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

Page 51

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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]