Detailed Description
2.15 Spindles (S1)
NC/PLC Interface Signals (Z1)
2-130 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
DB31, ...
DBX83.1
Set speed limited (programmed speed too high)
Edge evaluation: yes Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The set speed of the spindle that is specified directly (programmed spindle speed) or indirectly
(constant cutting speed) would violate the current maximum limit value. The set speed is therefore
defined at the maximum limit value.
Limit values:
• Maximum speed of specified gear stage
• Maximum spindle speed
• Speed limited by VDI
• Programmed spindle speed limiting G26
• Programmed spindle speed limiting for G96
Signal state 0 or
edge change
1 → 0
The set speed of the spindle is outside the maximum limit value.
Application
example(s)
The interface signal:
DB31, ... DBX83.1 (set speed limited)
can be used to determine if the programmed speed is unattainable.
The PLC user can accept this state as permissible and enable the path feed, or can disable the
path feed and/or the complete channel, IS:
DB31, ... DBX83.5 (spindle in set range)
is processed.
DB31, ...
DBX83.0
Speed limit exceeded
Edge evaluation: yes Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The actual speed exceeds the maximum spindle speed:
MD35100 $MA_SPIND_VELO_ LIMIT
by more than the spindle speed tolerance:
MD35150 $MA_SPIND_DES_VELO_TOL
Corresponds to .... MD35150 $MA_SPIND_DES_VELO_TOL (spindle speed tolerance)
MD35100 $MA_SPIND_VELO_LIMIT (maximum spindle speed)
DB31, ...
DBX84.7
Active spindle mode: Control mode
Edge evaluation: yes Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The spindle is in control mode with the following functions:
• Spindle direction of rotation specification M3/M4 or spindle stop M5
• M41...M45, or automatic gear stage change M40
Corresponds to .... DB31, ... DBX84.6 (spindle mode oscillation mode)
DB31, ... DBX84.5 (spindle mode positioning mode)
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