XDD501A101控制备件
3.2.2-红色LED提供的操作指示
工程卡通信状态如下：关闭：工程卡功能正常，且工程功能被锁定。
操作员功能可操作，以允许：检查各种控制卡设置。
On：工程卡功能正常，且工程功能已解锁
允许对所选控制卡的操作。
闪烁：表示控制卡已被从机架中取出，有一个通信错误或外部运行工程界面的PC软件正在与控制器通信卡。
注：要重置此指示，请插入工程短按，然后再次将其拆下。工程按钮
3.3.1概述
工程卡按钮控制各种功能，具体取决于：安装的控制卡类型以及工程钥匙是否：适合。
3.3.2向上按钮（）当操作向上按钮（）时，它会增加
可调整的功能。
3.3.3向下按钮（）
当按下按钮（）时，它会减小可以调整的功能。
3.3.4上下按钮的操作
同时仅当串行打印机连接到时，才能使用此操作
支架操作向上（）和向下（）按钮时
同时，选择控制卡的打印输出命令配置和状态。
3.3.5接受按钮（）
在任何工程师期间操作“接受”按钮（）时功能，此按钮确认已进行的调整，以及然后取消该功能。
3.3.6拒收按钮（）在任何工程师职能期间操作时，并提供
接受（）按钮未被操作，拒绝按钮（）
取消已进行的调整。此按钮也可用以取消选择所选功能。
3.2.2 - Red LED
Provides an indication of the operation of the
Engineering Card communications status as follows:
Off: Engineering Card functioning correctly and
the engineering functions are locked.
Operators functions are operational to allow
the checking of various control card settings.
On: Engineering Card functioning correctly and
the engineering functions are unlocked
enabling changes to be made to the
operation of a selected control card.
Flashing: Indicates that a control card has been
withdrawn from the rack, there is a
communications error or that an external
PC running the engineering interface
software is communicating with the control
cards.
Note: To reset this indication, insert the Engineering
Key briefly and remove it again. Engineering Push-buttons
3.3.1 General
The Engineering Card push-buttons control various functions depending
on the type of control card fitted and whether the Engineering Key is
fitted.
3.3.2 Up Push-button ( )
When the up push-button ( ) is operated, it increases the value of those
functions that can be adjusted.
3.3.3 Down Push-button ( )
When the down push-button ( ) is operated, it decreases the value of
those functions that can be adjusted.
3.3.4 Operation of the Up and Down Push-buttons
Simultaneously
This operation can only be used if a serial printer is connected to the
rack. When the up ( ) and down ( ) push-buttons are operated
simultaneously a print out command is selected of the control card
configuration and status.
3.3.5 Accept Push-button ( )
When the accept push-button ( ) is operated during any of the engineers
functions, this button confirms adjustments that have been made and
then cancels that function.
3.3.6 Reject Push-button ( )
When operated during any of the engineers functions and providing the
accept ( ) push-button has not been operated, the reject push-button ( )
cancels adjustments that have been made. This push-button is also used
to deselect a selected function.
