Understanding slot addressing, Understanding slot addressing -32 – Rockwell Automation 1747-BSN Backup Scanner Module User Manual

Page 94

Publication 1747-UM010B-EN-P - September 2003

5-32 Configuration and Programming

Understanding Slot
Addressing

This section provides information about:

•

2-slot addressing

•

1-slot addressing

•

1/2-slot addressing

Understanding slot addressing is critical to most efficiently allocate
your scanner’s I/O image files.

Slot addressing refers to how each remote chassis slot is assigned a
specific amount of the I/O image. The amount depends on which
type of slot addressing you choose at your adapter; 2-slot, 1-slot, and
1/2-slot addressing is available, as shown below:

For more information on slot addressing, refer to your ASB module
user manual.

Note that slot addressing (e.g., 1/2-, 1-, and 2-slot) may not apply to
all types of RIO devices. Refer to each RIO device’s user manual to
determine the type of slot addressing required.

Two slots are addressed as one logical group.

Input Image

Output Image

2-Slot
Addressing

Remote Chassis

1-Slot
Addressing

Remote Chassis

One slot is addressed as one logical group.

Input Image

Output Image

1/2-Slot
Addressing

Remote Chassis

One slot is addressed as two logical groups.

Input Image

Output Image

Slot 2

Slot 1