Tweco 500P PowerMaster - Manual (Page 39)

POWERMASTER 500, 500P, 350
Manual No. 0-4749 4-7 OPERATION
P) 24 VAC auxiliary power high side (same as pin D)
R) 24/115 VAC neutral (same as pin E)
S) N/C
T) N/C
U) Scaled output current signal: Ifb = 100 Amps/Volt
V) N/C
If a remote control is plugged into both the 14 pin
and 19 pin receptacles the device plugged into the 19
pin receptacle will have control over the output current
or voltage. Either device can control the output
contactor circuit.
3. Duplex Receptacle: This receptacle can provide up to
10 amps of 120 VAC auxiliary power for powering wire
feeders, water circulators, etc.
4. Fuse (Internal): This fuse protects the control
transformer in the power source. If the fuse opens it
should be replaced with a like amperage and voltage,
(20 amps, 600VAC).
5. Input Power Access: This opening provides access to
the input terminal block for the input cable. Refer to the
installation chapter of this manual for detailed
instructions.