HIMA H51q-HRS B5233-2控制器
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HIMA H51q-HRS B5233-2扩展单元包含CEX总线逻辑、带存储器的CPU内核、带线路冗余单元的PROFIBUS接口和DC/DC转换器，该转换器通过CEXBus从+24V电源提供适当的电压。PROFIBUS DP必须始终在两个外部节点处终止。这通常是通过使用带有内置终端的连接器来完成的。为了保证正确的工作终端，必须插入连接器并提供电源。必须满足屏蔽/接地的PROFIBUS DP要求。PROFIBUS DP安装指南要求电缆屏蔽应在电缆两端接地。尽管CI854/CI854A已经通过检测到的连接器F（故障）/红色单元错误将屏蔽连接到地，但必须这样做。在控制器重置期间由硬件设置。复位后由控制软件控制。R（un）/绿色运行。在控制器重置过程中被硬件清除。复位后由控制软件控制。线路A上的RxA/黄色接收数据。对于收到的每一封电报，LED都会闪烁。在正常操作中，视为静态打开。RxB/线路B上的黄色接收数据。对于收到的每一封电报，LED都会闪烁。在正常操作中被视为静态亮起。PRIM（ary）/黄色（CI854A）此LED在单个和冗余配置中亮起。表示主CI854A处于冗余配置。DUAL/黄色（CI854A）当CI854A在冗余配置中运行时，此指示灯亮起
The HIMA H51q-HRS B5233-2 expansion unit contains the CEX-Bus logic, the CPU-kernel with memory, the PROFIBUS interface with line redundancy unit and a DC/DC converter that supplies the appropriate voltages from the +24V supply, via the CEXBus. The PROFIBUS DP must always be terminated at the two outer nodes. This is usually done by using connectors with built-in termination. To guarantee a correct working termination the connector has to be plugged and power supplied. The PROFIBUS DP requirements for screening/earthing have to be fulfilled. The PROFIBUS DP installation guideline requires that the cable shield should be connected to ground at both ends of the cable. This has to be done although the CI854/CI854A already connects the shield to ground via the connectors F(ault) /Red Unit error detected. Set by the Hardware during controller Reset. Controlled by the Control Software after Reset. R(un) /Green Operating. Cleared by the Hardware during controller Reset. Controlled by the Control Software after Reset. RxA /Yellow Receive Data on Line A. For each telegram received the LED flashes. In normal operation is seen as static on. RxB /Yellow Receive Data on Line B. For each telegram received the LED flashes. In normal operation is seen as static on. PRIM(ary) /Yellow (CI854A) This LED is on in single and redundant configuration. Indicates Primary CI854A in redundant configuration. DUAL /Yellow (CI854A) This LED is on when CI854A is running in redundant configuration
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