# 6.4.3 Bar

**Introduction**

The bar graph shows the change in the value of the read address by means of a histogram.

**Description**

![](https://3950998874-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2Fpi-series-user-manual%2F-LuqQ3SyAk9kTA3VmqXP%2F-LuqQTJf2Wz3plN9p698%2F5.png?generation=1575018686553864\&alt=media)

**1) Data setting**

**Read address:** Read the value from the set PLC address;

**Dual Value Display:** Set two read addresses. The bar graph will show the value segment between the two read addresses.

**Data format:** It is for setting data format from read address;

**Digits setting:** It means the decimal point position. The decimal point position is effective only when data format is floating and decimal.

**2) Display settings**

**Type:** It is for setting bar display type, it provides two types.

* Type 1: single scale display;
* Type 2: double scales display;

**Bar direction:** horizontal display or vertical display;

**Back color:** User could freely set the color when check it;

**Text color:** Display color of the scale value;

**3) Alarm settings**

It provides alarm function in meter, users could set alarm range, users could set the 4 ranges. And each range corresponds to a different alarm color.

**4) Show scale**

It provides settings for scale on meter, users could select \[Major scale] and \[Minor scale], and set color for them.

**Result**

![](https://3950998874-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2Fpi-series-user-manual%2F-LuqQ3SyAk9kTA3VmqXP%2F-LuqQTJgSRMd9_RyaimS%2F6.png?generation=1575018686564451\&alt=media)

When configuration is completed, the object shows as above picture, when HMI is running.


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