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Indexer circuitry
All inputs can be driven differentially or with an open
collector device with pull-up resistor.
Inputs
Step
Function
Pins
Required Indexer Circuitry
Conditions
Accepts pulse train to
step motor. The step
occurs on the
low-to-high transition
of the step pulse.
J3-1(+)
J3-14(-)
13 mA to 20 mA for a minimum of
0.75 us.
Note: The direction input must not
change for a minimum of 1 ms
before or after the current step input
goes high.
Rev E
5630 Installation and Hardware Reference Manual
2 - 17
PIN 1
>= 3.5V
PIN 14
681
221
13 mA
+
-
0.75 s min
µ
1 ms
1 ms
High or Low State
Step Input
Direction Input
Disallowed Period