User`s guide

Signal Connections • 31
3.12 Simultaneously Start/Stop Signals STA and
STP
The PCI-8134 provides the STA and STP signals, which enable
simultaneous start/stop of motions on multiple axes. The STA and STP
signals are on the CN4.
On one card, two PCL5023 chips provide two sets of STA and STP signals.
The following diagram shows the on-board circuits. The STA and STP
signals of the four axes are tight together respectively.
The STP and STA signals are both input and output signal. To operate the
simultaneously start and stop action, both software control and external
control are possible. By the software control, the signals can be generated
from any one of the PCL5023, and other chip will start and stop
simultaneously if proper programmed. You can also use an external open
collector or switch to drive the STA/STP signals for simultaneous start/stop.
If there are two or more PCI-8134 cards, cascade CN4 connectors of all
cards for simultaneous start/stop control on all concerned axes is possible.
In this case, connect CN4 as follows.
VCC VCC
PCL5023
STP
STP, AXIS 3&4
STA, AXIS 3&4
STP, AXIS 1&2
STA, AXIS 1&2
2
3
4
5
4.7K 4.7K
CN4
Inside PCI-8134
STP
CN4
PCI-8134 #1 PCI-8134 #2 PCI-8134 #3
CN4
CN4
STA
STP
STA
STP
STA
STP
STA
STP
STA
STP
STA
STA
STP
STA