IS200TBCIH2脉冲输入卡件
Genius手持式监视器和Genius总线的螺纹端子。。两个LED显示模块正常和通道1正常状态信息。总线控制器异步扫描数据块，并在机架底板上每扫描一次CPU，将数据传输到GMR CPU。总线控制器还将故障信息从设备传递到GMR CPU，GMR CPU对故障进行时间标记，并在表中对故障进行排队。a42985用于连接Genius总线电缆的Genius总线控制器模块和门打开的Genius手持式监视器LED端子的连接器典型地，对于三重GMR总线，每个GMR PLC使用三个Genius总线。三重GMR系统的下图中显示了两个三重的GMR总线。或者，两个Genius总线控制器可以用于一个双工GMR总线，也可以用于一条单工GMR总线或一条“非GMR总线”。具有两个三重总线的三重GMR系统附加Genius总线控制装置可以在GMR配置范围之外，但仍然是GMR系统的一部分。通过交换定向通信（数据报）和全局数据，它们可以充当连接其他设备的通信节点，并提供对等信息传输。这样的网络可以提供多个PLC和主机之间的通信。型号#（IC697）BEM731每个总线支持的设备28个典型块–最大31个（包括最多3个GBC和1个HHM）通信速率153.6 Kbaud标准、153.6 Kbaud扩展、76.8 Kbaud、，38.4 Kbaud最大电缆长度2000英尺@153.6 Kbaud标准3500英尺@153.6Kbaud扩展4500英尺@76.8 Kbaud 7500英尺@38.4 Kbud配置通过LM90–70编程和配置软件（无硬件开关或跳线）组中一个GBC故障的影响无–报告IOC丢失–冗余组中的其他GBC继续运行4-18 Genius®模块冗余灵活三模块冗余（TMR）系统GFT-177A技术产品概述–1998年2月4 Genius网络Genius网络将Genius块连接到GMR PLC系统。它作为通信接口，在GMR PLC系统的CPU之间传递启动、诊断和应用数据。Genius网络还为包括个人计算机在内的各种第三方设备提供了一个开放式架构接口。典型的总线电缆是屏蔽双绞线或双轴电缆。无需特殊连接器；所有设备上都配有鞍形夹螺钉连接器。总线的每个物理端都用提供的适当的端接电阻器端接。带调制解调器的光纤电缆可用于远距离要求或需要额外隔离的情况。Genius网络以4种速度运行，最高可达153.6K波特。网络的最大长度取决于所选的速度；最高可达7500英尺。最大总线电缆长度取决于所选择的四种波特率以及下图所示的电缆类型。每个Genius串行总线通过在设备之间传递“令牌”来传递数据。当设备接收到令牌时，轮到该设备进行通信。当总线上的所有设备都收到一次令牌时，就会发生“总线扫描”。在一次总线扫描期间，GBC从所有块接收所有输入，从所有块中接收任何故障信息，更新块上的所有输出，发送从CPU接收的任何命令。Genius总线扫描与GMR CPU扫描独立且异步。
of a Genius Hand-held Monitor and screw terminals for the Genius bus.. Two LEDs show Module OK and Channel One OK status information. The Bus Controller scans blocks asynchronously and transfers data to the GMR CPU once per CPU scan over the backplane of the rack. The Bus Controller also passes fault information from the devices to the GMR CPU, which time-stamps faults and queues them in a table. a42985 Connector for Genius Hand-held Monitor LEDs Terminals for Connecting Genius Bus Cable Genius Bus Controller Module with Door Open Typically, three Genius Bus Controllers are used per GMR PLC for a triplex GMR bus. Two triplicated GMR Buses are shown in the following drawing of a triplex GMR system. Alternatively, two Genius Bus Controllers can be used for a duplex GMR bus or a single Genius Bus Controller for a simplex GMR bus or a “non-GMR bus”. Triplex GMR System with Two Triplicated Busses Additional Genius Bus Controllers can be outside the scope of the GMR configuration but still part of a GMR system. Through the exchange of directed communications (datagrams) and global data, they can serve as communications nodes linking other devices and provide peer–to–peer information transfer. Such a network can provide communications between multiple PLCs and host computers. MODEL # (IC697) BEM731 Devices Supported per Bus 28 Blocks Typical – 31 Maximum (including up to 3 GBCs and 1 HHM) Communications Rates 153.6 Kbaud Standard, 153.6 Kbaud Extended, 76.8 Kbaud, 38.4 Kbaud Maximum Cable Lengths 2000 feet @ 153.6 Kbaud Standard 3500 feet @ 153.6 Kbaud Extended 4500 feet @ 76.8 Kbaud 7500 feet @ 38.4 Kbaud Configuration Via LM90–70 Programming and Configuration Software (No Hardware Switches or Jumpers) Effect of Failure of One GBC in a group None – Loss of IOC reported – other GBC(s) in the redundant group continue to operate 4-18 Genius® Modular Redundancy Flexible Triple Modular Redundant (TMR) System GFT-177A Technical Product Overview – February 1998 4 Genius Network The Genius network interfaces Genius blocks to the GMR PLC system. It serves as a communications interface to pass startup, diagnostic and application data between the CPUs of the GMR PLC system. The Genius network also provides an open–architecture interface to a variety of third–party devices including personal computers. Typical bus cable is shielded twisted pair or twinaxial cable. No special connectors are required; saddle-clamp screw connectors are provided on all devices. Each physical end of a bus is terminated with appropriate termination resistors which are provided. Fiber optics cable with modems can be used for long distance requirements or if additional isolation is required. The Genius network operates at 4 speeds up to 153.6K baud. The maximum length of a network depends on the speed selected; it can be up to 7,500 feet. Maximum bus cable lengths depend on which of four baud rates is selected and the cable type as shown in the chart below. Each Genius serial bus conveys data by passing a “token” among the devices. When the token is received by a device it is that device’s turn to communicate. A “bus scan” occurs when all devices on the bus have received the token one time. During one bus scan the GBC receives all inputs from all blocks, receives any fault information from all blocks, updates all outputs on the blocks, sends any commands received from the CPU. The Genius bus scan is independent and asynchronous from the GMR CPU sweep.
