Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001B-EN-P - April 2007
352 Communications Instructions
Message File Sub-Element 17 - Status Bits
Bit Address Description Paramete
r
Size User
Program
Access
15 Reserved N bit read only
14 MG11:0.0/ST Start:
1 = MSG transmitted and
acknowledged by target device
0 = MSG has not been received by
target
N bit read only
13 MG11:0.0/
DN
Done
1 = MSG completed successfully
0 = MSG not complete
N bit read only
12 MG11:0.0/ER Error
1 = error detected
0 = no error detected
N bit read only
11 Reserved N bit read only
10 MG11:0.0/
EW
Enabled and Waiting:
1=MSG Enabled and Waiting
0=MSG not Enabled and Waiting
N bit read only
1 to
9
Reserved N bit read only
0 MG11:0.0/R For PCCC Messaging:
Range (1 = Local, 0 = Remote)
For Modbus Messaging:
Range (1 = Local)
Y bit read only
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Allen-Bradley MicroLogix 1100 Specifications

General

Processor	32-bit
Programming Software	RSLogix 500
Mounting	DIN rail or panel mount
Power Supply	24V DC
Type	Compact PLC
Digital Inputs	12
Digital Outputs	8
Analog Inputs	4 (depending on model)
Analog Outputs	Optional with expansion module
Programming Language	Ladder Logic
Operating Temperature	0 to 55 °C (32 to 131 °F)
Series	MicroLogix