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178 • Appendices DMC-3425
IN[x] (To controller)
TO CONTROLLER
RP3 / RP1 = 4.7K OHMS
ICM-1460
CONNECTIONS
IN[x]
OPTO-COMMON
RP2 / RP4 = 2.2K
VCC
Figure A-1
Opto-isolated outputs:
The signal “OUT[x]" below is one of the isolated digital outputs where x stands for the digital output
terminals.
The OPTO-COMMON needs to be connected to an isolated power supply. The OUT[x] can be used to
source current from the power supply. The maximum sourcing current for the OUT[x] is 25 ma.
Sinking configuration can also be specified. Please contact Galil for details.
The default state of the outputs may also be set through the resistor pack RP5. With this resistor in it’s
default state, the opto-isolator will be ON. By reversing RP5 in its socket, the opto-isolator will be
OFF by default.
Figure A-2
* Only available with ICM-1460