DEIF PSM-1脈沖累加卡件
CPU LED在正常操作期間，CPU LED會對通過ICT模塊的命令和回復(fù)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。內(nèi)存指示燈有兩個內(nèi)存指示燈。當(dāng)模塊正在糾正單個位錯誤時，MEM LED 2亮起。當(dāng)發(fā)生兩位錯誤或完全內(nèi)存故障時，兩個LED都亮起。對INICI01和INICI03 INFI-NET到計算機接口的故障排除僅限于查看任何INFI 90操作員接口的錯誤計數(shù)器和模塊狀態(tài)報告的內(nèi)容。有關(guān)模塊狀態(tài)報告的信息，請參閱特定計算機接口的說明。所有INFI-NET通信模塊都有面板LED，用作錯誤代碼顯示。NIS模塊具有可選擇的事件和錯誤計數(shù)器（參見表3-5和3-6）。NIS模塊錯誤計數(shù)器計數(shù)錯誤的方式與事件計數(shù)器計數(shù)事件的方式相同。表3-6列出了錯誤計數(shù)器。如果出現(xiàn)致命錯誤情況，NIS模塊將停止操作。A組LED顯示錯誤代碼。當(dāng)A組LED顯示錯誤代碼時，B組LED熄滅。有關(guān)錯誤代碼和相關(guān)糾正措施的列表，請參閱表5-1。
INICT01和INICT03模塊錯誤代碼
如果ICT模塊運行時發(fā)生錯誤，狀態(tài)LED將變?yōu)榧t色，ICT模塊面板上的CPU LED將顯示錯誤代碼。表5-2列出了ICT模塊錯誤代碼和相關(guān)糾正措施。ICT模塊僅在停止時顯示錯誤代碼。五個狀態(tài)字節(jié)提供有關(guān)ICT模塊狀態(tài)的信息。表5-3、5-4和5-5列出了NIS模塊邊緣連接器引腳分配。表5-6、5-7和5-8列出了INICT01模塊邊緣連接器引腳分配。表5-9、5-10和5-11列出了INICT03模塊邊緣連接器引腳分配。表5-12和5-13列出了IMMPI01模塊邊緣連接器引腳分配。如果發(fā)生機器故障超時，可能會出現(xiàn)不在列表中的代碼。如果發(fā)生這種情況，請重置ICT模塊。如果狀態(tài)LED保持紅色，則ICT模塊出現(xiàn)故障。在這種情況下，請更換ICT模塊。按下停止開關(guān)，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。使用停止開關(guān)可以在模塊停止操作之前完成正在進行的任何NVRAM寫入操作。按下復(fù)位開關(guān)可使ICT模塊在停止后恢復(fù)到通電值。它還用于從操作員啟動的停止或模塊超時中恢復(fù)。INICT03模塊的面板具有以下組件（見圖4-3）：?狀態(tài)LED。?16個CPU LED。?停止/復(fù)位按鈕。
CPU LEDs
During normal operation, the CPU LEDs keep a count of the commands and replies that pass through the ICT 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. Memory LEDs There are two memory LEDs. The MEM LED 2 is on while the module is correcting single bit errors. Both LEDs are on when a two-bit error or a complete memory failure occurs.Troubleshooting the INICI01 and INICI03 INFI-NET to Computer Interfaces is limited to viewing the contents of the error counters and the module status report from any INFI 90 operator interface. Refer to the instruction for your specific computer interface for information on module status reports.All INFI-NET communication modules have faceplate LEDs that serve as error code displays. The NIS module has event and error counters that are selectable (refer to Tables 3-5 and 3-6).The NIS module error counters count errors in the same manner as the event counters count events. Table 3-6 lists the error counters. The NIS module halts operation if a fatal error condition occurs. Group A LEDs display error codes. Group B LEDs are off when group A LEDs are displaying error codes. Refer to Table 5-1 for a list of error codes and associated corrective action.
INICT01 AND INICT03 MODULE ERROR CODES
If errors occur while the ICT module is operating, the status LED turns red and the CPU LEDs on the ICT module faceplate display error codes. Table 5-2 lists the ICT module error codes and associated corrective action. The ICT module displays error codes only when it is halted. Five status bytes provide information about the ICT module status. Tables 5-3, 5-4, and 5-5 list the NIS module edge connector pin assignments. Tables 5-6, 5-7, and 5-8 list the INICT01 module edge connector pin assignments. Tables 5-9, 5-10, and 5-11 list the INICT03 module edge connector pin assignments. Tables 5-12 and 5-13 list the IMMPI01 module edge connector pin assignments. A code that is not on the list may appear if a machine fault time-out occurs. Reset the ICT module if this happens. The ICT module has failed if the status LED remains red. Replace the ICT module in this case.Push the stop switch and wait for the status LED to turn red before removing a ICT module from the module mounting unit. Using the stop switch allows any NVRAM write operation in progress to complete before the module halts operation.Pressing the reset switch causes the restoration of the ICT module to the power up values after a halt. It is also used to recover from an operator-initiated stop or a module time-out.The faceplate of the INICT03 module has the following components (see Figure 4-3): ? Status LED. ? 16 CPU LEDs. ? Stop/reset pushbutton.
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