CN214380908U - Anti-interference DP network system of continuous casting machine - Google Patents
Anti-interference DP network system of continuous casting machine Download PDFInfo
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- CN214380908U CN214380908U CN202120521537.8U CN202120521537U CN214380908U CN 214380908 U CN214380908 U CN 214380908U CN 202120521537 U CN202120521537 U CN 202120521537U CN 214380908 U CN214380908 U CN 214380908U
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Abstract
The utility model discloses an anti-interference conticaster DP network system, including the master station, the slave station unit, master station and slave station between be connected through OLM electricity, series mode interconnect forms the optic fibre looped netowrk between OLM and the OLM, be connected through the optic fibre port between OLM and the OLM, every slave station unit is connected with an OLM electricity in the optic fibre looped netowrk, the slave station unit is equipped with vibration converter slave station unit, converter slave station unit before cutting, draw and correct converter slave station unit, master control room operation panel slave station unit, draw the speed and hang case slave station unit and ejection operation panel slave station unit, be connected with DP net twine and DP terminal between every slave station unit and the OLM. The utility model discloses a network system can reduce the quantity of relay station in the communication line, has improved communication quality, does not receive electromagnetic interference, greatly reduced the DP circuit communication fault, improved system stability.
Description
Technical Field
The utility model relates to a conticaster is exactly an anti-interference conticaster DP network system.
Background
PROFIBUS is an open digital communication system with a wide application range, and is a major breakthrough in the aspect of transferring a centralized automation system to a decentralized automation system. The PROFIBUS-DP communication occupies a very important position in industrial control, and a network plug is connected through a PROFIBUS cable to form a bus type network structure. The bus has the characteristics of suitability for quick application with strict time requirement and complex communication tasks, becomes the only field bus capable of comprehensively covering factory automation and process automation application, and is particularly suitable for the fields of factory automation and process automation.
The PROFIBUS-DP connected system consists of a master station and a slave station. The slave stations are simple peripheral devices, and the typical slave stations are sensors, actuators and transmitters which have no bus control right and only give answers to received information or send back corresponding information to the master station when the master station sends a request. The essence of the PROFIBUS network communication is RS485 serial port communication, and due to the complex field construction conditions, potential hazards, especially unknown electrical interference, may exist in field bus communication of many projects, and if the communication failure cannot be found and processed in time, the communication failure of the system may occur, thereby affecting the normal operation of the whole system.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an anti-interference conticaster DP network system, this system is used for making steel under the regional environment complicacy of continuous casting, the high electromagnetic interference environment DP network stability promote.
In order to solve the above technical problem, the utility model discloses a following technical means:
the utility model provides an anti-interference conticaster DP network system, includes main website, slave station unit, main website and slave station between be connected through OLM electricity, the mode interconnect that concatenates forms the optic fibre looped netowrk between OLM and the OLM, connect through the optic fibre port between OLM and the OLM, every slave station unit is connected with an OLM electricity in the optic fibre looped netowrk, the slave station unit is equipped with vibration converter slave station unit, cut preceding converter slave station unit, draw and rectify converter slave station unit, master control room operation panel slave station unit, draw speed and hang case slave station unit and play base operation panel slave station unit, be connected with DP net twine and DP terminal head between every slave station unit and the OLM.
The utility model discloses a network system for DP network stability promotes under the regional environment complicacy of steelmaking continuous casting, high electromagnetic interference environment, adopts OLM and optical fiber transmission, and the loss of optic fibre is extremely low, can reduce the quantity of relay station in the communication line, has improved communication quality, and optic fibre is non-metallic medium material, uses optic fibre as the conducting medium, does not receive electromagnetic interference, greatly reduced the communication trouble appear in the DP circuit, improved system stability.
The further preferred technical scheme is as follows:
the OLM is connected with the optical fiber through a jumper wire and an optical fiber terminal box.
All OLMs and optical fibers are connected with the optical fiber terminal box through jumper wires, the phenomena of laying outside a frame, flying wires and the like are strictly prohibited in construction, and the jumper fibers are bound after being arranged according to specific conditions on site.
The optical fiber is a multimode optical fiber.
The multimode optical fiber allows light of different modes to be transmitted on one optical fiber, and signal transmission is facilitated.
The terminal resistance switch of the plug of the DP terminal is arranged at the position of 'ON'; the plug of the intermediate station should have its terminating resistance switch placed in the "OFF" position.
The terminal resistor is used for consuming the residual communication power and preventing the information from interfering with the subsequent information.
The OLM models are all 6GK1503-3CB 00.
The optical fiber connector with 1 RS-485 and 2 glass optical fiber interfaces (4 BFOC-sockets) is used for standard distance up to 2850m, comprises an alarm contact and measurement output, and can better meet the requirement.
Drawings
Fig. 1 is a schematic diagram of the network connection of the present invention.
Fig. 2 is an OLM connection diagram.
