Specifications

Allen-Bradley ControlLogix Ethernet Driver Help
ELEM Word, Short Read/Write
EN Boolean Read/Write
CT Boolean Read/Write
CL Boolean Read/Write
PVT Boolean Read/Write
DO Boolean Read/Write
SWM Boolean Read/Write
CA Boolean Read/Write
MO Boolean Read/Write
PE, Boolean Read/Write
INI Boolean Read/Write
SPOR Boolean Read/Write
OLL Boolean Read/Write
OLH Boolean Read/Write
EWD Boolean Read/Write
DVNA Boolean Read/Write
DVHA Boolean Read/Write
PVLA Boolean Read/Write
PVHA Boolean Read/Write
Ranges
PLC Model File Number Max. Element
MicroLogix NA NA
SLC 500 Fixed I/O NA NA
SLC 500 Modular I/O NA NA
PLC-5 Series 3-999 999
Examples
Example Description
PD14:0.SP Set point field of PD 0 file 14
PD18:6.EN Status enable bit of PD 6 file 18
MicroLogix Message Files
Message files are a structured type whose data is accessed by specifying a file number, an element, and a field.
The default data types are shown in bold.
Syntax Data Type Access
MG<file>:<element>.<field> Depends on field Depends on field
The following fields are allowed for each element. For the meaning of each field, refer to the PLC's documentation
for the meaning of each field.
Element Field Data Type Access
IA Word, Short Read/Write
RBL Word, Short Read/Write
LBN Word, Short Read/Write
RBN Word, Short Read/Write
CHN Word, Short Read/Write
NOD Word, Short Read/Write
MTO Word, Short Read/Write
NB Word, Short Read/Write
TFT Word, Short Read/Write
TFN Word, Short Read/Write
ELE Word, Short Read/Write
SEL Word, Short Read/Write
TO Boolean Read/Write
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