7. Appendix A: Technical Characteristics
Specific DeviceNet | • The LUFP9 gateway is a “group two only server” DeviceNet subscriber (cf. | |||||||||||
features of the LUFP9 | DeviceNet Specifications). |
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gateway | • Fragmentation support for transactions requiring more than 8 bytes of data. |
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| • Connections supported: | 1 “Explicit Connection” |
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| 1 “Polled Command/Response” connection |
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| 1 “Bit Strobed Command/Response” connection |
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| 1 |
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| • Communication speed configured using 2 selector switches. |
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| • Gateway’s DeviceNet address (Mac ID) configured using 6 selector switches | |||||||||||
| (address between 0 and 63). |
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| • Configuration facilitated by the use of a specific EDS file. |
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Modbus RTU | • Physical media: RS485 serial link |
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characteristics | • Network topology: Multipoint linear topology with adapted line terminations | |||||||||||
| (impedance of 120 Ω in parallel with a capacity of 1 nF) |
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| • Communication speed: 1,200 to 57,600 kbits/s |
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| • Data bits: 8 |
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| • Subscriber | addresses: | 1 | to | 247. | Address 0 | reserved | for | ||||
| broadcasting. Addresses 65, 126 and 127 reserved if drives and/or starters from | |||||||||||
| Schneider Electric are used on the same Modbus network. |
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| • Period of silence: Equivalent to the transmission of 3.5 characters. |
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Specific Modbus RTU | • Maximum number of subscribers (excluding gateway): 8 Modbus slaves. |
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features of the LUFP9 | • Maximum number of commands configured: Up to 50 Modbus queries and | |||||||||||
gateway | responses configured for the same gateway using AbcConf. |
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| • Communication speed: 1,200, 2,400, 4,800, 9,600, or 19,200 bits/s, configured | |||||||||||
| using AbcConf. |
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| • Period of silence: Possibility of increasing the gateway’s period of silence, in | |||||||||||
| 10 ms steps, using AbcConf. |
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| • Parity: None, even or uneven, configured using AbcConf. |
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| • Start bits: 1 bit, configuration using AbcConf. |
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| • Stop bits: 1 or 2 bits, configuration using AbcConf. |
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Structure of the | • 2 bytes for the diagnostics of errors on the downstream network by the gateway | |||||||||||
LUFP9 gateway’s memory: | (see chapter 5 Gateway Initialization and Diagnostics, page 33). |
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| • 510 bytes accessible by the DeviceNet master in the form of input data (see | |||||||||||
Inputs | chapter 8.2.1 | Input | Data | Memory | Area, | page 84, for the | default use of | this | ||||
| input data). |
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| Addresses |
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| Input data area |
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| 16#0000 |
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| Gateway status word |
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| 16#0001 |
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| (unless “Control/Status Byte” = “Disabled”) |
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| 16#0002 |
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| Inputs accessible through the DeviceNet master |
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| : |
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| 510 bytes |
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| 16#01FF |
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| 1 input data area |
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81
