Step size
Switch settable
Steps/motor revolution
(1.8
o
stepper motor)
Full (1/2)
200 (400)
1/2 (1/4)
400 (800)
1/5 (1/8)
1000 (1600)
1/10 (1/16)
2000 (3200)
1/25 (1/32)
5000 (6400)
1/50 (1/64)
10000 (12800)
1/125 (1/128)
25000 (25600)
1/250 (1/256)
50000 (51200)
Signal input
requirements
(See circuit diagram, Section 2.5.4)
Optically Isolated Inputs:
Input
Min Input
Current - Opto
ON
Max Input
Current
Max Reverse
Voltage
(Input
to J12-9)
J12-1, J12-6 - Step 5.5 mA
10 mA
5 volts
J12-2, J12-7 -
Direction
3.0 mA
4.5 mA
5 volts
J12-3, J12-7 -
Enable
3.0 mA
4.5 mA
5 volts
Signal output
characteristics
(See circuit diagram, Section 2.5.4)
J12-4, J12-9
Enabled
(Optically isolated NPN transistor with open collector and
open emitter)
Maximum low level voltage while sinking 2 mA: 0.5 volts
A - 2
6430 Installation and Hardware Reference Manual - Rev 1
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