Levitronix PuraLev i100SU User Manual page 25

4.2.6 Installation of RS485 Fieldbus Multi-Pump System Arrays
Figure 24 shows a typical multi-pump system arrangement with the RS485 fieldbus and its basic specifications
for the EasyConnect Model.
Single-Use
Pump Head
Integrated Pump Driver
EasyConnect Model
#1
Power
Fieldbus Fieldbus
PLC
Supply
IN OUT
7
24 VDC
Supply
8b
Figure 24: Multi-pump system arrangement with EasyConnect models with RS485 fieldbus
Following points and information shall be considered:
➔ Various standard cables (see Table 3) are available to simplify the installation of a fieldbus array
as illustrated in Figure 24.
➔
Testing has been done with arrangements of 8 pump systems. Higher number is possible but it
is recommended to contact Levitronix
and support.
➔
Address setting of the pump units can be done with the Levitronix
A USB/RS485 converter cable with integrated initialization network can be ordered according to
.
Table 3
➔
The fieldbus array must be terminated as illustrated in Figure 24. A dedicated connector with
integrated termination resistor (see Table 3) is available.
➔ The RS485 protocol for master communication is available at Levitronix
➔ Do not use multiple master systems at the same time and do not use closed ring arrangements.
4.2.7 Installation of Fieldbus for Serial Pumping
Serial pumping setup with up to 3 pumps can be done as shown in Figure 6
as mentioned in Section 4.2.6. A dedicated firmware for operating the array with one unit (including redundancy
behavior) is available on request.
PL-4063-00, Rev03, DCO# 20-275
Single-Use
Pump Head
Integrated Pump Driver
EasyConnect Model
#2
Power
Fieldbus
PLC
Supply
IN
8a
IPS Cable Signal
24 VDC
Supply
5V
7
510 
120 
510 
(See Table 3 for cable specifications)
®
Technical Service department (see Section 8) for details
Fieldbus
OUT
IPS Cable Signal
Initialization Network:
Always recommended.
To be implemented at the master.
RS485+
Master
RS485-
User Manual for PuraLev
www.levitronix.com
Single-Use
Pump Head
Integrated Pump Driver
EasyConnect Model
#N
Power
Fieldbus
PLC
Supply
8a
24 VDC
Supply
7
®
Service Software and a PC.
®
on request.
.
Same instructions can be followed
®
i100SU
Fieldbus
IN OUT
Fieldbus
Termination
Connector
10
25