Extended I/O - Galil Motion Control DMC-21 5 Series User Manual

Extended I/O

The DB-28045 offers 40 extended TTL I/O points which can be configured as inputs or outputs in banks of 8. Banks
of I/O are configured with the
of the bits that are setup as inputs can be queried with the
of the bits that are configured as outputs can be queried with the
Electrical Specifications (3.3V – Standard)
Inputs
Max Input Voltage
Minimum Voltage
Inputs are internally pulled up to 3.3V through a 4.7kΩ resistor
Outputs
Sink/Source
Electrical Specifications (5V Option)
Inputs
Max Input Voltage
Minimum Voltage
Inputs are internally pulled up to 5V through a 4.7kΩ resistor
Outputs
Sink/Source
A8 – DB-28045 ▫ 192
CO command. The I/O points are accessed through the 50 pin IDC header. The state
operand where n is the bit number. The state
@IN[n]
@OUT[n] operand where n is the bit number.
3.4 VDC
0 VDC

4mA per output
5.25 VDC
0 VDC

20mA
DMC-21x5 User Manual 1.0a1