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6-5 Touch Probe Function (Latch Function)
OMNUC G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
6
Drive Profile
6-5 Touch Probe Function (Latch
Function)
The latch function latches the position actual value when an external latch input signal or the
encoder's phase-Z signal turns ON. OMNUC G5-series Servo Drives can latch two positions.
Related Objects
Trigger Signal Settings
The latch trigger can be selected from general-purpose inputs 5 to 7 or the encoder's phase-
Z signal. The functions of general-purpose signals 5 to 7 from the control I/O connector are set
with the Input Signal Selection 5 to 7 (3404 to 3406 hex). External latch input signals used by
Latches 1 and 2 are set with the Touch Probe Trigger Selection (3758 hex).
Bits 2 and 10 of the Touch probe function (60B8 hex) are used to specify weather to latch with
an external signal or the phase-Z signal.
Index Name Description
60B8 hex Touch probe function Controls the latch function.
60B9 hex Touch probe status Gives the state of latches 1 and 2.
60BA hex
Touch probe pos1 pos
value
Latch position of latch 1.
60BC hex
Touch probe pos2 pos
value
Latch position of latch 2.
3404 hex Input Signal Selection 5 Set the function for general-purpose input 5 (IN5).
3405 hex Input Signal Selection 6 Set the function for general-purpose input 6 (IN6).
3406 hex Input Signal Selection 7 Set the function for general-purpose input 7 (IN7).
3758 hex
Touch Probe Trigger
Selection
Select the trigger signals for latch 1 and 2.
IN5/6/7
(1)
EXT1/2/3
EXT#1
3758 hex
(TP1_SEL)
3404 to 3406 hex
(3)
(2)
Latch trigger
LT1
3758 hex
(TP2_SEL)
60B8 hex (Bit 10)
60B8h (Bit 2)
(2)
(3)
EXT#2
Latch trigger
LT2
Latch 1
Latch 2
Position actual value
Position actual value
60BA hex
Touch probe pos1
pos value
60BC hex
Touch probe pos2
pos value
Phase-Z
signal
Phase-Z
signal
Phase-Z
signal
Phase-Z
signal
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