Technical Specifications

15
NI-FBUS Software
Installation of Hardware and
Sequencing for Configuration
Use this procedure for sequencing a configuration
1. Set network parameters for Slot time, Max Response Delay, and Inter PDU Delay.
Parameters examples used in the reference model are shown in Table 3. Settings
are different in each Foundation Fieldbus segment.
2. Save the as-found configuration.
3. Set node addresses.
4. Assign addresses to the basic devices.
5. Set tag names to unique values.
6. Link function blocks.
7. Schedule the function blocks.
8. Download the configuration to the devices.
9. Check Clear Devices option in NIFB Configurator download dialog box to remove
bad links.
10. Save a file of the configuration data.
11. Set the devices to their normal states.
Shutting Down ValVueFF
Always close ValVueFF before closing NIFB.
Table 3 Network Parameters for Reference Model
Tag FV
101
FT
102
TT
103
LV
201
LT
202
Network Setting Rule Network
Setting
Type FVP EJA YTA FVP DLT
Sub Index
Element
1 ST
Slot Time
444 4
Greatest of each Slot
Time
4
3 MRD
Max
Response
Delay
12/ST 3 3 3
Greater than 12/ST
3
6 MID
Min Inter PDU
Delay
444 4
Greatest of each Min
Inter PDU Delay
4