IS215ACLEH1B通用电气卡件
信号超出范围
当传感器信号读数超过通道配置数据中的预定水平时，将显示信号超出范围警告消息。该预定水平高于工作范围。这提供了一个警告，即传感器检测到气体水平超过通道的设置工作范围。只有在检查传感器处于清洁（非目标气体）空气中未校准后，才能重置锁定信号超范围警告条件。对于从未校准过的新通道卡，显示未校准信息。应校准通道卡并检查其操作。校准过期当预配置的校准间隔过期时，将显示校准过期消息。这是传感器标定到期的警告消息。校准完成后，信息将清除。如果需要，可以使用工程接口软件配置程序禁用此功能。当传感器零点信号低于预先配置的水平且无法实现零点校准时，校准期间会显示零点信号过低消息。对于催化传感器，这通常意味着传感器的两个检测元件之间存在很大的不平衡。应检查传感器安装有无松动的电线或更换传感器。对于mA传感器，这通常表示传感器的mA输出需要校准。
零信号过高
当传感器零点信号高于预先配置的水平且无法实现零点校准时，校准过程中会显示零点信号过高消息。这是检测其目标气体的传感器的典型情况，传感器应使用零气体。或者，对于催化传感器，这通常意味着传感器的两个检测元件之间存在很大的不平衡。应检查传感器安装有无松动的电线或更换传感器。对于mA传感器，这通常表示传感器的mA输出需要校准。校准信号过低当传感器量程信号低于预先配置的水平且无法实现量程校准时，校准过程中会显示校准信号过低消息。这表明传感器输出过低是由于以下原因之一：a.传感器故障，可能中毒或损坏。b、 校准气体不正确。检查校准气瓶证书和年龄。c、 诸如氯或氨之类的粘性气体没有到达传感器。校准信号过高当传感器量程信号高于预配置水平且无法实现量程校准时，校准过程中会显示校准信号过高消息。这表明传感器输出过高是由于以下原因之一：a.传感器故障、布线不良或传感器配置错误。b、 校准气体不正确。检查校准气瓶证书和年龄。当校准气体调整到低于预先配置的水平时，校准期间会显示校准气体过低消息。这在正常本地操作下不会显示，因为工程卡按钮的预配置操作数据将阻止此类调整。
Signal Over Range
The signal over range warning message is displayed when the sensor signal reading is more than a predetermined level held within the channel configuration data. This predetermined level is above the operating range. This provides a warning that the sensor is detecting a level of gas exceeding the set operating range of the channel. The reset of a latched signal overrange warning condition should only be carried out after checking that the sensor is in clean (non target gas) air Uncalibrated The uncalibrated message is displayed for new channel cards that have never been calibrated. The channel card should be calibrated and its operation checked.Calibration Overdue The calibration overdue message is displayed when the pre-configured calibration interval has expired. This is a warning message that the sensor is due for calibration. Once the calibration has been completed the message will clear.If required, this function can be disabled using the Engineering Interface Software configuration program.The zero signal too low message is displayed during calibration when the sensor zero signal is below the pre-configured levels and a zero calibration can not be achieved. For catalytic sensors this would typically signify there is a large imbalance between the two detecting elements of the sensor. The sensor installation should be checked for loose wires or the sensor replaced. For mA sensors this would typically signify that the mA output from the sensor requires calibrating.
Zero Signal Too High
The zero signal too high message is displayed during calibration when the sensor zero signal is above the pre-configured levels and a zero calibration can not be achieved. This is typical of the sensor detecting its target gas and zero gas should be applied to the sensor. Alternatively, for catalytic sensors, this would typically signify there is a large imbalance between the two detecting elements of the sensor. The sensor installation should be checked for loose wires or the sensor replaced. For mA sensors this would typically signify that the mA output from the sensor requires calibrating.Calibration Signal Too Low The calibration signal too low message is displayed during calibration when the sensor span signal is below the pre-configured levels and a span calibration can not be achieved.This indicates that the output from the sensor is too low due to either: a. a faulty sensor which may be poisoned or damaged. b. the calibration gas is incorrect. Check the calibration gas bottle certificate and age. c. sticky gas such as chlorine or ammonia is not reaching the sensor.Calibration Signal Too High The calibration signal too high message is displayed during calibration when the sensor span signal is above the preconfigured levels and a span calibration can not be achieved. This indicates that the output from the sensor is too high due to either: a. a faulty sensor, bad cabling or wrong sensor defaults in configuration. b. the calibration gas is incorrect. Check the calibration gas bottle certificate and age.The calibration gas too low message is displayed during calibration when the calibration gas is adjusted to a level below the pre-configured level. This would not be indicated under normal local operation since the pre-configured operational data of the Engineering Card push-buttons will prevent this type of adjustment.
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