Message Definitions act as templates when adding messages to a Channel. They specify whether the message is being uploaded from equipment or downloaded to equipment and also list the different data fields that will be available in the message.
1. Select the Workcenter Bus Stop tab.
2. Click Messages.
A list of the existing message types is shown.
3. Click Add.
A new window opens.
4. Enter a name for the message definition.
5. Select a message direction:
o Upload from equipment.
o Download to equipment.
6. Enter a description in the default language.
7. Select the Fields tab.
8. Click Add.
A new window opens.
9. Select a Class Type. This is the type of data that is going to be collected and allows non-standardised data from the shop floor to be standardised within the B2MML structure.
10. Select a Data Type. This specifies the data format.
11. Enter a Name.
12. If required enter an Index for the message field. The index is required if more than one equipment is included in the message.
13. Enter a Description in the default language.
14. Click OK.
The field is added to the message definition.
15. Click Save.
The message definition is saved.