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ISP - Rev 6/95
b) Enable by High
Inhibit/CW/CCW functions will be de-activated by connecting their inputs to a
high level signal. If no signal is applied to these inputs the amplifier will be
disabled upon power on.
For this logic insert 3.6Kohm ( +10%)resistors for R18 (Inhibit), R19a (CW),
R20a (CCW). The power of these resistors is calculated according to:
Pmin=V
2
/1500 (Watt)
+5V
ISP ENABLED BY ACTIVE HIGH OR CLOSED CONTACT
C
+v
+5V
C
+5V
C
R18INHIBIT
R19aCW
R20aCCW
2V < +V < 30V