Rockwell Automation 1779-KP3R DATA HIGHWAY II - Manual (Page 25)

Installing the 1779-KP3
Communication Interface
Chapter 2
2Ć9
The Message Time-outs Menu
When you choose option 1, you receive the Message Time-outs menu:
KP3 1, MESSAGE TIMEOUTS
1 TIME CRITICAL TIMEOUT
2 SUPERVISORY TIMEOUT
ENTER NEXT >
3 THIRD-PARTY TIMEOUT
This
option:
allows you to: Minimum value: Maximum
Value:
Default
Value 1 :
1 set the time-out for
time-critical messages.
0.01 seconds 10.00 seconds .50 seconds
2 set the time-out for
supervisory messages.
Use to send information
that in not time critical,
such as reports.
0.01 seconds 650.00 seconds 1.00 seconds
3 (Not available with this release.)
1 The default value appears the first time you use this menu.
Important: You must enter the time–out value for time–critical and
supervisory messages with a decimal point and two digits to the right of it.
The Token Hold Factor Menu
When you select option 2 from the Data Highway Interface menu, you
receive the Token Hold Factor menu:
KP3 1, TOKEN HOLD FACTOR
FACTOR = 1
ENTER FACTOR >
This menu allows you to set and display the amount of time a node is
allowed to possess the token before passing it to the next node. The menu
allows you to change the link–layer token hold factor.
You can enter a number from 1 to 256, the default factor is 1. With a
factor of 1, the node will hold the token for the standard hold time. The