Understanding slot addressing, Understanding slot addressing -32 – Rockwell Automation 1747-SN Remote I/O Scanner User Manual
Page 76

Publication 1747-UM013B-EN-P - January 2005
4-32 Scanner Configuration and Programming
M1:e.32 - communication retry counter for RIO logical rack 8, group 0
M1:e.33 - not used in this example
M1:e.34 - not used in this example
M1:e.35 - not used in this example
M1:e.36 - communication retry counter for RIO logical rack 9, group 0
M1:e.37 - not used in this example
M1:e.38 - not used in this example
M1:e.39 - not used in this example
M1:e.40 - communication retry counter for RIO logical rack 10,
group 0
M1:e.41 - not used in this example
M1:e.42 - not used in this example
M1:e.43 - not used in this example
M1:e.44 - communication retry counter for RIO logical rack 11,
group 0
M1:e.45 - communication retry counter for RIO logical rack 11,
group 2
M1:e.46 - not used in this example
M1:e.47 - not used in this example
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: