CP451-50 I/O 模块和现场设备之间的接线可使用三种连接方式：CP451-50 CPU 处理器模块专用信号电缆连接、压力钳端子连接和 MIL 电缆连接。CP451-50 对于专用信号电缆连接，专用信号电缆用于通过端子板或继电器板连接现场设备。信号电缆接口适配器在结构上与CP451-50 I/O 模块集成在一起。通过分别选择 I/O 模块和信号电缆的选项代码，可以防止错误类型的 I/O 模块插入。至于压力钳端子连接，现场设备可以直接连接到 I/O 模块。横河Yokogawa CP451-50 I/O 模块有两种类型的压力钳接线端子可供选择——一种是单配置类型，另一种是双冗余配置类型。I/O 模块可以在端子块上实现双冗余。客户提供的 MIL 电缆可以直接连接到 I/O 模块，无需接线端子。为防止 MIL 电缆从 I/O 模块断开，电缆连接器盖(SCCC01 和 SCCC02)可与 MIL 电缆一起使用。
CP451-51
CP451-51
There are three connection methods available between the CP451-50 I/O module and field devices: dedicated signal cable connection for the CP451-50 CPU processor module, pressure clamp terminal connection, and MIL cable connection. CP451-50 is used for dedicated signal cable connections, which are used to connect field devices through terminal boards or relay boards. The signal cable interface adapter is structurally integrated with the CP451-50 I/O module. By selecting option codes for I/O modules and signal cables separately, it is possible to prevent incorrect types of I/O modules from being inserted. As for the pressure clamp terminal connection, on-site devices can be directly connected to the I/O module. Yokogawa CP451-50 I/O module has two types of pressure clamp terminal blocks to choose from – one is a single configuration type, and the other is a dual redundant configuration type. I/O modules can achieve dual redundancy on terminal blocks. The MIL cable provided by the customer can be directly connected to the I/O module without the need for wiring terminals. To prevent MIL cables from disconnecting from the I/O module, cable connector covers (SCCC01 and SCCC02) can be used with MIL cables.
CP451-51
CP451-51
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CP451-51
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