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User Manual for PuraLev
®
iF30SU
www.levitronix.com
PL-4078-00, Rev00, DCO# 20-228
25
4.3 Electrical Installation of OEM Model
4.3.1 Overview Wire Designation of Driver Cable
Wire
Name
Wire
Color
Description
Standard
Designation
Typical Levels
Note
P+
red
+ 24 VDC
Supply
Voltage: 24 VDC ±10%
Power: 35 W
P- to be connected to earth.
P-
black
Power Input
Ground / Earth
Ain1
violet
Analog Input 1
(Current Input)
Reference Value
(Set Flow or
Speed)
4..20 mA = 0..100% of full scale flow
4..20 mA = 0..16000 rpm
Speed limit = 13000 rpm
Cutt-off speed = 0 rpm
For Flow Control mode (default mode).
For Speed Control Mode.
450 Ohm shunt input, no galvanic isolation.
The designation of the analog inputs can be changed
with
Levitronix
®
Service Software.
Ain2
grey-
pink
Analog Input 2
(Voltage Input)
Configurable as
setpoint input
0..10 V
Analog voltage input: 0
– 10V
(7.9 kOhm, no galvanic isolation).
Note: Max. input voltage of 11 V shall not be
exceeded.
The designation of the analog inputs can be changed
with
Levitronix
®
Service Software.
Ain_GND blue
Analog Input
Ground
--
--
Reference for analog inputs Ain1 and Ain2.
Din1
pink
Digital Input 1
Enable Flow
Control Mode
(Reset)
5-24 V
Flow control active
0 V
Flow control not active
Galvanic separation with optocoupler and
2.2 k
input resistance.
The “
Enable
” signal switches the system on and off.
Resets pump from error state with 300-700ms pulse.
Din2
grey
Digital Input 2
Zero Adjust
Edge triggered: 0 V
5-24 V
Galvanic separation with optocoupler and
2.2 k
input resistance.
Triggers a Zero Adjust of the flow sensor.
Din_COM yellow
Common
Digital Input
--
--
--
Aout1
blue-
red
Analog Output
(Voltage Output)
Actual Flow
Value
0..10 V = 0..100% of full scale
Direct connection, no protection. Galvanic isolation on
user side is required. GND is reference.
The configuration of the analog output can be changed
with
Levitronix
®
Service Software
.
Dout1
brown
Digital Output 1
Status Pump
Closed circuit
active, pump running
Open circuit
not active, system off or error
Open drain, max. 24V, 100mA
This signal indicates the state of the system. If not
active, pump is either in “Off” or in “Error” state.
The configuration of the digital outputs can be
changed with
Levitronix
®
Service Software.
Dout2
white
Digital Output 2
Status
Flow Sensor
Closed circuit
active, measurement o.k.
Open circuit
not active, measure. error
Slow blinking (2 Hz)
Zero Adjust error
Fast blinking (10 Hz)
Zero Ad. in progress
Open drain, max. 24V, 100mA
The configuration of the digital outputs can be changed
with
Levitronix
®
Service Software.
GND
white-
green
Analog Ground
--
--
Reference for Aout1, Dout1 and Dout2
RS485+
brown-
green
RS485 +
Fieldbus
Modbus RTU protocol
Termination resistors recommended
RS485-
white-
yellow
RS485 -
Shield
shield
wire
Shielding
Shielding
To be connected to earth
(see wire P-, black)
Table 15: Signals of the driver cable with designation for standard firmware
Note 1: For other configurations of PLC Inputs and Outputs refer to relevant firmware documentation
Note 2: Configurations can be done with Levitronix
®
Service Software
Note 3: Power wires (P+, P-) have cross section 1.5 mm
2
and all others 0.14 mm
2