Logical Structure Of Each Block; Wiring System Configuration - YOKOGAWA digitalYEWFLO Series User Manual

3.3 Logical Structure of Each
Block
digital
System/network management VFD
YEWFLO
PD tag
Node address
Link master
Function block VFD
Temp.
Sensor
signal
input
(option
Transducer
/MV)
block
model with the option
AI1 function
Block tag
Flow
Sensor
Block tag
rate
input
Parameters
signal
Parameters
Resource block
Block tag
Parameters
Figure 3.1

Logical Structure of Each Block

Various parameters, the node address, and the PD
tag shown in Figure 3.1 must be set before using
the device. Read Chapter 4 and onward for the
setting procedures.
3.4 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 achieve optimal performance.
Communication parameters
VCR
Function block
execution schedule
PID function block
(option /LC1)
IT function
block
function
AR
block
DI2 function
block
DI1 function
block
function
AI3
block
AI2 function block
(outputting the
temperature for a
/MV)
block
OUT
F0301.ai
<3. ABOUT FIELDBUS>
3-2
IM 01F06F00-01EN