Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001C-EN-P - October 2009
480 System Status File
Suspend Code
When the controller executes an Suspend (SUS) instruction, the SUS code
is written to this location, S:7. This pinpoints the conditions in the
application that caused the Suspend mode. The controller does not clear
this value.
Use the SUS instruction with startup troubleshooting, or as runtime
diagnostics for detection of system errors.
Suspend File
When the controller executes an Suspend (SUS) instruction, the SUS file is
written to this location, S:8. This pinpoints the conditions in the
application that caused the Suspend mode. The controller does not clear
this value.
Use the SUS instruction with startup troubleshooting, or as runtime
diagnostics for detection of system errors.
Active Nodes (Nodes 0 to 15)
This address is duplicated in the Communications Status File (CSx:0.27).
SeeActive Node Table Block on page 69 for more information.
Address Data Format Range Type User Program Access
S:7 word -32,768 to
+32,767
status read/write
Address Data Format Range Type User Program Access
S:8 word 0 to 255 status read/write
Address
(1)
(1) This bit can only be accessed via ladder logic. It cannot be accessed via communications (such as a Message
instruction from another device).
Data Format Range Type User Program Access
S:9 word 0 to FFFF status read only
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Allen-Bradley MicroLogix 1100 Specifications

General

Brand	Allen-Bradley
Model	MicroLogix 1100
Category	Controller
Language	English