Chapter 3 – Rockwell Automation 1785-L20C_L40C, D17856.5.14 ControlNet PLC-5 Programmable Controllers User Manual User Manual
Page 51

Chapter 3
Configuring Your ControlNet System
3-7
If you want to:
Do this:
specify the NUT
1. Move the cursor to the
Network
Update
Time
(ms)
field
2. Type a number between 2 and 100
3. Press
[Enter]
view the percent of scheduled bandwidth
used in the worst caseĊa percent that
changes depending on the NUT and the
completed mapĆtable entries
See the
Scheduled
Bandwidth
Usage
field
view the number of scheduled I/O mapĆtable
entries indicating data transfers between the
scanning processor and other nodes
See the
Map
Entries
field
view the percentage of bandwidth used for
the ControlNet PLCĆ5 processor that you
are using
See the
PLC
BW
(%)
field
view the percentage of the DIF being used
See the
DIF
(%)
field
view the percentage of the DOF being used
See the
DOF
(%)
field
change a module or message's type
1. Move the cursor to the entry's
Type
field
2. Press
[F10]—Select
Option
to toggle to your selection; or enter a unique substring
of the name of the new module or message type
change the ENPT for a module or message
1. Move the cursor to the entry's
Exp
Net
Pckt
Time
(ms)
field
2. Type a number between the NUT and 15000
3. Press
[Enter]
manually enter the destination file for
information received from a module or
messageĊe.g., a 1771ĆACN, 1794ĆACN,
or Peer In
1. Move the cursor to the entry's
Input
File
field
If the item is a digital module, I:" is displayed
If it is nonĆdiscrete or peerĆtoĆpeer input, the DIF is displayed
(Scheduled peerĆtoĆpeer inputs can also use the inputĆimage file)
2. For nonĆdiscrete or peerĆtoĆpeer input, type an offset between 0 and 999; for discrete or
peerĆtoĆpeer input, type an offset between 0 and the end of the input image
3. Press
[Enter]
manually enter the amount of information
received from a module or messageĊe.g.,
a 1771ĆACN, 1794ĆACN, or Peer In
1. Move the cursor to the entry's
Input
Size
field
2. Type a value
3. Press
[Enter]
manually enter the source file for information
sent to a module or in a messageĊe.g., a
1771ĆACN, 1794ĆACN, or Peer Out
1. Move the cursor to the entry's
Output
File
field
If the item is a digital module, O:" is displayed
If it is nonĆdiscrete or peerĆtoĆpeer output, the DOF is displayed
(Scheduled peerĆtoĆpeer outputs can also use the outputĆimage file)
2. For nonĆdiscrete or peerĆtoĆpeer output, type an offset between 0 and 999; for discrete or
peerĆtoĆpeer output, type an offset between 0 and the end of the output image
3. Press
[Enter]
manually enter the amount of information
sent to a module or in a messageĊe.g., a
1771ĆACN, 1794ĆACN, or Peer Out
1. Move the cursor to the entry's
Output
Size
field
2. Type a value
3. Press
[Enter]