Yaskawa LEGEND-MC - Manual (Page 93)

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LEGEND-MC User’s Manual
CN (Configure Limit Switches)
[Configuration]
DESCRIPTION:
The CN command configures the polarity of the limit switches, the home switch and the latch input.
ARGUMENTS: CN m,n,o where
m, n, o are integers .
*
NOTE: The latch function will occur within 25usec only when used in active low mode, the opto
isolator requires more time if active high.
USAGE:
OPERAND USAGE:
_CN0 Contains the limit switch configuration.
_CN1 Contains the home switch configuration.
_CN2 Contains the latch input configuration.
RELATED COMMANDS:
EXAMPLES:
m = 1 Limit switches active high
-1 Limit switches active low
n = 1 Home switch configured to drive motor in forward direction when input is high
upon initial HM execution. See HM and FE commands
-1 Home switch configured to drive motor in reverse direction when input is high
upon initial HM execution. See HM and FE commands
o = 1 * Latch input is active high
-1 Latch input is active low
While Moving Yes Default Value -1.-1.-1
In a Program Yes Default Format 2.0
Command Line Yes
Can be Interrogated No
Used as an Operand Yes Distributed Control All Axes
"MT" Motor Type
CN 1,1 Sets limit and home switches to active high
CN, -1 Sets input latch active low
MG_CN1 Returns Home input configuration
MG_CN2 Returns Latch input configuration