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Allen-Bradley MicroLogix 1200 Reference Manual

Allen-Bradley MicroLogix 1200
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Publication 1762-RM001C-EN-P
C-14 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).
See Active Node Table Block on page 3-17 for more information.
Active Nodes (Nodes 16 to 31)
This address is duplicated in the Communications Status File (CSx:0.28).
See Active Node Table Block on page 3-17 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
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:10 word 0 to FFFF status read only

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Allen-Bradley MicroLogix 1200 Specifications

General IconGeneral
SeriesMicroLogix 1200
TypeProgrammable Logic Controller (PLC)
MountingDIN rail or panel mount
Programming LanguageLadder Logic
Programming SoftwareRSLogix 500
I/O PointsUp to 40
Communication PortsRS-232, RS-485
Memory6 KB user memory
Power Supply24V DC or 120/240V AC
ExpansionSupports expansion I/O modules
Operating Temperature0°C to 55°C (32°F to 131°F)
Dimensions90 mm x 110 mm
Weight0.5 kg (1.1 lbs)

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