MTL 8507-BI-DP Profibus-DP Bus Interface Module

Technical Specifications

  • Communication Parameters
    • It complies with the Profibus – DP protocol based on the EN – 50170 standard and adopts the RS – 485 transmission standard.
    • It supports multiple transmission rates including 9.6 kbaud, 19.2 kbaud, 93.75 kbaud, 187.5 kbaud, 500 kbaud, 1.5 mbaud, 6 mbaud and 12 mbaud.
    • The maximum length of the bus segment varies with the transmission rate, and it can reach 1200 meters when the rate is 9.6 kbaud or 19.2 kbaud, and 100 meters when the rate is 6 mbaud or 12 mbaud.
  • Data Capacity
    • The maximum input data including a 2 – byte status word is 240 bytes, and the maximum output data including a 2 – byte control word is 240 bytes, with the total maximum data of input and output reaching 480 bytes.
    • It provides four options for diagnostic telegram lengths, which are 110 bytes, 61 bytes, 13 bytes and 29 bytes, among which 13 bytes is the default length.
Category:
Description
    • Power Supply and Isolation
      • The typical current of the 12V railbus is 420 mA, and the maximum current can reach 520 mA when the temperature is – 40°C.
      • The isolation voltage between Profibus, railbus and power supply is 500V, which can effectively isolate electrical noise and transient overvoltage.
    • Mechanical and Environmental Specifications
      • Its overall dimensions are 178 mm in width, 170 mm in depth and 68 mm in height, with an approximate weight of 450 grams.
      • It supports flat panel mounting with two fasteners or DIN rail mounting for convenient installation.
      • The operating temperature range is from – 40°C to 85°C, and the circuit board is made of epoxy woven glass laminate, which can adapt to harsh industrial environmental conditions.
  1. Functional Features
    • High – speed and Stable Data Transmission
      • It supports a maximum transmission rate of 12 mbaud, which enables the host station to quickly respond to changes in on – site process conditions. This high – speed data transmission capability ensures the real – time performance of industrial control and meets the requirements of real – time monitoring and control in industrial production.
    • Redundant Operation Support
      • It must be used with the 8701 – CA – BI redundant bus interface module carrier. For key application scenarios, redundant modules can be configured. The two modules in the redundant pair operate in parallel and continuously check each other’s status, so that the standby module can immediately take over the work when the main module fails, ensuring the uninterrupted operation of the system.
    • Comprehensive Diagnostic and Fault Protection
      • It supports Profibus extended diagnostics to provide module and channel status information, helping maintenance personnel quickly grasp the operation status of the equipment. When a software failure occurs, the connected modules will switch to a safe state to avoid safety hazards or major losses caused by equipment malfunctions.
    • Convenient Configuration and Expansion
      • It is configured through the Profibus host station using a GSD file. The configuration process can add modules one by one according to the actual needs, and the configuration file can be automatically retransmitted after the system restarts. It can support up to 24 I/O modules, which provides sufficient expansion space for the expansion of the industrial control system.
    • HART Signal Pass – through
      • It has HART pass – through support, which allows maintenance personnel to monitor and configure HART devices connected to the system without disconnecting the main control loop, greatly facilitating the debugging and maintenance of intelligent instruments in the system.
  2. Application Scenarios
    • Petrochemical and Offshore Installations
      • It is widely used in offshore oil platforms and petrochemical plants. It connects I/O modules that collect parameters such as pressure, temperature and flow in hazardous areas with Profibus – DP master stations. It ensures the safe and reliable transmission of data, and provides data support for the control of pumps, valves and other equipment, while its corrosion – resistant design adapts to the harsh marine and chemical environments.
    • Power Industry
      • It is integrated into power generation plants and substation automation systems. It connects I/O modules that monitor electrical parameters such as current, voltage and power with the central control system. It realizes the real – time collection and transmission of power operation data, which helps to stabilize the operation of power grids and improve the efficiency of power dispatch.
    • Metallurgical Industry
      • In steelmaking and non – ferrous metal smelting workshops, it is used to link the I/O modules of on – site temperature sensors, pressure transmitters and other equipment with the Profibus – DP master station. It transmits data such as smelting temperature and furnace pressure in real time, ensuring that the control system can adjust process parameters in a timely manner and guarantee the quality of metal products.
    • Water Treatment Industry
      • It is applied to distributed data acquisition systems in water treatment plants. It connects I/O modules connected to water level, turbidity and chemical concentration sensors with the central control system. It realizes the monitoring of the whole process of water purification and sewage treatment, and ensures the stable operation of water treatment processes.
    • General Industrial Automation Systems
      • It is used in food and beverage, automobile manufacturing and other general industrial fields. It is integrated into SCADA systems to build distributed control networks. It connects various on – site detection and execution equipment with the master station, realizes centralized monitoring and decentralized control of the production process, and improves production efficiency and product quality stability.
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