2-19
(c) Pulse Command Input Interface Circuit(IO3):
Suggesting to use the input method of Line Driver to send the pulse command. The maximum input
command frequency is 500kpps. Using the input method of Open Collector will cause the decrease of input
command frequency, the maximum input command frequency is 200kpps. The servo provides only 24V
power, and other power should be prepared. Adverse polarity of power will cause the servo damage. The
maximum of External power (Vcc) is 24V limited. Input current is about 8~15mA. Please refer to the
examples below to select resistance. Please refer to 5-4-1 to check pulse input command timing.
Line Driver pulse command input Open Collector pulse command input
The max. frequency of line driver type pulse command
is 500kpps
Maximum input command frequency of open collector is
200kpps
Open Collector (Internal 24V) Open Collector – Selection of input Resistance
The maximum input command frequency of open
collector is 200kpps
External Power
Vcc=24V
R=2KΩ
External Power
Vcc=12V
R=750Ω
External Power
Vcc=5V
R=100Ω
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