| RS485型 現場數據總線電纜生產廠家 |
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RS485技術參數
執(zhí)行標準: GB/T16657.2-2008 GB/T19666-2005
特性阻抗:120±15Ω
z.ui小彎曲半徑:≥電纜外徑 15 倍
工作溫度:-40℃至 70℃
RS485產品應用
本產品適用于交流額定電壓 300V 及以下照明、電動工具等所須的電源,還能同時傳輸各種控制信號 , 直流電壓 1000V 及 以下傳輸音頻信號,以及固定敷設的鐵路信號和某些自動裝置用傳輸控制線路。
RS485使用特性
1.標稱特性阻抗: 120Ω
2.1kHz 時的標稱電容 ( 導體 - 導體 ): 42nF/km
3.1kHz 時的標稱電容 ( 導體 - 導體 & 屏蔽 ) : 75.5nF/km
4.20℃時導體的直流電阻: ≤ 90.9Ω/km
5. 標稱傳播速度: 66%
6. 標稱延遲時間: 5.25ns/m
7.1MHz 時的標稱衰減: 19.7dB/km
8. z.ui大工作電壓: 300V
9. 推薦z.ui大工作電流: 2.1A (@25℃ )
| RS485現場數據總線電纜 | |||||
| 型號 | 電纜選型表 | ||||
| RS485 | 1*2*0.2 | 5*2*2.5 | 10*2*1.5 | 3*3*1.0 | 8*3*0.75 |
| RS485 | 1*2*0.3 | 6*2*0.2 | 10*2*2.5 | 3*3*1.5 | 8*3*1.0 |
| RS485 | 1*2*0.5 | 6*2*0.3 | 11*2*0.2 | 3*3*2.5 | 8*3*1.5 |
| RS485 | 1*2*0.75 | 6*2*0.5 | 11*2*0.3 | 4*3*0.2 | 8*3*2.5 |
| RS485 | 1*2*1.0 | 6*2*0.75 | 11*2*0.5 | 4*3*0.3 | 9*3*0.2 |
| RS485 | 1*2*1.5 | 6*2*1.0 | 11*2*0.75 | 4*3*0.5 | 9*3*0.3 |
| RS485 | 1*2*2.5 | 6*2*1.5 | 11*2*1.0 | 4*3*0.75 | 9*3*0.5 |
| RS485 | 2*2*0.2 | 6*2*2.5 | 11*2*1.5 | 4*3*1.0 | 9*3*0.75 |
| RS485 | 2*2*0.3 | 7*2*0.2 | 11*2*2.5 | 4*3*1.5 | 9*3*1.0 |
| RS485 | 2*2*0.5 | 7*2*0.3 | 12*2*0.2 | 4*3*2.5 | 9*3*1.5 |
| RS485 | 2*2*0.75 | 7*2*0.5 | 12*2*0.3 | 5*3*0.2 | 9*3*2.5 |
| RS485 | 2*2*1.0 | 7*2*0.75 | 12*2*0.5 | 5*3*0.3 | 10*3*0.2 |
| RS485 | 2*2*1.5 | 7*2*1.0 | 12*2*0.75 | 5*3*0.5 | 10*3*0.3 |
| RS485 | 2*2*2.5 | 7*2*1.5 | 12*2*1.0 | 5*3*0.75 | 10*3*0.5 |
| RS485 | 3*2*0.2 | 7*2*2.5 | 12*2*1.5 | 5*3*1.0 | 10*3*0.75 |
| RS485 | 3*2*0.3 | 8*2*0.2 | 12*2*2.5 | 5*3*1.5 | 10*3*1.0 |
| RS485 | 3*2*0.5 | 8*2*0.3 | 1*3*0.2 | 5*3*2.5 | 10*3*1.5 |
| RS485 | 3*2*0.75 | 8*2*0.5 | 1*3*0.3 | 6*3*0.2 | 10*3*2.5 |
| RS485 | 3*2*1.0 | 8*2*0.75 | 1*3*0.5 | 6*3*0.3 | 11*3*0.2 |
| RS485 | 3*2*1.5 | 8*2*1.0 | 1*3*0.75 | 6*3*0.5 | 11*3*0.3 |
| RS485 | 3*2*2.5 | 8*2*1.5 | 1*3*1.0 | 6*3*0.75 | 11*3*0.5 |
| RS485 | 4*2*0.2 | 8*2*2.5 | 1*3*1.5 | 6*3*1.0 | 11*3*0.75 |
| RS485 | 4*2*0.3 | 9*2*0.2 | 1*3*2.5 | 6*3*1.5 | 11*3*1.0 |
| RS485 | 4*2*0.5 | 9*2*0.3 | 2*3*0.2 | 6*3*2.5 | 11*3*1.5 |
| RS485 | 4*2*0.75 | 9*2*0.5 | 2*3*0.3 | 7*3*0.2 | 11*3*2.5 |
| RS485 | 4*2*1.0 | 9*2*0.75 | 2*3*0.5 | 7*3*0.3 | 12*3*0.2 |
| RS485 | 4*2*1.5 | 9*2*1.0 | 2*3*0.75 | 7*3*0.5 | 12*3*0.3 |
| RS485 | 4*2*2.5 | 9*2*1.5 | 2*3*1.0 | 7*3*0.75 | 12*3*0.5 |
| RS485 | 5*2*0.2 | 9*2*2.5 | 2*3*1.5 | 7*3*1.0 | 12*3*0.75 |
| RS485 | 5*2*0.3 | 10*2*0.2 | 2*3*2.5 | 7*3*1.5 | 12*3*1.0 |
| RS485 | 5*2*0.5 | 10*2*0.3 | 3*3*0.2 | 7*3*2.5 | 12*3*1.5 |
| RS485 | 5*2*0.75 | 10*2*0.5 | 3*3*0.3 | 8*3*0.2 | 12*3*2.5 |
| RS485 | 5*2*1.0 | 10*2*0.75 | 3*3*0.5 | 8*3*0.3 | 13*3*0.2 |
| RS485 | 5*2*1.5 | 10*2*1.0 | 3*3*0.75 | 8*3*0.5 | 13*3*0.3 |
相關內容:通訊電纜
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