III.
WIRING.
Warning! Read Safety Warning on page 1
before attempting to use this control.
A.
AC Power – The BC145 is powered with either 115 or
230V AC, 50/60 Hz by arranging the jumpers between
terminals “1” to “4” properly. See figures 2A and 2B. Be
sure unit is wired in accordance with the National
Electric Code and other codes that may apply. It is rec-
ommended that a 1 amp fuse be installed in series with
the AC line.
B.
Input Terminals – A voltage or current signal from a
microprocessor, tachometer, transducer, etc. is to be
connected to terminals “5” through “8.” The selection of
the proper terminal is based on the maximum level of
the input signal. See figures 3 and 4.
5
1
2
3
4
1A
FUSE
115V AC
Jumper
Jumper
FIGURE 2A – 115V CONNECTION
1
2
3
4
1A
FUSE
230V AC
Jumper
FIGURE 2B – 230V CONNECTION
Warning! To avoid erratic operation do not bundle AC
Line and motor wires with potentiometer, voltage fol-
lowing, enable, inhibit or other signal wiring. Use
shielded cables on all signal wiring over 12” (30 cm) –
Do not ground shield.
!