產品內容介紹
1785-ME64/A通訊模塊
P890/P892遠程I/O處理器提供984 PC之間的直接接口和800系列I/O。兩個模塊都包括一個集成電源相鄰800系列I/O模塊的3安培電源。此外，P892處理器提供兩個半雙工ASCII端口。
P890/P892處理器直接安裝在19英寸或27英寸800的主處理器上系列I/O外殼（H819/H827-209）。處理器與之間的連接I/O模塊通過外殼底板制成。遠程I/O系統同軸電纜提供P890/P892之間的通信路徑處理器和RIO頭。
P890/P892處理器與所有Unity可編程控制器兼容支持S908遠程I/O系統的。P890/P892處理器是兼容所有800系列I/O模塊：離散、模擬、寄存器和智能。
支持的遠程I/O丟棄的實際數量和每個丟棄的I/O點取決于控制器大小。
P890/P892處理器支持單個遠程I/O電纜配置。纜繩從984控制器通過帶有連接電纜的分接頭連接到P89X遙控器接口。
P890/P892處理器電源支持兩個獨立的電源115/230VAC和24VDC。
交流電源可在115v和230伏設置
頂部ON/OFF開關控制交流電源，底部ON/OFF開關控制24VDC電源。兩種電源均可用于為P890/P892。24VDC可用作115/230VAC的備用電源。單插槽P890/P892最多可為800系列提供3安培的電源I/O模塊。對于需要更多電源的系統，擴展器電源應插入下一個I/O外殼中。
ASP890300一般說明概述帶電源的MODICON ASP890300 800 I/O遠程I/O處理器提供PLC和800系列遠程I/O模塊之間的接口。兩個半雙工ASCII端口可用。
基本操作模式為P890/P892/J890復制（AS-P89X-000和AS-J890-X0X）和J892仿真（AS-J89 2-X0X。
ASP890300處理器與以下所有施耐德電氣控制器兼容
支持S908/CRP型遠程I/O網絡和所有800系列I/O模塊。
遠程I/O通信通過單同軸電纜或雙同軸電纜實現網絡。支持的滴數和點數取決于系統PLC。
操作模式可選擇旋轉開關，包括單或雙RI/O電纜。
這在一定程度上消除了使用連接電源線的單根電纜。
旋轉開關可選操作模式，加上兩個執行刷新選項：J890/P890單或雙RI/O電纜操作J892和P892單或雙RI/O電纜操作RTU或ASCII刷新模式存儲在閃存中的執行軟件可以通過ASCII端口1進行更新。
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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