CN104639875A - Video matrix control method by using MOXA controller - Google Patents

Video matrix control method by using MOXA controller Download PDF

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Publication number
CN104639875A
CN104639875A CN201310544303.5A CN201310544303A CN104639875A CN 104639875 A CN104639875 A CN 104639875A CN 201310544303 A CN201310544303 A CN 201310544303A CN 104639875 A CN104639875 A CN 104639875A
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CN
China
Prior art keywords
controller
moxa
video matrix
protocol
control method
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Pending
Application number
CN201310544303.5A
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Chinese (zh)
Inventor
蓝飞翔
王春华
刘惟锦
樊龙
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China Changfeng Science Technology Industry Group Corp
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China Changfeng Science Technology Industry Group Corp
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Application filed by China Changfeng Science Technology Industry Group Corp filed Critical China Changfeng Science Technology Industry Group Corp
Priority to CN201310544303.5A priority Critical patent/CN104639875A/en
Publication of CN104639875A publication Critical patent/CN104639875A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a video matrix control method by using an MOXA controller. The MOXA controller is added between an upper-layer network system and a video matrix; communication between a video matrix device and the MOXA controller adopts an RS-232/RS-485-based industrial control protocol; the controller is connected into an upper-layer Ethernet via a TCP/IP protocol; a video matrix COM interface is connected with the MOXA controller, the two have consistent baud rates and device addresses are consistent with those in a command in the case of connection; after connection is completed, the MOXA controller is configured; a specific serial port protocol and a network protocol are set via the network; serial port parameters such as the baud rate, a data bit, a stop bit and a verification mode are set; and the network protocol in need of conversion is configured.

Description

A kind of video matrix control method utilizing moxa controller
Technical field
The invention belongs to technical field of video monitoring, be specifically related to a kind of control method of video monitoring matrix.
Background technology
Currently marketed video matrix is mainly divided into analog video matrix and digital video matrix, and for analog video matrix, its control system is very ripe at present, major defect is not by TCP/IP network control, but all possess serial communication interface, support as RS485, RS232 agreement.For digital video matrix, although be equipped with the TCP/IP webserver, digital video matrix is complex structure often, and bulky is with high costs.And for video monitoring system (platform), usually all need to possess the function with video matrix Control on Communication.But video monitoring system does not often possess the function of serial communication, but support TCP/IP procotol, therefore need independent matrix controller, solve the control protocol docking Problems existing of analog video matrix and video monitoring system.
Summary of the invention
The object of the invention is to propose a kind of video matrix method based on MOXA controller, thus solve to analog video matrix not by the problem that computer network (can be private network, intemet, local area network (LAN) etc. at a high speed) controls,
Technical scheme of the present invention is as follows:
A kind of video matrix control method utilizing moxa controller, it is characterized in that: between upper layer network system and video matrix, increase MOXA controller, communication between video matrix equipment and MOXA controller adopts the industrial control protocols based on RS-232/RS-485, and controller is by the Ethernet on ICP/IP protocol access upper strata.
In said method, video matrix com interface is connected with MOXA controller, make during connection that the two baud rate is consistent, consistent with order of device address, after having connected, MOXA controller is configured, arrange concrete serial port protocol and procotol by network, arrange serial ports parameter and comprise baud rate, data bit, position of rest, verification mode etc., configuration simultaneously needs the procotol of conversion.
In said method, for the communication of host computer client and MOXA controller, guarantee that host computer and MOXA controller are in the same network segment; Corresponding instruction is sent to MOXA controller according to the demand of user by host computer, instruction transformation is that serial port protocol transfers to video matrix by MOXA controller, response is returned to MOXA controller by serial ports by video matrix, and MOXA controller conversion serial port protocol is to upper passenger family end.
The present invention proposes a kind of video matrix method based on MOXA controller, MOXA controller is increased between host computer and video matrix, host computer client can be realized by this MOXA controller to control video matrix, thus solve analog video matrix not by problem that computer network (can be at a high speed private network, intemet, local area network (LAN) etc.) controls, realize the communication Protocol Conversion of serial ports end agreement and upper layer network system, complete the mutual of data and store.
Due to reliability, low cost, the good compatibility of MOXA product height, can be connected together by the various video matrix products of the difference in functionality of compatible different video matrix manufacturer production, different communications protocol, upper layer network system and the conversion with serial ports end agreement is completed by MOXA controller, data are transmitted in a computer network, realizes the real-time control of host computer client to remote, efficient, the fast and reliable of matrix.
Accompanying drawing explanation
Fig. 1 is the matrix majorization flow chart based on MOXA controller
Embodiment
Based on MOXA controller video matrix control flow as shown in Figure 1.
MOXA controller is increased between upper layer network system and video matrix, communication between the video matrix equipment of lower floor and MOXA controller adopts based on industrial control protocols such as RS-232/RS-485, and controller is again by the Ethernet on ICP/IP protocol access upper strata.By this scheme, first can use network insertion MOXA controller, then utilize the serial port protocols such as RS-485/RS-232 to expand on each video matrix equipment.
The control major function of video matrix is by the Signal transmissions on any road of signal source equipment to arbitrary road display terminal, and can accomplish the synchronism switching of Voice & Video, and for each manufacturer analog matrix, matrix video and audio handoff protocol is serial port protocol.ICP/IP protocol supported by MOXA controller, comprise AREIP, ICMR, UDP, TCP, IP, ARP, http protocol, reliable and stablely fast the data that serial ports receives can be converted to IP report to be transmitted by LAN/WAN, also the data that network interface card receives can be converted to RS485 to transmit, network Web/Telnet/ director port can be passed through simultaneously and be configured.
Video matrix com interface is connected with MOXA controller, need determine during connection that the two baud rate is consistent, device address with in order consistent, confirm that School Affairs byte does not fall to, determine that Serial Port Line is direct-connected simultaneously, namely second for the second pin, and the 3rd for the 3rd pin.After having connected, be configured MOXA controller, can arrange concrete serial port protocol and procotol by network, arrange serial ports parameter and comprise: baud rate, data bit, position of rest, verification mode etc., configuration simultaneously needs the procotol of conversion.
For the communication of host computer client and MOXA controller, guarantee that host computer and MOXA controller are in the same network segment, corresponding instruction is sent to MOXA controller according to the demand of user by host computer, instruction transformation is that serial port protocol transfers to video matrix by MOXA controller, response is returned to MOXA controller by serial ports by video matrix, MOXA controller conversion serial port protocol, to upper passenger family end, just completes the data interaction of a host computer client and video matrix.
When user wants to control video matrix, first the option needing to control is selected by host computer client, after input, the operational order of user is sent to MOXA controller according to the procotol defined by client, the communications protocol parameter that MOXA controller can be selected according to user, be converted to control command and be sent to matrix host computer by Communication Control port, after video matrix receives control command, analyze the data received, thus complete the control of matrix.

