Voltage Sensing - Miller Maxtron 450 Owner's Manual

3-5.
Voltage Sensing Terminal Connections
3-6. Remote 14 Receptacle Information
The remaining sockets
are
not used.
24 VOLTS AC
G*
OUTPUT
(cONTACTOR)
A 24 volts
ac.
Protected by circuit breaker CB2.
B Contact closure to A completes 24 volts
ac
contactor
control
circuit.
REMOTE OUTPUT
CONTROL
C Command reference; +10 volts dc in Cv, o to +10 volts dc in
CC.
D
.
Remote control
circuit
common.
E 0 to +10 volts dc input command signal from remote control.
A ItI
AMPERAGE
VOLTAGE
F Current feedback; +1 volt dc per 100 amperes.
H Voltage
feedback;
+1 volt dc per 10
arc
volts.
115 VOLTS AC
f~
OW~UT
~-~
(cONTACTOR)
I 115 volts
ac.
Protected
by
circuit breaker CB1.
J Contact closure to I
completes
115 volts
ac
contactor control
circuit.
The voltage sensing terminals pro
vide exact voltage
measurement at
the
welding
arc.
1
Positive (+) Voltage Sensing
Terminal
2 Negative () Voltage Sensing
Terminal
3 Receptacle
4 Proper Plug (Not Supplied)
5 18 Gauge Lead (Not
Supplied)
6 Nut
7 Lead Hole
For Electrode Positive
(DCEP),
connect remaining end of negative
()
terminal lead
to
work. Connect
remaining
end of positive (+) termi
nal lead to weld cable conductor at
electrode holder end of weld cable.
For Electrode Negative (DCEN),
reverse
terminal lead connections.
Ref. ST-BOO 764 / Ref. ST-152 885-A
REMOTE 14
Socket~ Socket Information
Ref. ST-800
764
GND
K
Chassis
common.
G Circuit
common
for 24 and 115 volts
ac
circuits.
OM-167 302
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