Specifications

MedWeld 3000 Catalog Revision 8
July 2002 Page 46 of 72
MedWeld 3005 3-Phase to DC Weld Controls
Single MedWeld 3-Phase System
The MedWeld 3005 can be configured for Three-
Phase to DC applications. The flexibility of the
Allen-Bradley SLC 500 system permits some
unique and innovative solutions for welding.
Analog interface solutions are readily available.
Even more unique is the possibility of
configuring cascade three phase systems.
WTP – Single MedWeld Three-Phase
The MedWeld processor resides in the
Allen-Bradley SLC 500 rack. It is
interfaced to three sets of inversed parallel
SCRs for controlling three phases to DC
welding transformer.
A single MedWeld 3005 weld processor
utilizes a firing board multiplexer to
sequence the firing of the SCRs in proper
rotation and order.
“W” signifies that there will be one
MedWeld module.
“TP” signifies that there will be one Three-
Phase assembly that comprises of one
FBM, three firing cards, three SCRs, and
three current monitoring coils.
WTP=2500 means that the SCRs are
rated at 2500 amperes – 50% duty cycle.