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

Page 33

Advertising
background image

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

Advertising