ADLINK PCI-8102 - Manual (Page 84)

Operations 73
PCI-8102
one of the end-limit signal, the motion controller will stop sending
pulses and output an ERC signal. It can prevent machine crash
when miss operation.
4.4.3 Slow Down Switch
The slow down signals are used to force the command pulse to
decelerate to the starting velocity when it is active. This signal is
used to protect a mechanical moving part under high speed move-
ment toward the mechanism’s limit. The SD signal is effective for
both plus and minus directions.
4.4.4 Positioning Start switch
The positioning start switch is used to move a specific position
when it is turned on. The function is shown as below.
4.4.5 Counter Clear switch
The counter clear switch is an input signal which makes the coun-
ters of motion controller to reset. If users need to reset a counter
according to external command, use this pin as controlling source.
4.4.6 Counter Latch Switch
The counter latch switch is an input signal which makes counter
value to be kept into a register when this input active. If users need
to know counter value at the active moment of one input, they can
connect this pin to catch that.