Pacific Scientific 6415 Installation & Hardware Reference Manual page 70

Step size
Switch settable
Full (1/2)
1/2 (1/4)
1/5 (1/8)
1/10 (1/16)
1/25 (1/32)
1/50 (1/64)
1/125 (1/128)
1/250 (1/256)
Signal input
(See circuit diagram, Section 2.5.3)
requirements
Optically Isolated Inputs:
Input Min Input Current -
Opto ON
J4-19, J4-7 Low Speed 3.0 mA
J4-22, J4-10 Direction 3.0 mA
J4-23, J4-11 Enable 3.0 mA
J4-20, J4-8 Run 3.0 mA
J4-21, J4-9 Stop 3.0 mA
A - 2
Steps/motor revolution
o
(1.8 stepper motor)
200 (400)
400 (800)
1000 (1600)
2000 (3200)
5000 (6400)
10000 (12800)
25000 (25600)
50000 (51200)
Max Input Max Reverse
Current Voltage
4.5 mA 5 volts
4.5 mA 5 volts
4.5 mA 5 volts
4.5 mA 5 volts
4.5 mA 5 volts
6415 Installation and Hardware Reference Manual - Rev E