Levitronix PuraLev i100SU User Manual page 8

The PLC interface of the OEM model enables the implementation of precise closed loop flow or pressure
control in connection with either a flow or pressure sensor (see Figure 8). Precise ultrapure flow control
systems can be realized in combination with LEVIFLOW
3
Bayonet Socket
with Locking Pin
Inlet
Integrated Pump Driver
1
PC Connection:
USB/RS485
- System configuration
Converter Cable
- Firmware update
- Monitoring
Figure 8: System configuration of OEM model for process control
2.2.4 System Configuration for OEM ATEX / IECEx Models
Together with the standard pump head an ATEX / IECEx certified pump driver allows installation of the pump
within an Ex classified area (see Figure 9 and Figure 10). One option to lead the driver cable outside the Ex
area is to use an Ex certified cable sealing system as listed in Table 3.
Outlet
3
Inlet
1
PC Connection:
- System configuration
- Service and Firmware update
- Monitoring
Figure 9: System configuration OEM Ex model for speed control
PL-4063-00, Rev03, DCO# 20-275
2a
Cable Bushing
OEM Model
Screw type connector for
open-wires connection
included in converter cable
package.
5
(Pressure or flow control with external sensor, details in Section 4.3.1)
Ex classified
Location
Bayonet Socket
2d
with Locking Pin
Integrated Ex Pump Driver
OEM Model
5
USB to RS485
Converter with Cable
®
flowmeters.
Flow
or Pressure
Sensor
Outlet
Integrated
Open
Driver Cable
Wires
Fieldbus RS485
24VDC
Cable Bushing
Integrated Driver Cable
Screw type connector for
open-wires connection included in
converter cable package.
Fieldbus
RS485 of Driver
User Manual for PuraLev
www.levitronix.com
4a
Sensor Feedback for
Flow or Pressure Control
(24VDC, DIN-Rail)
PLC Interface:
- Analog and Digital IO s DC Output
- Remote Control
User Panel
4a
Cabinet Boundary for
Ex classified Area
DC Output
DC Supply 24 V
Open Wires
PLC Interface:
- Analog and Digital IO s
- Remote Control with Speed Signal
11 - Flowcontrol with external Sensor
- Pressure Control with ext. Sensor
Ex conform cable
sealing system
Fieldbus Interface:
- Remote control with fieldbus
- Connection to PC
®
i100SU
AC/DC
Power
Supply
AC Input
AC/DC
Power
Supply
(DIN-Rail)
AC Input
8