4 end-limit signals pel and mel, End-limit signals pel and mel – ADLINK PCI-8144 User Manual
Page 33
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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
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