I/O Allocations To Componet Master Unit; Overview Of I/O Allocations - Omron GRT1-CRT - 05-2008 Operation Manual

I/O Allocations to CompoNet Master Unit

5-3

I/O Allocations to CompoNet Master Unit

5-3-1

Overview of I/O Allocations

42
The system allocates words in an Input Area and Output Area to the Smart-
Slice I/O Units using the node number of the SmartSlice I/O Terminal. These
words are in the I/O memory of the CPU Unit of the CompoNet Master Unit.
You can also use the CX-Integrator to set I/O allocations.
Note You can also use Software I/O Allocation Mode to allocate words to a Dummy
Unit. A Dummy Unit is a SmartSlice I/O Unit that is not connected in the
SmartSlice I/O Terminal. Refer to 6-7 Software Setting of I/O Allocations on
page 60 for more information.
This section gives an overview of I/O allocations to the CompoNet Master
Unit.
CPU Unit
Bit 15
First word
First word + 1
D
First word + 2
CompoNet
Communications
Unit
1. Status of the CompoNet Communications Unit
The Status Word shows the status of the SmartSlice I/O Units in the
SmartSlice I/O Terminal.
2. I/O Data for SmartSlice I/O Units
The system allocates the bits or words to the SmartSlice I/O Units in the
SmartSlice I/O Terminal in the same sequence as the unit numbers. It al-
locates lower bits first and words with lower addresses first.
I/O memory
Bit 0
8
Allocation
sequence
C B
A
E
F
A B
Bit Units
Slice I/O Units
Section 5-3
1. Status of CompoNet
Communications Unit (1 word)
2. I/O data for Slice I/O Units
3. Participation status of the
Slice I/O Units (8 words)
D
C E F
Unit number
sequence
Word Units