Jasic LS-15000F - Page 10

9
Weight
36kg
38kg
41kg
Overall
dimensions
357mm*728mm*445mm
2.1.5 Welding unit
Controller
Table 2-2 Definition of controller wiring
Plug
Definition
Signal
Type
Description
Power
supply
1
-15V
Input
Connected to the -15V port of ±15V switching
power supply
2
GND
Reference
ground
Connected to the COM port of ±15V switching
power supply
3
+15V
Input
Connected to +15V port of ±15V switching
power
4
GND
Reference
ground
Connected to the V- port of 24V switching power
supply
5
+24V
Input
Connected to the V+ port of 24V switching
power supply
LCD
screen
1
G
Reference
ground
Power ground
2
R
Sending
end
Data exchange
3
T
Receiving
end
Data exchange
4
V
Output
24V output voltage, providing 24V to the serial
port display together with 
Single
interfac
e 1
1
GND
Reference
ground
Air pressure alarm signal input port; To enable
(requires wiring), set the "Air Pressure Alarm
Level" on the display screen settings page to be
consistent with the actual air valve alarm level
used.
2
Gas pressure
alarm signal
Input
3
GND
Reference
ground
Water tank alarm signal input port; if required to
be enabled (the wiring is required), set the
"Water Cooler Alarm Level" on the display
screen settings page to a value consistent with
the actual water cooler alarm level used.
4
Water tank alarm
signal
Input
5
Reference ground
Connected to the workpiece, forms a loop with