Allen-Bradley MicroLogix 1200 Reference Manual page 374

C-14 System Status File
Publication 1762-RM001C-EN-P
Suspend Code
Address Data Format
S:7 word
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
Address Data Format
S:8 word
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)
(1) Data Format
Address
S:9 word
(1) This bit can only be accessed via ladder logic. It cannot be accessed via communications (such as a Message
instruction from another device).
This address is duplicated in the Communications Status File (CSx:0.27).
See Active Node Table Block on page 3-17 for more information.
Active Nodes (Nodes 16 to 31)
Data Format
(1)
Address
S:10 word
(1) This bit can only be accessed via ladder logic. It cannot be accessed via communications (such as a Message
instruction from another device).
This address is duplicated in the Communications Status File (CSx:0.28).
See Active Node Table Block on page 3-17 for more information.
Range Type
-32,768 to status
+32,767
Range Type
0 to 255 status
Range Type
0 to FFFF status
Range Type
0 to FFFF status
User Program Access
read/write
User Program Access
read/write
User Program Access
read only
User Program Access
read only