Emerson PNC001-A Series User Manual

PACSystems™ RX3i and RSTi-EP CPU Reference Manual Section 3
GFK-2222AK October 2019
CPU Configuration 55
Scan Parameters
Controller
Communication
Window Mode
(Available only when Sweep Mode is set to Normal.) Execution settings for the
Controller Communications Window.
Choices:
▪ Complete: The window runs to completion. There is no time limit.
▪ Limited: Time sliced. The maximum execution time for the Controller
Communications Window per scan is specified in the Controller Communications
Window Timer parameter.
Default: Limited.
Note: This parameter corresponds to the Programmer Window Mode parameter on
a Series 90-70 PLC.
Controller
Communications
Window Timer
(ms)
(Available only when Sweep Mode is set to Normal. Read-only if the Controller
Communications Window Mode is set to Complete.) The maximum execution time for
the Controller Communications Window per scan. This value cannot be greater than
the value for the watchdog timer.
The valid range and default value depend on the Controller Communications Window
Mode:
▪ Complete: There is no time limit.
▪ Limited: Valid range: 0 through 255ms. Default: 10.
Note: This parameter corresponds to the Programmer Window Timer parameter on
a Series 90-70 PLC.
Backplane
Communication
Window Mode
(Available only when Sweep Mode is set to Normal.) Execution settings for the
Backplane Communications Window.
Choices:
Complete: The window runs to completion. There is no time limit.
Limited: Time sliced. The maximum execution time for the Backplane Communications
Window per scan is specified in the Backplane Communications Window Timer
parameter.
Default: Complete.

Emerson PNC001-A Series Specifications

General

Brand	Emerson
Model	PNC001-A Series
Category	Controller
Language	English