sensor and the master PLC contact failure.
2.—种传感器与主控PLC的信号传输装置,它包括主控PLC(l),传感器(4),其特征在于:在主控PLC (I)上连接有无线网关(2),在传感器(4)上连接有无线节点适配器(3),无线节点适配器(3)与无线网关(2)连接,无线节点适配器(3)与无线网关(2)之间为无线连接。 2.- kinds of sensors and the master PLC signal transmission device, comprising a master PLC (L), the sensor (4), characterized in that: the wireless gateway connected to the master PLC (the I) (2), the sensor (4) connected to the wireless node adapter (3), the wireless node adapter (3) with a wireless gateway (2) connection, a wireless node adapter (3) with a wireless connection between the wireless gateway (2).
CN2011104474022A 2011-12-28 2011-12-28 Signal transmission method and device for sensor and master control PLC CN103186110A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744071B4 (en) * 1996-10-05 2004-12-30 Lg Industrial Systems Co., Ltd. A programmable logic controller-use control system
CN101682587A (en) * 2007-04-13 2010-03-24 Hart通信基金会 A wireless gateway in a process control environment supporting a wireless communication protocol
CN101963793A (en) * 2009-07-24 2011-02-02 北方工业大学 Two-section wireless type aluminum-tapping operating-precision control system for aluminum-electrolysis multifunctional crane
CN202004975U (en) * 2010-12-09 2011-10-05 贵阳铝镁设计研究院有限公司 Wireless sensor system of electrolysis multifunctional machine set

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744071B4 (en) * 1996-10-05 2004-12-30 Lg Industrial Systems Co., Ltd. A programmable logic controller-use control system
CN101682587A (en) * 2007-04-13 2010-03-24 Hart通信基金会 A wireless gateway in a process control environment supporting a wireless communication protocol
CN101963793A (en) * 2009-07-24 2011-02-02 北方工业大学 Two-section wireless type aluminum-tapping operating-precision control system for aluminum-electrolysis multifunctional crane
CN202004975U (en) * 2010-12-09 2011-10-05 贵阳铝镁设计研究院有限公司 Wireless sensor system of electrolysis multifunctional machine set

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