Description of reference numerals: 1-OLM; 2-S7-300 master station; 3-a substation of a master control room operation platform; 4-pulling the suspension box substation; 5-a substation of a knockout operating platform; plug of 6-DP network terminal.
Detailed Description
The present invention will be further described with reference to the following examples.
Referring to fig. 1 and 2, the utility model discloses an anti-interference DP network system of a continuous casting machine, which comprises a master station and slave station units; the main station is electrically connected with the slave stations through an OLM (optical line module), the OLM and the OLM are connected in series to form an optical fiber ring network, the OLM and the OLM are connected through an optical fiber port, each slave station unit is electrically connected with one OLM in the optical fiber ring network, each substation unit is provided with a vibration frequency converter substation unit, a pre-cutting frequency converter substation unit, a pulling and straightening frequency converter substation unit, a main control room operating platform substation unit, a pulling speed suspension box substation unit and a blank discharging operating platform substation unit, and each substation unit is connected with the OLM through a DP (data processing) network wire and a DP terminal.
The OLM is connected to the optical fiber via a jumper and a fiber termination box.
All OLMs and optical fibers are connected with the optical fiber terminal box through jumper wires, the phenomena of laying outside a frame, flying wires and the like are strictly prohibited in construction, and the jumper fibers are bound after being arranged according to specific conditions on site.
The optical fiber is a multimode optical fiber.
The multimode optical fiber allows light of different modes to be transmitted on one optical fiber, and signal transmission is facilitated.
The plug of the DP network terminal, whose terminal resistance switch must be put in the "ON" position; the plug of the intermediate station should have its terminating resistance switch placed in the "OFF" position.
The terminal resistor is used for consuming the residual communication power and preventing the information from interfering with the subsequent information.
The OLM model is 6GK1503-3CB00, and the OLM is provided with 1 RS-485 and 2 glass optical fiber interfaces (4 BFOC-sockets) for standard distance up to 2850m, comprises an alarm contact and measurement output, and can better meet the requirement. As shown in fig. 2, OLM is abbreviated as "Optical Link Module", and translated chinese is "fiber Link Module". The Profibus field bus mostly uses RS485 for serial port communication, but sometimes a cable can be converted into optical cable communication, and the OLM is one such device, and the topological structure of the device is generally a point-to-point, star, bus type and redundant optical fiber ring network. The OLM is very convenient to use, does not require more settings, and if there is no special situation, almost no setting is required, and the default state can be used directly. The port of CH1 is connected with the port of DP, the incoming line of CH2 optical fiber and the outgoing line of CH3 optical fiber.
The utility model discloses a network system for DP network stability promotes under the regional environment complicacy of steelmaking continuous casting, high electromagnetic interference environment, adopts OLM and optical fiber transmission, and the loss of optic fibre is extremely low, can reduce the quantity of relay station in the communication line, has improved communication quality, and optic fibre is non-metallic medium material, uses optic fibre as the conducting medium, does not receive electromagnetic interference, greatly reduced the communication trouble appear in the DP circuit, improved system stability.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (5)
1. The utility model provides an anti-interference conticaster DP network system, includes the master station, from the station unit, its characterized in that: the main station is electrically connected with the slave stations through the OLM, the OLM and the OLM are connected in series to form an optical fiber ring network, the OLM and the OLM are connected through an optical fiber port, each slave station unit is electrically connected with one OLM in the optical fiber ring network, each slave station unit is provided with a vibration frequency converter slave station unit, a pre-cutting frequency converter slave station unit, a pulling and straightening frequency converter slave station unit, a main control room operation station slave station unit, a pulling and straightening suspension box slave station unit and a blank discharging operation station slave station unit, and each slave station unit is connected with the OLM through a DP network wire and a DP terminal head.
2. The tamper resistant continuous caster DP network system of claim 1, wherein: the OLM is connected with the optical fiber through a jumper wire and an optical fiber terminal box.
3. The tamper resistant continuous caster DP network system of claim 1, wherein: the optical fiber is a multimode optical fiber.
4. The tamper resistant continuous caster DP network system of claim 1, wherein: the terminal resistance switch of the plug of the DP terminal is arranged at the position of 'ON'; the plug of the intermediate station should have its terminating resistance switch placed in the "OFF" position.
5. The tamper resistant continuous caster DP network system of claim 1, wherein: the OLM models are all 6GK1503-3CB 00.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120521537.8U CN214380908U (en) | 2021-03-12 | 2021-03-12 | Anti-interference DP network system of continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120521537.8U CN214380908U (en) | 2021-03-12 | 2021-03-12 | Anti-interference DP network system of continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380908U true CN214380908U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120521537.8U Active CN214380908U (en) | 2021-03-12 | 2021-03-12 | Anti-interference DP network system of continuous casting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN214380908U (en) |
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2021
- 2021-03-12 CN CN202120521537.8U patent/CN214380908U/en active Active
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