Allen-Bradley MicroLogix 1200 Reference Manual page 377

Outgoing Message Command Pending
Data Format
(1)
Address
S:33/2 binary
(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 at CS0:0.4/2.
See General Channel Status Block on page 3-14 for more information.
Communications Mode Selection
(1) Data Format
Address
S:33/3 binary
(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 at CS0:0.4/3.
See General Channel Status Block on page 3-14 for more information.
Communications Active
(1) Data Format
Address
S:33/4 binary
(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 at CS0:0.4/4.
See General Channel Status Block on page 3-14 for more information.
Scan Toggle Bit
Address Data Format
S:33/9 binary
The controller changes the status of this bit at the end of each scan. It is
reset upon entry into an executing mode.
Last 100 µSec Scan Time
Address Data Format
S:35 word
This register indicates the elapsed time for the last program cycle of the
controller (in 100 µs increments).
Range Type
0 or 1 status
Range Type
0 or 1 status
Range Type
0 or 1 status
Range Type
0 or 1 status
Range Type
0 to 32,767 status
System Status File C-17
User Program Access
read only
User Program Access
read only
User Program Access
read only
User Program Access
read/write
User Program Access
read/write
Publication 1762-RM001C-EN-P