15
IRMDSS1
AC POWER INPUT
FUSES
40A MAX
L+
- SENSE
+SENSE
L-
+
LOAD
NOTE: Higher current fuses
can be used where the terminal
blocks JP2 and JP3 are
removed, and the power
connections are made as
shown in FIG 3.
PWM
CONTROLLER
RV 1
Bus voltage regulation RV 1 PWM Controller Comments
Max voltage only Not needed. Connect
JP4/1 to JP4/3
Not needed.
Manual potentiometer
control
Connect RV 1 (50k) .
Change R52 to 4.53k
1%. See sect. 4(b)
Not needed. CAUTION: RV1 at
potential of rectifier
pos. term.
Isolated PWM input Not needed.
No connection to
JP4/1
Connect to JP5/1 (+)
and JP5/2. See also
Fig6
L + L - Sense + Sense - R5
Absent Absent Omit Omit Inserted
Present Absent Connect Omit Inserted
Absent Present Omit Connect Remove
Present Present Connect Connect Remove
FIG 5 . Electrical Connections to the IR1110
Reference Design.
JP3
JP2
