Content Comparison

Item

Description

New Tag

There are two methods to create a new tag:

1. Click the icon in the ‘Tag Browser’ window.

2. Right-click the tag list and select [New Tag] on the submenu.

Edit Tag

There are two methods to edit a tag:

1. Click the icon in the ‘Tag Browser’ window.

2. Double-click a tag in the tag list to edit it.

3. Right-click the tag to edit and select [Edit Tag] on the submenu.

Delete Tag

There are two methods for deleting a tag:

1. Select the tag to delete and press the ‘Delete’ key.

2. Right-click the tag to delete and select [Delete] on the submenu.

Copy Tag

Select the tag to copy/cut from the tag list.

Copy or cut the tag with any of the methods shown below:
   1. Press the Ctrl + C or Ctrl + X keys.
   2. Right-click the tag and select [Copy] or [Cut] from the submenu.
After copying, move to the destination, right-click and select [Paste] from the sub menu submenu or press the Ctrl + V keys to paste.

Alternatively, users can select the desired tag to copy and click the icon in the ‘Tag Browser’ window. The copied tag can then be pasted by clicking the icon.

When creating a tag, use a name that follows the criteria listed below:

1. No special characters (e.g. Space, Tab, @, *, /, +, -, etc.)

2. The first character of a tag name cannot be a number.
Ex: “DIG1” is valid, but “1DIG” is invalid

3. Tags are not case-sensitive. All tags will be stored as uppercase.

4. You cannot use the same tag name more than once in the same tag group. However, tags may use the same name if they are in different groups.

Data Type

Description

Range

SINT(INT8)

Signed 8-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

-128 ~ 127

INT(INT16)

Signed 16-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

-32768 ~ 32767

DINT(INT32)

Signed 32-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

-2147483648 ~ 2147483647

LINT(INT64)

Signed 64-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

-9223372036854775808 ~ 9223372036854775807

USINT(UINT8)

Unsigned (non-negative) 8-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

0 ~ 255

UINT(UINT16)

Unsigned (non-negative) 16-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

0 ~ 65535

UDINT(UINT32)

Unsigned (non-negative) 32-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

0 ~ 4294967295

ULINT(UINT64)

Unsigned (non-negative) 64-bit integer. Enables the ‘Encoding’, ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

0 ~ 18446744073709551615

REAL(FLOAT)

32-bit floating-point number. Enables the ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

-3.40282346638529e+038 ~ 3.40282346638529e+038

LREAL(DOUBLE)

64-bit floating-point number. Enables the ‘Clamp Mode’, ‘Deadband Type’, and ‘Scale Mode’ advanced options.

4.9 x 10^-307 ~1.8 x 10⁺³⁰⁸

• It is important to verify that the data type of every tag matches the data type used within the paired device. If there is a mismatch, data may be incorrectly represented or manipulated.

• For data types that span multiple addresses (namely 32-bit double words), only the first address is needed. The address of the remaining words or bytes is implied. Note that Modbus devices typically only send and receive one 16-bit word per address. Therefore, Modbus double words may not be directly accessible via a single real tag.

Item

Description

Clamp Mode

This option dictates how the tag will handle values outside of the specified Maximum/Minimum values. Note that this setting only applies to write requests, and will not change values read from the PLC.

Clamp High

To use Clamp High, select ‘Clamp High’ from the drop-down menu. Next, enter the desired Engineering Max value. Any tag value greater than the assigned Engineering Max value will be overwritten to the Engineering Max value.

Clamp Low

To use Clamp Low, select ‘Clamp Low’ from the drop-down menu. Next, enter the desired Engineering Min value. Any tag value less than the assigned Engineering Min value will be overwritten to the Engineering Min value.

Clamp Both

To use Clamp Both, select ‘Clamp Both’ from the drop-down menu. Next, enter the desired Engineering Max and Engineering Min values. Any tag value greater than the assigned Engineering Max value will be overwritten to the Engineering Max value, and any tag value less than the assigned Engineering Min value will be overwritten to the Engineer Min value.

Reject High

To use Reject High, select ‘Reject High’ from the drop-down menu. Next, enter the desired Engineering Max value. Any tag value greater than the assigned Engineering Max value will be discarded, and the tag value will remain at the last recorded tag value.

Reject Low

To use Reject Low select ‘Reject Low’ from the drop-down menu. Next, enter the desired Engineering Min value. Any tag value less than the assigned Engineering Min value will be discarded, and the tag value will remain at the last recorded tag value.

Reject High

To use Reject Both select ‘Reject Both’ from the drop-down menu. Next, enter the desired Engineering Max and Min values. Any tag value greater than the assigned Engineering Max value will be discarded, and the tag value will remain at the last recorded tag value. Any tag value less than the assigned Engineering Min value will be discarded, and the tag value will remain at the last recorded tag value.

Scale Mode

Converts the original input data into a new value using one of four methods.

Linear Range

To use the Linear Range method, select ‘Linear Range’ from the drop-down menu. Next, enter the desired Raw Low, Raw High, Scaled Low, and Scaled High values. With this option, the tag value will be linearly scaled so such that that the Raw Data minimum Low is converted to the Eng. Data minimum Scaled Low and the Raw Data maximum High is converted to the Eng. Data maximumScaled High. Intermediate values are scaled linearly. For a given input (raw) value, the exact output (tag) value can be calculated using the formula below:

Tag Value = (Input Value – Raw Data MinLow) / (Raw Data Max High – Raw Data MinLow) * (Eng. Data Max – Eng. Data Min) + Eng. Data MinScaled High– Scaled Low) + Scaled Low

Example: Select an analog a ‘REAL’ tag with data type Float. Set the Raw Data minimum Low to 0 and the maximum Raw High to 1. Set the Eng. Data minimum Scaled Low to 0 and the maximum Scaled High to 100. Now, PLC values (on the left) will be converted to the following tag values (on the right):

-17.0 becomes 0
0.0 becomes 0
0.25 becomes 25
0.75 becomes 75
1.0 becomes 100
24.0 becomes 100

Any input value below the Raw Data minimum Low will be converted to the EngScaled Low. Data minimum. Any input above the Raw Data maximum High will be converted to the EngScaled High. Data maximum.

