Festo CMMD-AS series, Описание

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6 Positioning mode
166 Festo – GDCP-CMMS/D-FW-EN – 1404NH – English
Homing to limit switch and zero pulse signal (N/#N)
Code Description
hex dec
02 h 02 Positive limit switch and zero pulse
1)
1. Search for limit switch in the positive direc-
tion
2)
:
Travel with “Search” speed in a positive direc-
tion until the limit switch has been detected.
2. Search for homing point in a negative direc-
tion:
Travel with “Crawl” speed in a negative direc-
tion until the limit switch switch is back at the
neutral position and the first zero pulse has
been detected. This position is taken as the
homing point.
3. If an axis zero point is parameterised and the
FCT option “Travel to axis zero point after
homing” is activated:
Travel with “Run” speed to the axis zero point.
Zero pulse
Positive limit switch
+ –
01 h 01 Negative limit switch and zero pulse
1)
1. Search for limit switch in the negative direc-
tion
2)
:
Travel with “Search” speed in a negative direc-
tion until the limit switch has been detected.
2. Search for homing point in a positive direc-
tion:
Travel with “Crawl” speed in a negative direc-
tion until the limit switch switch is back at the
neutral position and the first zero pulse has
been detected. This position is taken as the
homing point.
3. If an axis zero point is parameterised and the
FCT option “Travel to axis zero point after
homing” is activated:
Travel with “Run” speed to the axis zero point.
Zero pulse
Negative limit switch
+ –
1) Motors have shaft encoder with zero pulse as standard.
2) If the limit switch is active, continue at 2nd point.
Tab. 6.29 Overview: Homing to limit switch and zero pulse signal (N/#N)