Reference Point Approach; Reference Point Approach Without Automatic Direction Recognition - Siemens SINUMERIK 840C Installation Instructions Manual

09.95
10.4.4
Corresponding data
• MD 240*
• MD 244*
• MD 284*
• MD 296*
• MD 5008
• MD 560*
• MD 564*
• "Ref. point reached" signal (DB 32 DL
• "Decelerate reference point approach" signal (DB 32 DL
Indirectly related:
• MD 5004
• MD 560*
The control provides options for two different types of reference point approach, i.e. with and
without automatic direction finding. The relevant option is selected via MD 560* bit 6.
Note:
From SW 5, simultaneous referencing of several axes in one channel is possible.
10.4.4.1
Prerequisites
• MD 560* bit 6 = 0
• Axis-specific feed enable set
• Collective feed enable set
• Reference point between reference point cam and limit switch.
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SINUMERIK 840C (IA)
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Reference point approach

(reference point value)
(reference point offset)
(reference point cutoff speed)
(reference point approach speed)
bit 5 (setting up in jogging mode)
bit 6 (reference point approach with automatic direction recognition)
bit 0 (direction of reference point approach)
Bit 3 (NC START without reference point)
bit 4 (no start inhibit for reference point)
Reference point approach without automatic direction
recognition
ManualsBase.com
bit 4)
K
K+1
6FC5197- AA50
10 Axis and Spindle Installation
10.4.4 Reference point approach
bit 4)
10–35