User Manual for LCO-i100 Console
www.levitronix.com
PL-4066-00, Rev03, DCO# 21-230
12
4.2.2 PLC Interface
Pin#
Pin
Name
Wire
Color
1
Description
Standard
Designation
2
Typical Levels
Note
1
Ain1p
white
Analog Input 1
High Pin
Speed
Setpoint
4..20 mA = 0..10000 rpm
Isolation with optocoupler. 350
Ω input resistance.
The designation can be changed in
PLC Interface Settings
on the Console touch screen (see LCO Console Software
Manual
PL-4067-00
). Options are
Flow Setpoint
and
Pressure Setpoint
.
2
Ain1n
brown
Analog Input 1
Low Pin
3
Din1p
yellow
Digital Input 1
High Pin
Speed Control
On/Off
24 V
On
(rotating and levitating)
0
V
Off
(not rotating and not levitating)
Isolation with optocoupler. Input resistance 2.2 kΩ.
Typical 24 V / 10 mA. Minimum for level detection is 5 V
(2 mA) and max. 30 V (13 mA).
The designation can be changed in the
PLC Interface
Settings
on the Console touch screen (see LCO Console
Software Manual
PL-4067-00
). Options are
Flow Control
On/Off
and
Pressure Control On/Off
. Furthermore, the
logic can be inverted.
4
Din1n
grey
Digital Input 1
Low Pin
5
Din2p
pink
Digital Input 2
High Pin
Reset
24 V (min. 5V)
active
0
V
not active
Isolation with optocoupler. Input resistance 2.2 kΩ.
Typical 24V / 16mA. Minimum for level detection is 5V
and max. 30V (20mA).
Is for example needed to clear an
Error
.
6
Din2n
blue
Digital Input 2
Low Pin
7
Dout1p
violet
Digital Output 1
High Pin
System State
Open
pump disabled.
Closed
pump enabled.
Isolated relay with max. 30 VDC / 1 A.
The designation can be changed in the
PLC Interface
Settings
on the Console touch screen (see LCO Console
Software Manual
PL-4067-00
). Options are to invert the
logic and to permanently open or close the relay.
Option: Can be switched by software to 24VDC output with
max load of 750 mA (PTC fuse non-isolated).
3
8
Dout1n
grey-
pink
Digital Output 1
Low Pin
9
Dout2p
blue-
red
Digital Output 2
High Pin
Error
Open
no error.
Closed
error of pump.
Isolated relay with max. 30 VDC / 1 A.
The display gives notifications with more details to the
background and potential mitigations (
see LCO Console
Software Manual
PL-4067-00 for more details).
Option: Can be switched by software to 24VDC output
with max load of 750 mA (PTC fuse non-isolated).
3
10
Dout2n
white-
green
Digital Output 2
Low Pin
shield
11
Aout1p
red
Analog Output 1
High Pin
Actual Speed
4..20 mA = 0..10000 rpm
Isolation with optocoupler. External 24 V source with load
shunt between 33-750
Ω is needed.
The designation can be changed in
PLC Interface Settings
on the Console touch screen (see LCO Console Software
Manual
PL-4067-00
). Options are
Actual Flow
and
Actual
Pressure.
12
Aout1n
black
Analog Output 1
Low Pin
Table 10: PLC connector of Console
1: Wires of compatible cables: ICS-2.1-xx 2: Designations are for standard firmware. Note 3: Not available on units older than 2018/19.
Figure 10: Connection example of PLC interface of Console to user interface
Levitronix Console
PLC Inter face Circuit
11: Analog Out High Pin
12: Analog Out Low Pin
1: Analog In High Pin
2: Analog In Low Pin
3: Digital I n 1 High Pin
4: Digital I n 1 Low Pin
5: Digital I n 2 High Pin
6: Digital I n 2 Low Pin
4..20 mA
Relay
with max.
30VDC/1A
7: Digital Out 1 High Pin
8: Digital Out 1 Low Pin
9: Digital Out 2 High Pin
10: Digital Out 2 Low Pin
24 VDC
4..20 mA
Digital Input
Digital Output
33-750
Ω
equiv. 350
Ω
2.2 k
Ω
24 VDC / 10 mA
2.2 k
Ω
Example of User Interface
2
1
24 VDC
GND
2
1
DC Out
24 VDC
with max.
750mA
2
1
24 V
GND
