KONGSBERG RCU502船舶控制器
工程操作程序根据操作的键盘功能按钮，可执行以下工程操作程序：通道复位。频道选择。通道抑制。报警配置和继电器测试。催化桥电流调整。零信号校准。量程信号校准。第一量程信号校准。传感器信号监测。时钟/日历调整。通道选择和复位由通道卡reset/select（复位/选择）按钮执行。参见第6章第3节。使用工程卡按钮控件选择控制卡后，执行其余工程功能。工程师的操作说明是指可用于设置和维护系统的附加设施。由于这些功能可以改变或阻碍系统的操作，因此只能在工程钥匙解锁工程卡时执行。要解锁工程卡，请将工程钥匙插入工程卡前面板插座。工程卡解锁LED（）将亮起，表示其已解锁。插入然后取出工程钥匙，可重置工程卡通信故障警告指示。要选择禁止功能，请执行以下操作：（1）将工程钥匙插入工程卡前面板插座，并检查解锁LED（）是否亮起。（2） 按住所需的控制卡RESET/SELECT（重置/选择）按钮约1.5秒，并通过显示选择图标检查所选控制卡是否指示其已被选中。（3） 按下INHIBIT（禁止）按钮以打开/关闭禁止模式。
所选卡操作
通过按下以下工程卡控制按钮之一，可以选择要在所选控制卡上执行的操作：一旦选择了操作，则有四个控制按钮可用于根据需要操作操作。它们是：a.向上按钮，可用于提升所选控制卡指示值。如果保持在操作位置，显示将每0.5秒增加一个单位。b、 向下按钮，可用于降低所选控制卡的指示值。如果保持在操作位置，显示将每0.5秒减少一个单位。c、 接受按钮，可用于接受所选控制卡显示的值，并将其永久存储为配置的一部分。将控制卡返回到所选模式。d、 拒绝按钮，可用于拒绝选定的控制卡显示值并返回到先前的设定值。将控制卡返回到所选模式。按下工程卡抑制按钮可在打开和关闭之间切换所选控制卡抑制模式。当抑制模式设置为打开时，无论是从工程卡本地还是通过远程抑制输入远程设置，所选控制卡可：a.抑制继电器（如有安装）启动。b、 INHIBIT LED亮起。c、 其余继电器锁定在非活动状态。d、 A1、A2和A3报警LED继续正常工作，并反映通道的当前状态。e、 如果通道是主/分区或投票报警功能的参与者，则控制卡报警也将从主、分区或投票警报功能中排除。
ENGINEERING OPERATING ROUTINES
Depending upon the which keypad function push-button is operated, the following engineering operating routines may be carried out: Channel Reset. Channel Select. Channel Inhibit. Alarm Configuration and Relay Test. Catalytic Bridge Current Adjustment. Zero Signal Calibration. Span Signal Calibration. 1st Span Signal Calibration. Sensor Signal Monitoring. Clock/Calendar Adjustment. Channel select and reset are carried out by the channel card RESET/ SELECT push-button. See Chapter 6, Section 3. The remaining engineering functions are carried out after a control card has been selected using the Engineering Card push-button controls. The engineer's operating instructions refer to the additional facilities available to setup and maintain the system. Because the operation of the system can be altered or impeded by these functions, they can only be performed when the Engineering Card is unlocked by the Engineering Key To unlock the Engineering Card, plug the Engineering Key into the Engineering Card front panel socket. The Engineering Card Unlocked LED ( ) will illuminate to indicate that it is unlocked.Inserting and then removing the Engineering Key resets the Engineering Card communications failure warning indication.To select the inhibit function, proceed as follows: (1) Plug the Engineering Key into the Engineering Card front panel socket and check that the Unlocked LED ( ) is illuminated. (2) Push and hold the required control card RESET/SELECT pushbutton for approximately 1.5 seconds and check that the selected control card indicates it has been selected by displaying the select icon. (3) Push the INHIBIT push-button to toggle the inhibit mode on/off.
SELECTED CARD OPERATIONS
The operation to be carried out on the selected control card is chosen by pushing one of the following Engineering Card control push-buttons: Once an operation has been selected, there are four control push-buttons which may be used to manipulate the operation as required. These are: a. The up push-button, which may be used to raise the selected control card indicted value. If held in the operated position, the display will be increased by one unit every 0.5 seconds. b. The down push-button, which may be used to lower the selected control card indicated value. If held in the operated position, the display will be decreased by one unit every 0.5 seconds. c. The accept push-button, which may be used to accept the selected control card displayed value and store this permanently as part of the configuration. Returns the control card to the selected mode. d. The reject push-button, which may be used to reject the selected control card displayed value and return to the previous set value. Returns the control card to the selected mode.Pushing the Engineering Card INHIBIT push-button toggles the selected control card inhibit mode between on and off. When the inhibit mode is set to on, either locally from the Engineering Card or remotely by the Remote Inhibit input, the selected control card: a. inhibit relay, if fitted, is actuated. b. INHIBIT LED is illuminated. c. remaining relays are locked in their non-active state. d. A1, A2 and A3 alarm LEDs continue to operate as normal and reflect the current status of the channel. e. If the channel is a participant in a master/zoned or voted alarm function, the control card alarm will also be excluded from the master, zone or voted alarm function.
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