Documentation issue status

1.2.1

• Update chapter “Technical data”
• Chapter “Notes on information security” added
• Update structure

1.2.0

• Update chapter “Technical data”
• Chapter “Acyclic communication” added
• Update structure

1.1.1

• Update chapter “Technical data”
• Update structure

1.1.0

• Update chapter “Technical data”
• Update structure

1.0.0

• 1^st Public issue EK9500
• Addenda

0.0.4

• Corrections

0.0.3

• Addenda CIP objects

0.0.2

• Addenda, corrections

0.0.1

• Preliminary version