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SLC 500 Modular I/O

3, 9-999

999

PLC-5 Series

3-999

1999

77

Allen-Bradley ControlLogix Ethernet Driver Help

The maximum word location is one less when accessing as a 32 bit data type (such as Long, DWord, or Long BCD).

Examples Example B3:0 B3/26 B12:4/15 B3:10 [20] B15:0 [6] [6]

Description Word 0 Bit 26 Bit 15 word 4 20 element array starting at word 10 6 by 6 element array starting at word 0

Elem

ent 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

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

The following fields are allowed for each element. For the meaning of each field, refer to the PLC's documentation.

Ranges

Timer Files

Examples Example T4:0.ACC T4:10.DN T15:0.PRE

Description Accumulator of timer 0 file 4 Done bit of timer 10 file 4 Preset of timer 0 file15

Timer 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 T<file>:<element>.<field>

Data Type

Access

Depends on field

Depends on field

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 C<file>:<element>.<field>

Data Type

Access

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.

Data Type

Access

Word, Short

Read/Write

Word, Short

Read/Write

Boolean

Read Only

Elem ACC PRE UA

ent Field

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