6-3
Section
Allocating PT Memory to the Host (Master)
77
A Configurator can be used to allocate a total of 4 blocks” blocks 1 and 2 in the
output area and input blocks 1 and 2 in the input area in any order.
CPU Unit
Output
block 1
Output
block 2
Input
block 1
Input
block 2
Blocks can be positioned in any order in memory,
e.g., the following order is okay: input block 1, output
block 2, input block 2, output block 1.
Address
Address
Address
Address
Address
Address
Address
Address
To Slaves
From Slaves
Addresses can be assigned
in any order
Output area
Input area
Slaves and blocks can be allocated in any order. The number of words (number
of bytes) that are used depends upon the addresses. The minimum is one byte
and the maximum is 64 bytes (32 words).
Setting Example
CPU Unit
Output
block 1
Input
block 2
Output
block 2
Address 5
IR Area
HR Area
Address 14
Address 3
Address 8
Address 10
Address 1
Address 6
Address 9
DM Area
Address 3
Address 11
Address 6
Address 7
Input
block 1
User-set (Free) Allocation