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Siemens TCP/IP Ethernet Driver Help

The client must access the data using the array element tags that were generated.

Notes:

1. Variables with the STEP 7 data types of DATE, DATE_AND_TIME, STRING, TIME, and TIME_OF_DAY

generate tags with the string data type (for which arrays are not supported).

2. During automatic tag generation for arrays of complex types (such as structures, user-defined types,

function blocks, or system function blocks), this warning message only occurs for tags of the first

element of the complex type array.

Unable to generate tag(s) on device <device> for <tag group>. Created tag

<tag name> with address <tag address> due to internal block size.

Error Type:

Warning

Possible Cause:

While parsing the data blocks of the STEP 7 project for automatic tag generation, an array variable was

encountered that exceeds the internal block size. Although all individual array element tags generate as

expected, the array tag itself is generated with a dimension that allows it to fit within the block size.

Solution:

To use array tags and not the individual array element tags, determine the address where the array tag leaves

off. Then, manually generate another tag to address the remainder of the array.

Notes:

1. For example, if data block 1 begins with an array of 64 REAL, there would be 64 array element tags with

addresses DB1,REAL0; DB1,REAL4;... DB1, REAL248; DB1,REAL252. Because the size of the array

exceeds the internal block size of 218, the array tag would only be created with 54 dimensions

("DB1,REAL0[54]"). The array tag does not provide the client with the data for the last 10 elements. If the

client wants to use array tags and not the individual array element tags, another tag with the address

"DB1,REAL216[10]" must be manually created.

2. During automatic tag generation for arrays of complex types (such as structures, user-defined types,

function blocks, or system function blocks), this warning message only occurs for tags of the first

element of the complex type array.

Windows code page warning for device <channel.device>: A required code

page (<nnnn>) is unavailable on this machine. Tag generation may fail or tag

names and descriptions may not appear as expected.

Error Type:

Warning

Possible Cause:

The computer is not configured with support for the specified Windows code page.

Solution:

1. Install any language packs that are necessary for displaying the Windows code page character set.

2. Move to a computer that supports the Windows code page.

Driver Error Messages

The following error/warning messages may be generated. Click on the link for a description of the message.

Winsock initialization failed (OS error= n).

Winsock V1.1 or higher must be installed to use the Siemens TCP/IP Ethernet device driver.

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