Specifications

Allen-Bradley DH+ Driver Help

O:0 word 0

O:37 word 31 (37 octal=31 decimal)

O/42 bit 34 (42 octal=34 decimal)

O:2/2 bit 2 word 2 (same as O/42)

SLC Family Addresses

O:1 word 0 slot 1.

O:1.0 word 0 slot 1 (same as O:1).

O:12 word 0 slot 12.

O:12.2 word 2 slot 12.

O:4.0/0 bit 0 word 0 slot 4.

O:4/0 bit 0 slot 4 (same as O:4.0/0).

O:4.2/0 bit 0 word 2 slot 4.

O:4/32 bit 32 slot 4 (same as O:4.2/0).

Input Files

The syntax for accessing data in the input file depends on the PLC model. Data locations are Read/Write for PLC-5

Models and Read Only for all other models. Arrays are not supported. The default data type for all syntax is shown

in bold.

Note: PLC-5 Model Word and bit address information is in octal. This follows the convention of the programming

software.

PLC-5 Model Syntax

Syntax Data Type

I:<word> Short, Word, BCD

I:<word>/<bit> Boolean

I/bit Boolean

SLC Family Open Models (Modular I/O) Syntax

Syntax Data Type

I:<slot> Short, Word, BCD

I:<slot>.<word> Short, Word, BCD

I:<slot>/<bit> Boolean

I:<slot>.<word>/<bit> Boolean

The following slot and word locations are allowed for each model.

PLC Model Min Slot Max Slot Max Word

SLC 5/05 1 30 *

PLC-5 Family NA NA 277

*For information on the number of input or output words available for each I/O module, refer to Modular I/O

Selection Guide.

Note: For more information on slot configuration, refer to Device Setup.

Examples

PLC-5 Addresses

I:0 word 0

I:10 word 8 (10 octal=8 decimal)

I/20 bit 16 (20 octal=16 decimal)

I:1/0 bit 0 word 1 (same as I/20)

SLC Family Addresses

I:1 word 0 slot 1.

I:1.0 word 0 slot 1 (same as I:1).