485屏蔽線怎么接地（485線屏蔽層）怎么可以錯過!

目錄：

1.485屏蔽線接法

2.485線屏蔽層如何處理

3.485總線屏蔽線需要接地嗎?

4.485屏蔽電纜

5.485的地線和屏蔽層的地線區別

6.rs485屏蔽層怎么接地

7.rs485屏蔽線都要接嗎?

8.485的屏蔽線接在哪里

9.485的屏蔽線

10.485屏蔽線單端接地

1.485屏蔽線接法

多功能儀表接線說明Acrel Multi-function Meter Wiring Instruction安科瑞 崔遠航

2.485線屏蔽層如何處理

三相三線圖Three-phase three-wire diagram1、端子數目1和2為輔助電源: 如上圖所示，連接相電壓220v 輸入輔助電源的火線裝有5A 熔斷器，中性線直接連接到零線銅條上。

3.485總線屏蔽線需要接地嗎?

Terminal numbers 1 and 2 are auxiliary power supp*: as shown in the figure above, connect the phase voltage 220V input. Among them, the fire wire of the auxiliary power supp* is installed 5A fuse, the neutral wire is direct* connected to the zero line copper bar.

4.485屏蔽電纜

2、電壓接線:在三相三線的情況下，電壓信號端子以V型接線方式連接，11連接到A相電壓，12連接到B相電壓，13連接到C電壓，14連接到B相電壓，電壓線為1.5平方BVR多芯硬線，帶電線連接到儀表他們之間需要安裝一個5A保險絲。

5.485的地線和屏蔽層的地線區別

Voltage wiring:In the case of three-phase three-wire, the voltage signal terminals are connected in V-shaped wiring mode, 11 is connected to A-phase voltage, 12 is connected to B-phase voltage, 13 is connected to C voltage and 14 is connected to B-phase voltage ; the voltage wire is a 1.5 square BVR multi-core hard wire, and the live wire is connected to the meter. A 5A fuse needs to be installed between them.

6.rs485屏蔽層怎么接地

3、電流接線:在三相三線的情況下，電流信號端子連接成V形，變壓器的一次電流從P1側流向 P2側; 互感器的輸出 S1連接到第4端子，S2連接到第5端子，C互感器S1連接到第8端子，S2連接到9個端子，其中帶 * 的端子連接到變壓器的 S1端子，電流采用2.5平方BVR多芯硬線。

7.rs485屏蔽線都要接嗎?

Current wiring:In the case of three-phase three-wire, the current signal terminals are connected in a V-shape, and the primary current of the transformer flows from the P1 side to the P2 side ; the output S1 of the A mutual inductor is connected to the 4th terminal, S2 is connected to the 5th terminal, the C mutual inductor S1 is connected to the 8th terminal, and S2 Connect to 9 terminals, of which the terminal with * corresponds to the S1 terminal of the transformer ; the current wire uses a 2.5 square BVR multi-core hard wire.

8.485的屏蔽線接在哪里

4、通信終端:RS485 (A+, B-) A 連接到端口21，B連接到端口22，使用RVSP2*1.0平方芯雙絞線屏蔽柔性導線Communication terminals: RS485 (A+, B-) A is connected to port 21, B is connected to port 22, use RVSP2*1.0 square Core twisted pair shielded flexible wire.。

9.485的屏蔽線

5、要按照說明接線，錯誤的接線會導致測量不準確儀表的側面標簽上有接線圖Be sure to wire according to the instructions, wrong connection will lead to inaccurate measurement. There are wiring diagrams on the side labels of the meter.。

10.485屏蔽線單端接地

三相四線圖Three-phase four-wire diagram1、端子數目1和2為輔助電源: 如上圖所示，連接相電壓220V輸入輔助電源裝有5A保險絲，連接到零排中性線的火線是直接Terminal numbers 1 and 2 are auxiliary power supp*: as shown in the figure 。

above, connect the phase voltage 220V input. auxiliary power supp* is installed 5A fuse, connected to the zero row.

2、電壓接線:在三相四線制情況下，電壓信號端子以Y型接線方式連接，分別對應于11相電壓、12相電壓、13至C電壓和14至N線; 電壓線采用1.5平方BVR多芯硬線，通電線與儀表之間應安裝5A熔斷器Voltage wiring:。

In the case of three-phase four-wire, the voltage signal terminals are connected in a Y-shaped wiring mode, respective* corresponding to 11 connected to A-phase voltage, 12 to B-phase voltage, 13 to C voltage and 14 to N line; the voltage line uses a 1.5 square BVR multi-core hard wire , a 5A fuse should be installed between the live wire and the meter.

3、電流接線: 在三相三線的情況下，電流信號端子連接成V形，變壓器的一次電流從P1側流向P2側; 互感器的輸出S1連接到第4端子，S2連接到第5端子，C互感器 s1連接到第8端子，S2連接到9個端子，其中帶 * 的端子連接到變壓器的S1端子，電流采用2.5平方BVR多芯硬線。

Current wiring:In the case of three-phase three-wire, the current signal terminals areconnected in a V-shape, and the primary current of the transformer flows from the P1 side to the P2 side; the output S1 of the A mutual inductor is connected to the 4th terminal, S2 is connected to the 5th terminal, the C mutual inductor S1 is connected to the 8th terminal, and S2 Connect to 9 terminals, of which the terminal with * corresponds to the S1 terminal of the transformer ; the current wire uses a 2.5 square BVR multi-core hard wire.

4、通信終端:RS485 (A+, B-) A 連接到端口21，B連接到端口22，使用 RVSP2*1.0平方多核雙絞線屏蔽軟線Communication terminals: RS485 (A+, B-) A is connected to port 21, B is connected to port 22, use RVSP2*1.0 square multi-core twisted pair shielded flexible wire.。

5、要按照說明接線，錯誤的接線會導致測量不準確儀表的側面標簽上有接線圖Be sure to wire according to the instructions, wrong connection will lead to inaccurate measurement. There are wiring diagrams on the side labels of the meter.。