<1. About PROFIBUS PA>
1-2
IM 12A01A02-72E
3rd Edition : Oct. 01, 2015-00
1.2
Logical Structure of Each BLOCK
Sensor
input
Physical block
Block tag
Parameters
Node address
Output
AI function
block
Block tag
OUT
Parameters
AI function
block
Block tag
OUT
Parameters
AI function
block
Block tag
OUT
Parameters
Block tag
Parameters
Sensor
Transducer
block
Figure 1.1
Logical Structure of Each Block
Node address, block tags and contained parameters within a function block are structured in the
FLXA21 device as shown in figure 1.1.
1.3
Wiring System Configuration
The number of devices that can be connected to a single bus and the cable length vary
depending on system design. When constructing systems, both the basic and overall design
must be carefully considered to allow device performance to be fully exhibited.