Specifications

Allen-Bradley ControlLogix Ethernet Driver Help

Element Field Data Type Access

ACC Short, Word Read/Write

PRE Short, Word Read/Write

DN Boolean Read Only

TT Boolean Read Only

EN Boolean Read Only

Ranges

PLC Model File Number Max. Element

MicroLogix 4, 9-999 999

SLC 500 Fixed I/O 4, 9-255 255

SLC 500 Modular I/O 4, 9-999 999

PLC-5 Series 3-999 1999

Examples

Example Description

T4:0.ACC Accumulator of timer 0 file 4

T4:10.DN Done bit of timer 10 file 4

T15:0.PRE Preset of timer 0 file 15

Counter Files

Counter 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

C<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.

Element Field Data Type Access

ACC Word, Short Read/Write

PRE Word, Short Read/Write

UA Boolean Read Only

UN Boolean Read Only

OV Boolean Read Only

DN Boolean Read Only

CD Boolean Read Only

CU Boolean Read Only

Ranges

PLC Model File Number Max. Element

MicroLogix 5, 9-999 999

SLC 500 Fixed I/O 5, 9-255 255

SLC 500 Modular I/O 5, 9-999 999

PLC-5 Series 3-999 1999

Examples

Example Description

C5:0.ACC Accumulator of counter 0 file 5

C5:10.DN Done bit of counter 10 file 5

C15:0.PRE Preset of counter 0 file 15

Control Files

Control 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.