Galil DMC-4040, User Manual

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Extended I/O of the DMC-40x0 Controller
The DMC-40x0 controller offers 32 extended TTL I/O points which can be configured as inputs or outputs in 8 bit
increments. Configuration is accomplished with command CO – see Extended I/O of the DMC-40x0 Controller
.
The I/O points are accessed through the 44 pin D-Sub connector labeled EXTENDED I/O. See the A5 – CMB-
41012 (-C012) section in the Appendix for a complete pin out of the Extended I/O.
Electrical Specifications (3.3V – Standard)
Inputs
Max Input Voltage 3.4 VDC
Guarantee High Voltage 2.0 VDC
Guarantee Low Voltage 0.8 VDC
Inputs are internally pulled up to 3.3V through a 4.7k
Ω
resistor
Outputs
Sink/Source 4mA per output
Electrical Specifications (5V – Option)
Inputs
Max Input Voltage 5.25 VDC
Guarantee High Voltage 2.0 VDC
Guarantee Low Voltage 0.8 VDC
Inputs are internally pulled up to 5V through a 4.7k
Ω
resistor
Outputs
Sink/Source 20mA
DMC-40x0 User Manual Chapter 3 Connecting Hardware
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