DIGITAL INPUT/OUTPUT CARD IOD-144 USER MANUAL
8-1
SPECIFICATIONS
Features
144 Channels of Digital Input/Output.
All 144 I/O Lines Buffered on the Board.
Four and Eight Bit Groups Independently Selectable for I/O.
Hysteresis Correction and 1KS Pull-Down Resistors on I/O Lines.
Interrupt and Interrupt-Disable Capability.
Tristate-able outputs
+5V Supply Available to User.
Compatible with Industry Standard I/O Racks like Opto-22, Potter & Brumfield, etc.
Digital Inputs
Logic High: 2.0 to 5.0 VDC.
Logic Low: -0.5 to +0.8 VDC.
Input Load (Hi): 20 uA.
Input Load (Lo): -200 uA.
Digital Outputs
Logic High: 2.5 VDC min., source 15 mA.
Logic Low: 0.5 VDC max., sink 24 mA.(64 mA optional)
Power Output: +5 VDC from computer bus (ext. 1A fast blow fuse recommended).
Power Requirements: +5 VDC at 200 mA typical.
Size: 13.1" long.
Environmental
Operating Temperature Range: 0 degr. to 60 degr.C.
Storage Temperature Range: -50 degr. to +120 degr.C.
Humidity: 0 to 90% RH, non-condensing.