ADLINK PCI-8102 - Manual (Page 40)

Signal Connections 29
PCI-8102
3.7 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.
3.8 Deviation Counter Clear Signal ERC
The deviation counter clear signal (ERC) is active in the following
4 situations:
1. Home return is complete
2. End-limit switch is active
3. An alarm signal stops OUT and DIR signals
4. An emergency stop command is issued by software
(operator)
P1 Pin No Signal Name Axis #
9 ALM0 1
43 ALM1 2
VDD (+5V)
Inside 8102 P1