Issue
Changes between Unity 8.0 and Unity 8.1 for READ_VAR and WRITE_VAR

Product Line
EcoStruxure Control Expert (formerly known as Unity Pro)

Environment
Unity Pro v8.1

Resolution
The 'types Library Manager show that the version has changed in the READ_VAR and WRITE_VAR blocks.  The
online help and release notes do not describe the changes between Unity 8 and Unity 8.1  for the READ_VAR and
WRITE_VAR.

The changes is described below.

'READ_VAR':
Unity V8.0 READ_VAR version V1.01

• Added support Ethernet Remote IO drops.

Unity V8.1 READ_VAR version V1.02

• Added the attribute for the new Safety PLC (MC80 or M580)Safety. Only the attribute was modified, no functional changes were added.

'WRITE_VAR':
Unity 8.0 WRITE_VAR version 1.02

• Added support Ethernet Remote IO drops.

Unity 8.1 WRITE_VAR version 1.03

• Added the attribute for the new Safety PLC (MC80 or M580). Only the attribute was modified, and no functional changes were added.

Released for:Schneider Electric Thailand