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              | 概要 |  
              | 系统模块通过多针连接器连接到左侧的CPU。在内部,它们通过PCI Express连接。CX20xx系列最多支持4个模块的任意顺序连接。一个模块可以连接到cx52x0、CX53x0或CX56x0。CX2500-0030支持增加串口(RS422、RS485)。
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              | 技术数据 |  
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                  | Technical    data | CX2500-0031 |  
                  | Interfaces | RS422/RS485 |  
                  | Type of connection | 2 x D-sub plug, 9-pin |  
                  | Power    supply | via system    bus (through CX2100-0xxx power supply modules) |  
                  | Dimensions (W x H x D) | 24 mm x 99 mm x 54.5 mm |  
                  | Weight | approx. 203 g |  
                  | Relative humidity | 95 %, no condensation |  
                  | Operating/storage    temperature | -25…+60    °C/-40…+85 °C |  
                  | Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |  
                  | EMC    immunity/emission | conforms to    EN 61000-6-2/EN 61000-6-4 |  
                  | Protection rating | IP20 |  |  
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