Publication 1766-RM001A-EN-P - October 2008
Knowledgebase Quick Starts 647
Notes on using Interrupt bits
If the Auto Start bit (AS) is set, this will start the interrupt on power up
and set the Timed Interrupt Enabled bit (TIE) automatically, allowing the
interrupt to execute. Shown in the above example.
If the AS bit is not set then the TIE bit must be set through the ladder logic
in order for the interrupt to execute.
The User Interrupt Enable bit (UIE) determines if the interrupt executes or
not.
# 18465 “Quick Start”
RTC Synchronization
Between Controllers
The following example illustrates a message write from an SLC 5/03 or
higher processor to a Micrologix 1400 processor with RTC that has been
enabled.
This example can also be applied for messaging between MicroLogix
1100, 1200, 1400, and 1500 controllers. When messaging from a
MicroLogix 1100/1200/1400/1500 controller to MicroLogix 1100/1200/
1400/1500 controller it is recommended that RTC:0 be used as the source
instead of (S:37 - S:42).
Minimum Hardware/Software requirements
• All MicroLogix 1400
• MicroLogix 1200 Series B FRN 2
• MicroLogix 1500 Series B FRN 4
• RSLogix 500/RSLogix Micro v8.10.00
• All MicroLogix 1100
Example
The example shows network connections using DH-485, however DF1
Full or Half Duplex Ethernet/IP will also work.
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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