產(chǎn)品內(nèi)容介紹
DEIF GPU/2/GS船舶控制器
B846-001電壓模擬多路復(fù)用器（MUX）和B846-002電流的特性
模擬多路復(fù)用器（MUX）輸入模塊接受16個模擬信號并連接一個多路傳輸信號至模塊的輸出端子。
16位的值分配給模塊的離散輸出（線圈）或寄存器決定了哪個輸入信號連接到輸出。
B846接收來自PLC的命令，該命令告訴模塊哪個模擬連接到輸出端子的通道。
此通信通過以下方式完成輸出寄存器（4x），在通信量覆蓋I/O系統(tǒng)時指定。
這個輸出寄存器的值指示選擇哪個通道。B846的每個通道都有一個高可靠性DPST簧片繼電器。
該模塊是每次掃描PLC時更新，切換輸出在10內(nèi)穩(wěn)定毫秒。繼電器觸點保證在10毫秒內(nèi)響應(yīng)，包括診斷。
每個單獨的輸入通道可以用可用的250歐姆精度接線電阻器。
當B846輸出連接至1-5V模擬輸入。
模塊擋板上的指示燈用于識別由控制器。
16個輸入通道的編號從0到15。
通信故障時，所有輸出關(guān)閉。關(guān)閉發(fā)生在300毫秒的信號丟失。
模塊的ACTIVE指示燈也將關(guān)閉。
B846模塊可以插入800系列I/O結(jié)構(gòu)中的任何位置。模塊很容易滑入外殼，不會與其他任何模塊發(fā)生干涉模塊的操作。
可選的機械鍵控系統(tǒng)可用于匹配模塊類型，在外殼上有一個特殊的插槽，以確保正確的模塊替換用戶連接到標準螺釘端子排。
這個剛性布線系統(tǒng)允許在不干擾布線的情況下插入或移除模塊。
模塊的保護外殼屏蔽了邏輯電路的任何電氣干擾，并將用戶耦合任何噪聲的可能性降至最低將電路側(cè)連接至相鄰模塊。
當模塊插入外殼。此低阻抗接地源用戶連接至標準螺釘端子板；和剛性接線系統(tǒng)允許模塊插入或移除，而不會干擾接線。
提到下圖顯示了端子編號和輸入連接。
接頭AS-8535-000從外殼的底板。
aracteristics
Both the B846-001 Voltage Analog Multiplexer (MUX) and the B846-002 Current Analog Multiplexer (MUX) input modules accept 16 analog signals and connect one multiplexed signal to the output terminals of the module. The value of a 16-bit discrete output (coil) or register assigned to the module determines which input signal is connected to the output. The B846’s receive a command from a PLC that tells the module which analog channel to connect to the output terminals. This communication is accomplished via an output register (4x), which is specified when traffic-copping the I/O system. The value of the output register dictates which channel is selected.Each channel of the B846 has a high reliability DPST reed relay. The module is updated with every scan of the PLC, and the switched output is stable within ten milliseconds. The relay contacts are guaranteed to respond within 10 mS including diagnostics. Each individual input channel may be wired with available 250 Ohm precision resistors. Wiring allows continuous 4-20mA current loop operation when the B846 output is connected to a 1-5V analog input. Indicators on the module’s bezel identify the input channel being enabled by the controller. The sixteen input channels are numbered from 0 to 15. All outputs shut OFF in the event of a communications failure. Shut-off occurs within 300 ms of the signal loss. The module’s ACTIVE indicator will also shut OFF.
The B846 module can be inserted
into any location in the 800 Series I/O structure. The module slides easily into the housing and does not interfere with any other module’s operation. An optional mechanical keying system can be used to match the module type with a particular slot in the housing to ensure proper module replacement. User connections are made to a standard screw terminal strip. The rigid wiring system permits module insertion or removal without disturbing the wiring. The module’s protective case shields the logic circuitry from any electrical interference and minimizes the possibility of any noise being coupled from the user side of the circuitry to adjacent modules. A ground is automatically established when the module is inserted into the housing. This low impedance earth ground originates from the housing’s backplane.User connections are made to a standard screw terminal strip; and the rigid wiring system permits module insertion or removal, without disturbing the wiring. Refer to the following figure for terminal numbering and input connections. Connector AS-8535-000
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