For a given tag value, the corresponding input value can be calculated using the formula below:

Input Value = (Tag Value – Eng. Data MinRaw Low) / (Eng. Data Max – Eng. Data MinScaled High – Scaled Low) * ( Raw Data Max – Raw Data MinHigh– Raw Low) + Raw Data Min

Low

Linear Slope

To use the Linear Slope method, select ‘Linear Slope’ from the drop-down menu. Next, enter the desired Slope and Intercept values in their respective fields. With this option, the tag value will be calculated using the formula below:

Tag Value = (Input Value * Slope) + Intercept

Example: Select an analog tag with data type UINT. For a Slope of 0.1 and an Intercept of 10:

Minimum value: (0 * 0.1) + 10 = 10,
Maximum value: (65535 * 0.1) + 10 = 6563.5

For a given tag value, the corresponding input value can be calculated using the formula below:

Input Value = (Tag Value – Intercept) / Slope

Square Root

To use the Square Root method, select ‘Square Root’ from the drop-down menu. Next, enter the desired Raw Low, Raw High, Scaled Low, and Scaled High values. With this option, the tag value will be exponentially scaled, such that the Raw Low is converted to the Scaled Low and the Raw High is converted to the Scaled High. Intermediate values are scaled exponentially, with a fixed exponent of 1/2. For a given input (raw) value, the exact output (tag) value can be calculated using the formula below:

Tag Value = (Scaled High – Scaled Low) * sqrt((Input Value - Raw Low) /(Raw High– Raw Low)) + Scaled Low

Any input value below the Raw Low will be converted to the Scaled Low. Any input above the Raw High will be converted to the Scaled High.

For a given tag value, the corresponding input value can be calculated using the formula below:

Input Value = ((Tag Value – Scaled Low) / (Scaled High – Scaled Low))^2 * ( Raw High– Raw Low) + Raw Low

Polynomial

To use the Polynomial method, select ‘Polynomial’ from the drop-down menu. Next, enter the desired Exponent, Slope, and Intercept values. With this option, the tag value will be exponentially scaled. For this option, the tag value will be calculated using the formula below:

Tag Value = Slope * (Input Value)^Exponent + Intercept

For a given tag value, the corresponding input value can be calculated using the formula below:

Input Value = ((Tag Value - Intercept)/(Slope))^(1/Exponent)

Deadband Type

Filters the original input data and discards any new input data that falls within a specified range of the last recorded tag value.

Absolute

To use the Absolute method, select ‘Absolute’ from the ‘Deadband’ drop down menu. Next, assign any numeric value in the ‘Deadband’. If the absolute difference between the current tag value and the last recorded tag value is greater than the Deadband value, the current value of the tag is sent. If the absolute difference is less than the Deadband value, the current value is filtered.

Example: Select a ‘DINT’ tag type and an ‘Absolute’ Deadband type. For a Deadband of 10:

Last Recorded Tag Value: 40

Current Tag Value: 12

Absolute Difference = |Last Recorded Tag Value - Current Tag Value|

For this case, the absolute difference between the two tags is 28. The absolute difference is higher than the Deadband, so the current tag value will be recorded. Next, say that the last recorded tag value remains at 40 with a new current tag value of 32. The absolute difference in this case would be less than the headband, so the current tag value would be filtered and the tag value would remain as the last recorded tag value.

Percent

To use the Absolute method, select ‘Absolute’ from the ‘Deadband’ drop down menu. Next, assign any numeric value in the ‘Deadband’. If the absolute difference between the current tag value and the last recorded tag value is greater than the Deadband value, the current value of the tag is sent. If the absolute difference is less than the Deadband value, the current value is filtered.

Example: Select a ‘DINT’ tag type and an ‘Absolute’ Deadband type. For a Deadband of 10:

Last Recorded Tag Value: 40

Current Tag Value: 12

Absolute Difference = |Last Recorded Tag Value - Current Tag Value|

For this case, the absolute difference between the two tags is 28. The absolute difference is higher than the Deadband, so the current tag value will be recorded. Next, say that the last recorded tag value remains at 40 with a new current tag value of 32. The absolute difference in this case would be less than the headband, so the current tag value would be filtered and the tag value would remain as the last recorded tag value.

Encoding

Selecting the ‘BCD’ option from the drop down menu enables binary-coded decimal encoding. With this mode enabled, the Analog tag’s value will be represented by a binary sequence. Note that Binary-coded decimal does not function the same as converting a decimal number to binary.

Item

Description

Max Length

Assign the maximum string length that can be written to the tag.
For virtual local tags, you can choose a value between 1 and 22. For real remote tags, the maximum length is only limited by the device memory. Note: Be careful to avoid overlapping device addresses. For example, if one string tag “STR1” begins at address D0 on a CIMON PLC, and another string tag begins at address D7, then STR1 should be no longer than 14 characters (7 words * (16 bits/word) / (8 bits/character) = 14 characters). Otherwise, editing one string may affect the other.

Initial Value

.