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| ==General information== | | ==General information== |
| + | {{#ifeq:{{{series}}}|TRB14X| |
| + | ==RS485 connector pinout== |
| | | |
| + | Below is a depiction of the RS485 connector pins: |
| + | |
| + | {| class="wikitable" style="border: 1px solid black; background: white" |
| + | |+ |
| + | | style="border: 1px solid black; width: 250px" colspan="3" | <span style=color:#104996>'''RS485 connector pinout'''</span> |
| + | | style="border: 1px solid white; border-left: 1px solid black; " rowspan="7" | [[File:{{{file_rs485_pinout}}}|130px|right|bottom]] |
| + | |- |
| + | | style="border: 1px solid black;" | Pin |
| + | | style="border: 1px solid black;" | Name |
| + | | style="border: 1px solid black;" | Description |
| + | |- |
| + | | style="border: 1px solid black;" | 1 |
| + | | style="border: 1px solid black;" | D_N |
| + | | style="border: 1px solid black;" | Driver negative signal |
| + | |- |
| + | | style="border: 1px solid black;" | 2 |
| + | | style="border: 1px solid black;" | R_N |
| + | | style="border: 1px solid black;" | Receiver negative signal |
| + | |- |
| + | | style="border: 1px solid black;" | 3 |
| + | | style="border: 1px solid black;" | GND |
| + | | style="border: 1px solid black;" | Device ground |
| + | |- |
| + | | style="border: 1px solid black;" | 4 |
| + | | style="border: 1px solid black;" | D_P |
| + | | style="border: 1px solid black;" | Driver positive signal |
| + | |- |
| + | | style="border: 1px solid black;" | 5 |
| + | | style="border: 1px solid black;" | R_P |
| + | | style="border: 1px solid black;" | Receiver positive signal |
| + | |- |
| + | | style="border: 1px solid black;" | 6 |
| + | | style="border: 1px solid black;" | Vin |
| + | | style="border: 1px solid black;" | Power input 9-30 VDC |
| + | | style="border: 1px solid white; border-left: 1px solid black; width: 250px" colspan="1" | <span style=color:white>filler text</span> |
| + | |- |
| + | |} |
| + | |
| + | ==Cable Type== |
| + | |
| + | Recommended cable parameters: |
| + | |
| + | <table class="nd-othertables"> |
| + | <tr> |
| + | <th style="width: 300px">PARAMETER</th> |
| + | <th style="width: 850px">VALUE</th> |
| + | </tr> |
| + | <tr> |
| + | <td>Cable Type</td> |
| + | <td>22-24 AWG, 2 – pair (used for full-duplex networks ) or 1-pair (used for half duplex networks). One addtitional wire for ground connection is needed</td> |
| + | </tr> |
| + | <tr> |
| + | <td>Characteristic cable Impedance</td> |
| + | <td>120 Ω @ 1MHz</td> |
| + | </tr> |
| + | <tr> |
| + | <td>Capacitance (conductor to conductor)</td> |
| + | <td>36 pF/m</td> |
| + | </tr> |
| + | <tr> |
| + | <td>Propagation Velocity</td> |
| + | <td>78% (1.3 ns/ft)</td> |
| + | </tr> |
| + | </table>|}} |
| ===Maximum data rate vs. transmission line length=== | | ===Maximum data rate vs. transmission line length=== |
| ---- | | ---- |