Advantech WISE-4671 User Manual page 56

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configure the "Physical Max Scaling Value" as 100 and "High Scaling Value" as 10,

which shows the input voltage 10V as physical value 100°C.

Note!

The function helps the data be more readable, but the accuracy still

depends on the original input range before scaling and also depends on

the sensor's accuracy.

For the values which are going to be configured for scaling the output data. For users

using RESTful Web API Mapping Unit, can be configured here for further use.

High/Low Alarm



For an AI module with digital or relay output functions featuring a built-in alarm func-

tion. When the analog input value is higher than the high alarm value, or lower than

the low alarm value, an alarm condition occurs. Then the alarm status will be acti-

vated to logic high. The alarm status is shown in the status page of AI as alarm status

LED display, when the alarm condition occurs, the Alarm status LED display will be

lit.

The specified digital output channel will generate a logic high value if you build the

mapping relationship between alarms and DO channel in the DO mapping area. You

can map the DO channel referring to AI Alarm section of DO configuration. The High/

Low Alarm status LED in AI status page can be cleared by clicking "Clear".

This page is for enabling and configuring the alarm. There are two alarm modes:

Latch: Once the alarm occurs, the alarm status will be activated to logic high

level and will keep the value until the alarm is manually cleared. Before the

value is cleared, the Alarm status LED will be continuously lit. For an AI module

with digital or relay output functions, the specific output channel (chosen in the

DO AI Alarm configuration page) will continuously generate logic high value.

You can clear the alarm by clicking the "Clear" button in the AI status page.

Momentary: The alarm status will dynamically change depending on the alarm

condition. If the alarm occurs, the alarm status will be logic high. If the alarm

condition disappears, the alarm status will be logic low. So not only will the

Alarm status LED be lit, in the web page the specific digital output channel value

will change depending on the alarm condition. After you choose the alarm mode

for high alarm or low alarm, you can define the high alarm value or low alarm

value by entering the value in Alarm limit text box.

WISE-4671 User Manual

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