产品内容介绍
1785-ME64/A通讯模块
P890/P892远程I/O处理器提供984 PC之间的直接接口和800系列I/O。两个模块都包括一个集成电源相邻800系列I/O模块的3安培电源。此外，P892处理器提供两个半双工ASCII端口。
P890/P892处理器直接安装在19英寸或27英寸800的主处理器上系列I/O外壳（H819/H827-209）。处理器与之间的连接I/O模块通过外壳底板制成。远程I/O系统同轴电缆提供P890/P892之间的通信路径处理器和RIO头。
P890/P892处理器与所有Unity可编程控制器兼容支持S908远程I/O系统的。P890/P892处理器是兼容所有800系列I/O模块：离散、模拟、寄存器和智能。
支持的远程I/O丢弃的实际数量和每个丢弃的I/O点取决于控制器大小。
P890/P892处理器支持单个远程I/O电缆配置。缆绳从984控制器通过带有连接电缆的分接头连接到P89X遥控器接口。
P890/P892处理器电源支持两个独立的电源115/230VAC和24VDC。
交流电源可在115v和230伏设置
顶部ON/OFF开关控制交流电源，底部ON/OFF开关控制24VDC电源。两种电源均可用于为P890/P892。24VDC可用作115/230VAC的备用电源。单插槽P890/P892最多可为800系列提供3安培的电源I/O模块。对于需要更多电源的系统，扩展器电源应插入下一个I/O外壳中。
ASP890300一般说明概述带电源的MODICON ASP890300 800 I/O远程I/O处理器提供PLC和800系列远程I/O模块之间的接口。两个半双工ASCII端口可用。
基本操作模式为P890/P892/J890复制（AS-P89X-000和AS-J890-X0X）和J892仿真（AS-J89 2-X0X。
ASP890300处理器与以下所有施耐德电气控制器兼容
支持S908/CRP型远程I/O网络和所有800系列I/O模块。
远程I/O通信通过单同轴电缆或双同轴电缆实现网络。支持的滴数和点数取决于系统PLC。
操作模式可选择旋转开关，包括单或双RI/O电缆。
这在一定程度上消除了使用连接电源线的单根电缆。
旋转开关可选操作模式，加上两个执行刷新选项：J890/P890单或双RI/O电缆操作J892和P892单或双RI/O电缆操作RTU或ASCII刷新模式存储在闪存中的执行软件可以通过ASCII端口1进行更新。
The P890/P892 Remote I/O Processors
provide a direct interface between 984 PC and 800 Series I/O. Both modules include an integrated power supply that supplies 3 amps of power to adjacent 800 series I/O modules. In addition, the P892 processor provides two half duplex ASCII ports. The P890/P892 processor is mounted directly into a primary 19- or 27-inch 800 Series I/O housing (H819/H827-209). The connection between the processor and the I/O modules is made through the housing backplane. The remote I/O system coaxial cabling provides the communications path between the P890/P892 processor and the RIO Head. The P890/P892 processors are compatible with all Unity programmable controllers that support the S908 remote I/O system. The P890/P892 processors are compatible with all 800 Series I/O modules: discrete, analog, register and intelligent. The actual number of remote I/O drops and I/O points per drop supported depends on the controller size. The P890/P892 processors support a single remote I/O cable configuration. Cable runs from the 984 Controller through taps that have drop cables to the P89X remote interfaces. The P890/P892 processor power supply supports two separate power sources, 115/ 230VAC and 24VDC. The AC power source is switch selectable between 115v and 230v settings. The top ON/OFF switch controls the AC power and the bottom ON/ OFF switch controls the 24VDC source. Either source can be used to power the P890/P892. The 24VDC can be used as a backup power source to the 115/230VAC. The single slot P890/P892 can provide a maximum of 3 amps to power 800 series I/O modules. For systems needing more power, expander power supplies should be inserted in the next I/O housing.
ASP890300 General Description
Overview The MODICON ASP890300 800 I/O Remote I/O processor with Power provides an interface between PLCs and 800 Series Remote I/O modules.Two half-duplex ASCII ports are available. The basic modes of operation are P890/P892/J890 replication (AS-P89X-000 and AS-J890-X0X) and J892 emulation (AS-J892-X0X). The ASP890300 Processor is compatible with all Schneider Electric controllers that support the S908/CRP-type Remote I/O networks and all 800 Series I/O modules. Remote I/O communication is accomplished over single or dual coaxial cable networks. The number of drops and points supported depends on the system PLC. Operating modes are rotary switch-selectable, and include single or dual RI/O cable. These, in part, eliminate improper Comm Error LED indications when operating with a single cable connecting the drop. Rotary switch selectable operating modes, plus two executive reflash options are: J890/P890 single or dual RI/O cable operation J892 and P892 single or dual RI/O cable operation RTU or ASCII reflash modes Executive software stored in flash memory may be updated through ASCII Port 1.
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