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ISP - Rev 6/95
7. Start - Up Procedures
All the operations of this chapter do not require power on the unit. The steps of
paragraph 7.1 must be performed before proceeding to the appropriate feedback sensor
section.
7.1 Common procedures for all amplifiers types
7.1.1 Inhibit and CW/CCW logic
Select the desired Inhibit and CW/CCW logic you need:
a) Disable by Low
Inhibit/CW/CCW functions will be activated by connecting their inputs to a low
level signal. If no signal is applied to these inputs the amplifier will be
enabled upon power on.
For this logic, R18 (for Inhibit), R19a (for CW), R20a (for CCW) should not be
installed.
+5V
ISP DISABLED BY ACTIVE LOW OR CLOSED CONTACT
C
-1V < Vil < 1V
2V < Vih < 30V