Claims (3)

1. one kind utilizes the video matrix control method of moxa controller, it is characterized in that: between upper layer network system and video matrix, increase MOXA controller, communication between video matrix equipment and MOXA controller adopts the industrial control protocols based on RS-232/RS-485, and controller is by the Ethernet on ICP/IP protocol access upper strata.
2. the video matrix control method utilizing moxa controller according to claim 1, it is characterized in that: video matrix com interface is connected with MOXA controller, make during connection that the two baud rate is consistent, consistent with order of device address, after having connected, MOXA controller is configured, arrange concrete serial port protocol and procotol by network, arrange serial ports parameter and comprise baud rate, data bit, position of rest, verification mode etc., configuration simultaneously needs the procotol of conversion.
3. the video matrix control method utilizing moxa controller according to claim 1, is characterized in that: for the communication of host computer client and MOXA controller, guarantee that host computer and MOXA controller are in the same network segment; Corresponding instruction is sent to MOXA controller according to the demand of user by host computer, instruction transformation is that serial port protocol transfers to video matrix by MOXA controller, response is returned to MOXA controller by serial ports by video matrix, and MOXA controller conversion serial port protocol is to upper passenger family end.
CN201310544303.5A 2013-11-06 2013-11-06 Video matrix control method by using MOXA controller Pending CN104639875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310544303.5A CN104639875A (en) 2013-11-06 2013-11-06 Video matrix control method by using MOXA controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310544303.5A CN104639875A (en) 2013-11-06 2013-11-06 Video matrix control method by using MOXA controller

Publications (1)

Publication Number Publication Date
CN104639875A true CN104639875A (en) 2015-05-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105704206A (en) * 2015-12-31 2016-06-22 西安诺瓦电子科技有限公司 Implementation method for performing Ethernet communication with LED display control card

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CN101344437A (en) * 2008-09-03 2009-01-14 中国科学院国家天文台南京天文光学技术研究所 High-precision strong anti-interference temperature measurement system and method
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CN102685434A (en) * 2011-03-18 2012-09-19 新奥特(北京)视频技术有限公司 Method and system for controlling videotape recorders (VTRs) and based on Moxa serial port card

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Publication number Priority date Publication date Assignee Title
CN101344437A (en) * 2008-09-03 2009-01-14 中国科学院国家天文台南京天文光学技术研究所 High-precision strong anti-interference temperature measurement system and method
CN101707698A (en) * 2009-11-06 2010-05-12 中兴通讯股份有限公司 Video monitoring system and control method thereof
CN102685434A (en) * 2011-03-18 2012-09-19 新奥特(北京)视频技术有限公司 Method and system for controlling videotape recorders (VTRs) and based on Moxa serial port card

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105704206A (en) * 2015-12-31 2016-06-22 西安诺瓦电子科技有限公司 Implementation method for performing Ethernet communication with LED display control card
CN105704206B (en) * 2015-12-31 2019-01-18 西安诺瓦电子科技有限公司 The implementation method of ethernet communication is carried out with LED display control card

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