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3BSE003827R1控制器接口卡
也可以在J892模塊上運行置信度測試，以測試裝置要在J892板上建立ASCII置信測試模式，請將SW7設(shè)置為8位DIP開關(guān)上的1（向左）。這將運行循環(huán)測試。一般說明P890/P892遠程I/O處理器提供984 PLC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(tǒng)同軸電纜提供P890/P892之間的通信路徑處理器和RIO頭。
P890/P892處理器與以下所有可編程控制器兼容
支持S908遠程I/O系統(tǒng)。P890/P892處理器兼容所有800系列I/O模塊：離散、模擬、寄存器和智能。實際支持的遠程I/O丟棄數(shù)和每個丟棄的I/O點數(shù)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控制器通過帶有下拉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，115/230 VAC和24 Vdc。交流電源可在115 V之間切換和230 V設(shè)置。
頂部ON/OFF開關(guān)控制交流電源和底部
ON/OFF開關(guān)控制24 Vdc電源。兩種電源均可用于為P890/P892。24 Vdc可用作115/230 VAC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(tǒng)，擴展器電源應(yīng)插入下一個I/O外殼下表顯示了P890/P892處理器指示燈，并提供了打開時的名稱、顏色和指示。I/O處理器指示燈同時亮起處理器。ASCII錯誤指示器僅在P892處理器上。在安裝P890或P892處理器之前，必須設(shè)置位于裝置底部。P890/P892處理器使用一組八個開選擇丟棄/端口地址和ASCII通信握手方法。P890和P892安裝以下步驟描述了如何安裝P890或P892處理器。這個處理器安裝在最左側(cè)的H819/H827-209 800系列I/O外殼中狹槽注意：為了確保此模塊正常運行，您必須具有Traffic Cop軟件的以下版本（或更高版本）：P190 AS-T984-302版本2.01修訂版JIBM AS-DIBM-902版本3.01 Rev.X如果您沒有具有上述軟件級別之一的磁帶或軟盤，請致電客戶服務(wù)并獲得適當?shù)能浖?br/>
General Description
The P890/P892 remote I/O processors provide a direct interface between 984 PLC 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 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, 115/230 VAC and 24 Vdc. The AC power source is switch selectable between 115 V and 230 V settings. The top ON/OFF switch controls the AC power and the bottom ON/OFF switch controls the 24 Vdc source. Either source can be used to power the P890/P892. The 24 Vdc can be used as a backup power source to the 115/230 VAC. 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
Confidence tests can also be run on the J892 module to test the ASCII portion of the device. To establish the ASCII confidence test mode on the J892 board, set SW7 to 1 (to the left) on the eight-position DIP switch. This will run the loop test.
P890 and P892 Installation
The following table shows P890/P892 processor indicator lights and provides the name, color and indication when on. The I/O processor lights are on both processors. The ASCII error indicator is only on the P892 processor.Before installing the P890 or P892 processor, you must set the switches located on the bottom of the unit. The P890/P892 processor has one set of eight switches used to select drop/port address and ASCII communications handshake method.
The following procedure describes how to install a P890 or P892 processor. The processor is installed in an H819/H827-209 800 series I/O Housing in the left-most slot. NOTE: To ensure proper operation of this module, you must have one of the following revisions (or higher) of Traffic Cop software: P190 AS-T984-302 Version 2.01 Rev.J IBM AS-DIBM-902 Version 3.01 Rev.X If you do not have a tape or diskette with one of the above software levels, call Customer Service and obtain the proper software
