Specifications

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Allen-Bradley DH+/DH-485 Device Driver Help
DVP
Real
Read/Write
DVN
Real
Read/Write
PVDB
Real
Read/Write
DVDB
Real
Read/Write
MAXI
Real
Read/Write
MINI
Real
Read/Write
TIE
Real
Read/Write
FILE
Word, Short
Read/Write
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
Example
Description
PD14:0.SP
setpoint field of PD 0 file 14
PD18:6.EN
status enable bit of PD 6 file 18
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 type depends on the field being accessed. Integer fields receive a default data type of Word.
Syntax
Data Type
MG<file>:<element>.<field>
Depends on field
The following file numbers and maximum element are allowed for each model.
PLC Model
File Number
Max Element
SLC 5/05 Open
NA
NA
PLC-5 Family
3-999
999
The following fields are allowed for each element. Refer to the PLC documentation for the meaning of each field. The
defeaults are shown in bold.
Element Field
Data Type
Access
ERR
Short, Word
Read/Write