Appendix A – Specifications
53
Digital Outputs (optional)
The Gemini drive has six digital outputs. All connections are shown in the next
drawing. Defaults are shown in parentheses, but you can use the OUTFNC
command to redefine the function of any of the outputs. See the Gemini
Programmer’s Reference for more information.
Internal Connections
41 Output 1 (General purpose)
42 Output Ground
43 Output 2 (Drive fault)
44 Output Ground
45 Output 3 (At limit)
46 Output 4 (Position error)
47 Output Ground
48 Output 5 (Stall)
49 Output 6 (General purpose)
50 Output Ground
DRIVE I/O Connector
Open Collector,
300mA sink
capability
Do not apply
more than 30VDC
Same circuit
design as
Output 1
Outputs
You can use the OUTLVL command to configure each of the outputs as active
high or active low.
Step & Direction Output (optional)
Pins 14 – 17 are step and direction outputs.
The outputs are based on calculated position.
Step & Direction Output Specifications:
Default Resolution:
25,000 steps per revolution
Clockwise Rotation:
Di = High
Counterclockwise Rotation:
Di = Low
The step and direction output circuit is shown in the next drawing.
Internal Connections
14 Step+ Output
15 Step– Output
16 Di Output
17 Direction– Output
20 Digital Ground
DRIVE I/O Connector
From DSP
From DSP
AM26LS31
AM26LS31
Step & Direction Output
You can use the ORES command to configure the step and direction outputs.
