Tweco ArcMaster 401S - Manual (Page 29)

ARCMASTER 401S POWER SOURCE
Manual 0-5345 3-9 INSTALLATION, OPERATION AND SETUP
11 14 Pin Remote Control Socket
The 14 pin Remote Control Socket is used to connect Remote Control devices to the welding Power Source.
To make connections, align keyway, insert plug, and rotate threaded collar fully clockwise.
Pin Function Description
A +16VDC contactor
16 VDC supply voltage for contactor. Connect A & B for
contactor enable.
B Contactor in Contactor input. Connect A & B for contactor enable.
C +10VDC Remote Ctrl (Max) 10 VDC for remote potentiometer supply
D Remote ctrl ground/common (min) Also control circuit common
E Remote Input 0<=Vin<=10V
F n.c.
G Chassis ground
H n.c.
I n.c.
J n.c.
K CAN_high CAN bus; positive signal
L CAN_low CAN bus; negative signal
M Current detect relay 1 Relay contact between M & N will close while welding is active
N Current detect relay 2
Table 3-2 14 Pin Interconnection Control Plug Configuration
12 ON/OFF Switch
This switch connects the Primary supply voltage to the inverter when in the ON position. This enables the
Power Supply.
!
WARNING
When the welder is connected to the Primary supply voltage, the internal electrical components may
be at 500V potential with respect to earth.
13 Input Cable
The input cable connects the Primary supply voltage to the equipment.