DEIF PPM-3脈沖控制器
狀態(tài)LED為雙色（紅色和綠色）LED
顯示ICT模塊的操作狀態(tài)。它有三種可能的狀態(tài)。表4-2列出了狀態(tài)LED狀態(tài)的含義。如果狀態(tài)LED指示存在錯誤，請參閱第5節(jié)了解糾正措施。有兩組八個CPU LED。A組LED顯示移動模式，指示模塊正在運行。B組LED在正常操作期間，對通過INICT03模塊的命令和回復進行計數(shù)。如果發(fā)生錯誤，這些LED將顯示錯誤代碼，狀態(tài)LED將變?yōu)榧t色。有關(guān)CPU LED錯誤代碼和相關(guān)糾正措施的列表，請參閱表5-2。停止/復位按鈕按下停止/復位按鍵一次，等待狀態(tài)LED變?yōu)榧t色，然后從模塊安裝單元上拆下ICT模塊。按下停止/復位按鈕兩次會使ICT模塊在停止后恢復通電值。它還用于從操作員啟動的停止或模塊超時中恢復。INICI01和INICI03操作模式INICI02和INCI03 INFI-NET到計算機接口有兩種操作模式：執(zhí)行和錯誤。（僅限INICT01模塊）檢測動態(tài)RAM內(nèi)存中的單位和雙位錯誤。糾正單位錯誤，但在雙位錯誤時停止ICT模塊操作。非法地址檢測檢測到非法地址會產(chǎn)生總線錯誤，ICT模塊會停止操作。機器故障計時器微處理器更新此計時器。機器故障超時會停止ICT模塊的操作。
執(zhí)行模式
此模式適用于INICT01和INICT03模塊，是ICI計算機接口的正常操作模式。在執(zhí)行模式下，主機和INFI-NET系統(tǒng)通過ICI計算機接口進行交互。ICI計算機接口固件允許通過主機配置計算機接口和控制模塊。有關(guān)更多信息，請參閱功能代碼應(yīng)用手冊。ICT模塊（在執(zhí)行模式下）可以收集異常報告、行使控制權(quán)、允許操作員調(diào)整可調(diào)模塊規(guī)格、配置位于INFI-NET系統(tǒng)上的節(jié)點內(nèi)的模塊以及執(zhí)行常規(guī)系統(tǒng)安全功能。錯誤模式如果內(nèi)置系統(tǒng)診斷例程檢測到硬件或執(zhí)行錯誤，則INICT01和INICT03模塊進入此模式。如果ICT模塊檢測到錯誤，模塊將停止并在CPU LED上顯示錯誤代碼。有關(guān)ICT模塊進入錯誤模式時的糾正措施，請參閱第5節(jié)。安全功能INICT01和INICT03模塊執(zhí)行硬件和軟件安全檢查，以確保模塊完整性。如果診斷測試失敗，面板LED顯示錯誤狀態(tài)，狀態(tài)LED變?yōu)榧t色，模塊操作停止。
The status LED is a two color (red and green) LED
that displays the operating status of the ICT module. It has three possible states. Table 4-2 lists the meaning of the status LED states. Refer to Section 5 for corrective action if the status LED indicates that an error exists.There are two groups of eight CPU LEDs. Group A LEDs display a moving pattern to indicate the module is functioning. Group B LEDs, during normal operation, keep count of the commands and replies that pass through the INICT03 module. If an error occurs, these LEDs display an error code and the status LED turns red. Refer to Table 5-2 for a list of CPU LED error codes and associated corrective action. Stop/Reset Pushbutton Push the stop/reset pushbutton once and wait for the status LED to turn red before removing an ICT module from the module mounting unit. Pressing the stop/reset pushbutton twice causes the restoration of the ICT module to power up values after a halt. It is also used to recover from an operator initiated stop or a module time-out. INICI01 AND INICI03 MODES OF OPERATION The INICI01 and INICI03 INFI-NET to Computer Interfaces have two modes of operation: execute and error.(INICT01 module only) Detects single bit and double bit errors in the dynamic RAM memory. Corrects single bit errors but halts ICT module operation on double bit errors. Illegal Address Detection Detecting an illegal address generates a bus error and the ICT module halts operation. Machine Fault Timer The microprocessor updates this timer. A machine fault time-out halts ICT module operation.
Execute Mode
This mode applies to the INICT01 and INICT03 modules and is the normal mode of operation for the ICI computer interface. In the execute mode, the host computer and INFI-NET system interact through the ICI computer interface. ICI computer interface firmware permits the configuration of computer interface and control modules through the host computer. Refer to the Function Code Applications Manual for more information. The ICT module (while in execute mode) can collect exception reports, exercise control, allow the operator to adjust tunable module specifications, configure modules within a node residing on the INFI-NET system and do routine system security functions. Error Mode The INICT01 and INICT03 modules enter this mode if the built-in system diagnostic routines detect a hardware or execution error. If the ICT module detects an error, the module halts and displays an error code on the CPU LEDs. Refer to Section 5 for corrective action when the ICT module enters the error mode. SECURITY FUNCTIONS The INICT01 and INICT03 modules perform both hardware and software security checks to insure module integrity The INICT01 and INICT03 modules do the following software checks: Module Diagnostics The ICT module diagnostic routines execute automatically on system power up. If the diagnostic tests fail, the faceplate LEDs display error conditions, the status LED goes red, and the module operation halts.
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