產(chǎn)品內容介紹
1C31189G03熱電偶輸出模塊
配置交換機包B875–111可以配置為接受8個(gè)差分或16個(gè)單端輸入。當為8個(gè)差分輸入選擇時(shí)，該卡稱(chēng)為B875–111。當為16個(gè)單端輸入選擇，該卡稱(chēng)為B877–111。
此選擇由后部配置開(kāi)關(guān)組上的開(kāi)關(guān)7進(jìn)行模塊的。SW7在左側位置等于16個(gè)輸入，在右側位置等于等于8個(gè)輸入。除了選擇輸入數量外，您還可以選擇電壓范圍、輸出樣本的格式、極性、偏移量和數量。請參閱安裝說(shuō)明以及模塊左側的DIP開(kāi)關(guān)圖，以了解詳細信息。
對于快速啟動(dòng)設置，使用以下設置連接0至+10V輸入
信號對于以下輸入參數：0-10 V輸入0到滿(mǎn)刻度輸出格式一個(gè)樣本
八個(gè)差動(dòng)輸入按如下方式設置開(kāi)關(guān)設置：
SW1、SW3、SW5、SW7=右
SW2、SW4、SW6、SW8=左
輸入類(lèi)型選擇（電壓或當前）如果配置為B875（8個(gè)差動(dòng)輸入），則選擇電流輸入（4-20mA通過(guò)在正極電壓輸入和適當通道的電流輸入端子。請參閱下圖?，F場(chǎng)連接器跳線(xiàn)圖如果配置為B877（16個(gè)單端電流輸入），則通過(guò)以下方式選擇輸入類(lèi)型模塊左側的開(kāi)關(guān)。16個(gè)開(kāi)關(guān)各有一個(gè)輸入。該開(kāi)關(guān)在正輸入和模擬回路。不使用外部跳線(xiàn)，必須拆除。
左側位置等于電壓輸入，右側位置等于電流輸入。
開(kāi)關(guān)組4（左側）上的第五個(gè)開(kāi)關(guān)選擇兩個(gè)B875的電壓范圍和B877操作。此開(kāi)關(guān)必須與配置的開(kāi)關(guān)8相對應開(kāi)關(guān)組（模塊后部）。SW5的左側位置等于10伏右側位置等于5伏。SW8必須與SW5處于相同位置。
對于0-10V輸入信號示例，將所有輸入開(kāi)關(guān)設置為左側（向下或朝向數字）。
I/O映射如果設置為8個(gè)差分輸入，則模塊類(lèi)型為B875，需要8個(gè)連續3xxxx二進(jìn)制寄存器。如果設置為16個(gè)單端輸入，則模塊類(lèi)型為B877，需要16個(gè)連續的3xxxx二進(jìn)制寄存器。
導線(xiàn)輸入B875–111和B877–111需要高密度連接器，零件號AS–8535–000。請參閱模塊左側的引出線(xiàn)。請參閱以下內容插圖0-10 V輸入示例，圖。注：通電后，模塊的活動(dòng)指示燈快速閃爍，顯示已建立與可編程控制器的通信，但返回的輸入數據無(wú)效。（4000十六進(jìn)制發(fā)送至控制器）。模塊初始化完成時(shí)，以及正在傳輸有效的輸入數據，指示燈持續亮起或閃爍當任何輸入超出范圍時(shí)，速度緩慢。
Configuration Switch Pack
The B875–111 can be configured to accept 8 differential or 16 single ended inputs. When selected for 8 differential inputs, the card is called a B875–111. When selected for 16 single ended inputs, the card is called a B877–111. This selection is made by switch 7 on the configuration switch pack found at the rear of the module. SW7 in the left position is equal to 16 inputs, in the right position it is equal to 8 inputs. In addition to selecting the number of inputs, you also select voltage range, output format, polarity, offset and number of samples. Refer to the Installation Instructions and the DIP-switch chart on the left side of the module for details. For a quick start setup, use the following settings to interface a 0 to +10V input signal. For the following input parameters: 0—10 V input 0 to full scale output format One sample Eight differential inputs Set the switch settings as follows: SW1, SW3, SW5, SW7=right SW2, SW4, SW6, SW8=left Input Type Selection (Voltage or Current) If configured as a B875 (8 differential inputs), current inputs (4—20mA) are selected by placing a jumper at the field connector between the positive voltage input and the current input terminal for the appropriate channel. Refer to the following illustration. Field Connector Jumper Diagram
If configured as a B877
(16 single ended current inputs), input type is selected by the switches on the left side of the module. There is one switch for each of the 16 inputs. This switch places a 250 ohm precision resistor between the plus input and analog return. External jumpers are not used and must be removed. The left position is equal to voltage input, and the right position is equal to current input. The fifth switch on switch bank 4 (left side) selects the voltage range for both B875 and B877 operations. This switch must correspond to switch 8 of the configuration switch bank (at rear of module). The left position of SW5 is equal to 10 volts, and the right position is equal to 5 volts. SW8 must be in the same position as SW5. For the 0—10V input signal example, set all the input switches to the left (down or towards the numbers). I/O Mapping If setup for 8 differential inputs, the module type will be a B875 and requires 8 consecutive 3xxxx binary registers. If setup for 16 single ended inputs, the module type will be a B877 and require 16 consecutive 3xxxx binary registers. Wire Inputs The B875–111 and B877–111 require a high-density connector, part number AS– 8535–000. Refer to the left side of the module for pinouts. Refer to the following illustration. 0—10 V Input Example, Diagram.
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