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ISP - Rev 6/95
5.3 Terminals for ISP mounted in 3U size ENC.
The MBA-ISP/3UE is designed for Elmo enclosures. It has screw type terminals
for the power and D-type connectors for the signals.
The Potential Free Inhibit Input is applicable only when the "inverted inhibit
logic" is used (R18 in the amplifier is inserted). An opto-Coupler (IL5) is used
to isolate between the Inhibit signal and the amplifier circuit. Activating this
opto-coupler is done by inserting R1 on the mother board according to the
following relation:
R1 = 100 x Vinh (ohm)
Vinh - voltage in the inhibit input.
Standard value is 2.4K (For 24 volts) Source must be capable of source or sink
10mA.
Power Terminals
Terminal Function Remark
AC AC input
M1 Armature
output
This output will be negative when a positive signal
is fed to one of the inputs.
M2 Armature
output
This output will be positive when a positive signal
is fed to one of the inputs.
AC AC input
GND Ground