Levitronix PuraLev i100MU 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
1
Inlet
PC Connection:
- System configuration
- Service and 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
Inlet
1
PC Connection:
- System configuration
- Service and Firmware update
- Monitoring
Figure 9: System configuration OEM Ex model for speed control
PL-4075-00, Rev02, DCO# 20-275
Integrated Pump Driver
OEM Model
USB to RS485
Converter with Cable
(Pressure or flow control with external sensor, details in Section 4.3.1)
Ex classified Location
2d
Integrated Ex Pump Driver
OEM Model
5
USB to RS485
Converter with Cable
®
flowmeters.
Outlet
Flow
or Pressure
Sensor
2a
Cable Bushing
Integrated Driver Cable
Screw type connector for
open-wires connection included in
converter cable package.
Fieldbus
RS485 of Driver
5
Cable Bushing
Integrated Driver Cable
Ex conform cable
sealing system
Screw type connector for
open-wires connection included in
converter cable package.
Fieldbus
RS485 of Driver
User Manual for PuraLev
www.levitronix.com
4a
AC/DC
Power
Supply
(24VDC, DIN-Rail)
DC Output
Sensor Feedback for
Flow or Pressure Control
Open Wires
PLC Interface:
- Analog and Digital IO s
- Remote Control
Fieldbus Interface:
- Remote control with fieldbus
- Connection to PC
Cabinet Boundary for
Ex classified Area
AC/DC
Supply
4a
(DIN-Rail)
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
Fieldbus Interface:
- Remote control with fieldbus
- Connection to PC
®
i100MU
AC Input
Power
AC Input
8