ADLINK PCI-8144 - Manual (Page 33)

Signal Connections 23
3.4 End-Limit Signals PEL and MEL
There are two end-limit signals PEL and MEL for each axis. PEL
indicates the end limit signal is in the plus direction and MEL indi-
cates the end limit signal is in the minus direction. The signal
names, pin numbers, and axis numbers are shown in the table
below:
A circuit diagram is shown in the diagram below. The external limit
switch should have a contact capacity of +24V @ 10mA minimum.
EL logical can be configured by registers controlling. For more
details on EL operation, refer to Section 4.
CN1 Pin No Signal Name Axis # CN1 Pin No Signal Name Axis #
7 PEL0 1 41 PEL2 3
8 MEL0 1 42 MEL2 3
17 PEL1 2 51 PEL3 4
18 MEL1 2 52 MEL3 4