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User Manual for PuraLev
®
iF30SU
www.levitronix.com
PL-4078-00, Rev00, DCO# 20-228
24
4.2.7 Installation of RS485 Fieldbus Flow Control System Arrays
shows a typical multi-system arrangement with the
RS485
fieldbus and its basic specifications for
the
EasyConnect
Model.
Figure 23: Multi-system arrangement with EasyConnect models with RS485 fieldbus
(See Table 4 for cable specifications.)
Following points and information shall be considered:
➔
) are available to simplify the installation of a fieldbus array
as illustrated in
➔
Testing has been done with arrangements of 8 drive systems. Higher number is possible, but it is
recommended to contact
Levitronix
®
Technical Service
department (see
Section 8
) for details and
support.
➔
Address setting of the pump units can be done with the
Levitronix
®
Service Software
and a
PC.
A USB/RS485 converter cable with integrated initialization network can be ordered according to
➔
The fieldbus array must be terminated as illustrated in
. A dedicated connector with
integrated termination resistor (see
) is available.
➔
The
RS485 Modbus RTU
protocol for master communication is available at
Levitronix
®
on
request.
➔
Do not use multiple master systems at the same time and do not use closed ring arrangements.
4.2.8 Installation of Fieldbus for Blending
Blending setup with 2 pumps can be done as shown in
Same instructions can be followed as
mentioned in
Section 4.2.7
Integrated Flow Control
Driver
EasyConnect Model
#1
Power
Supply
PLC
Fieldbus
OUT
Fieldbus
IN
IPS Cable Signal
Integrated Flow Control
Driver
EasyConnect Model
#2
Power
Supply
PLC
Fieldbus
OUT
Fieldbus
IN
Integrated Flow Control
Driver
EasyConnect Model
#N
Power
Supply
PLC
Fieldbus
OUT
Fieldbus
IN
IPS Cable Signal
24 VDC
Supply
24 VDC
Supply
24 VDC
Supply
IP
S
C
a
b
le
P
o
w
e
r
Master
IP
S
C
a
b
le
S
ig
n
a
l
Fieldbus
Termination
Connector
120
510
510
5V
Initialization Network:
Always recommended.
To be implemented at the master.
RS485+
RS485-
Single-Use
Pump Head
Single-Use
Pump Head
Single-Use
Pump Head
Flow
Sensor
Flow
Sensor
Flow
Sensor
9
9
9
13
10a
10a
10b