Publication 1756-UM001A-EN-P - September 2000
Communicate with 1771 I/O Over a ControlNet
™
Network
5-5
H.
Type the rate at which the fastest device in the chassis must
update.
•
Use a power of two times the ControlNet NUT.
•
For example, if the NUT is 5 ms, type a rate of 5, 10, 20 ms,
etc.
I.
Initially, do you want the module to communicate with the
controller?
J.
If communication with the module fails, how do you want the
controller to respond?
K.
Click
Finish
.
42401
I.
J.
H.
If:
Then:
Notes:
Yes
Leave the check box cleared
(unchecked).
No
Select the check box.
When you test this portion of the
system, clear the check box.
ATTENTION
!
If communication with a module fails, the
controller operates on old data from the
module. To avoid potential injury or damage,
either monitor communications with modules
or configure modules to produce a major fault
if communications fail.
If you want the
controller to:
Then:
Notes:
fault (major fault)
Select the check box.
continue operating
Leave the check box
cleared (unchecked).
Monitor the connection
using ladder logic.
Summary of Contents for Allen-Bradley ControlLogix 1756-L Series
Page 1: ...ControlLogix System 1756 Lx User Manual ...
Page 10: ...Publication 1756 UM001A EN P September 2000 Table of Contents vi ...
Page 64: ...Publication 1756 UM001A EN P September 2000 4 16 Communicate with 1756 I O Notes ...
Page 152: ...Publication 1756 UM001A EN P September 2000 11 4 Monitor Connections Notes ...
Page 160: ...Publication 1756 UM001A EN P September 2000 12 8 Communicate with a DeviceNet Device Notes ...
Page 204: ...Publication 1756 UM001A EN P September 2000 15 16 Communicate Over a Remote I O Network Notes ...
Page 266: ...Publication 1756 UM001A EN P September 2000 21 10 Maintain the Battery Notes ...
Page 286: ...Publication 1756 UM001A EN P September 2000 B 18 Estimate Execution Time Notes ...
Page 300: ...Publication 1756 UM001A EN P September 2000 C 14 Estimate Memory Use Notes ...
Page 305: ......
Page 307: ...ControlLogix System User Manual ...