Tweco 281 Thermal Arc Fabricator - Manual (Page 44)

FABRICATOR 281
4-6 April 10, 2006
To make connections, align keyway, insert plug, and rotate threaded collar fully clockwise. The socket information
is included in the event the supplied cable is not suitable and it is necessary to wire a plug or cable to interface with
the Wirefeeder 7pin receptacle.
7
4 3 5
2 1
7 6
Art # A-07478
Figure 7 - Wirefeeder 7 pin receptacle
Socket Pin Function
1 Output to energise the power supply contactor, 24VAC
(contact closure is provided between socket pins 1 and 2 to energise the contactor)
2 24VAC circuit active
3 Power Source thermostat
4 Power Source thermostat
5 24VAC circuit common
6 Power Source Negative Welding Terminal
7 Power Source Positive Welding Terminal
Table 4-2: Wirefeeder Control Socket Pins