10. GlossaryVlinx MESR9xx Modbus Gateway
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| Term | Definition |
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| ADU | Application Data Unit |
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| ASCII | American Standard Code for Information Interchange |
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| Baud Rate | Number of bits per second |
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| CRC | Cyclical Redundancy Checking |
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| Data Bits | Number of bits per byte, normally 7 with Modbus ASCII, and 8 with | ||
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| Modbus RTU |
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| DHCP | Dynamic Host Configuration Protocol |
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| EIR203 | B&B’s 3 port Ethernet switch |
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| Flexport | B&B term for Ethernet port capable of quick stuff/no stuff option for copper, | ||
| single mode fiber of various distance and connector type, or |
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| of various connector type |
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| Flow Control | The process of managing the rate of data transmission between two nodes. |
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| Function Code | A code field that tells the Gateway what kind of action to perform |
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| Modbus | A bridge to get from Modbus TCP to Modbus Serial |
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| Gateway |
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| GUI | Graphical User Interface |
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| IP | Internet Protocol |
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| IPv4 | Internet Protocol version 4 |
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| LED | Light emitting diode. Used as a visual indicator |
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| MBAP | MODBUS Application Protocol |
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| MEI | Multi Electrical Interface via |
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| MES1A | B&B’s Ethernet Modbus gateway, |
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| MES1B | B&B’s Ethernet Modbus gateway, |
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| MESR922T | B&B’s Ethernet Modbus gateway, Dual Ethernet ports, Dual serial ports | ||
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| with MIE and terminal blocks |
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| Modbus | A request/reply protocol and offers services specified by function codes. |
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Page 56 | Manual Documentation Number |
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