28 Signal Connections
3.6 Alarm Signal ALM
The alarm signal ALM is used to indicate the alarm status from the
servo driver. The signal names, pin numbers, and axis numbers
are shown in the table below:
The input alarm circuit is shown below. The ALM signal usually is
generated by the servomotor driver and is ordinarily an open col-
lector output signal. An external circuit must provide at least 8mA
current sink capabilities to drive the ALM signal.
P1 Pin No Signal Name Axis #
9ALM01
43 ALM1 2
VDD
0.5V Max.
To motion IC
ALM
R
= 330 Ohm
DGND
VCC
PS2805
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