Detailed Description
2.1 NC/PLC interface signals
Various NC/PLC Interface Signals and Functions (A2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-19
DB31, ... DBX21.3 / 21.4 (motor selection A, B) (not on 810D)
Selection of motor/operating mode.
DBX 21.4 DBX 21.3 Motor number Operating mode
0 0 1 1
0 1 2 2
1 0 3 3
1)
1 1 4 4
1)
1) Can only be used on SIMODRIVE 611D Performance2 control module and SIMODRIVE
611U
Only operating modes 1 and 2 are valid on main spindle drive:
• Operating modes 1: Star
• Operating modes 2: Delta
DB31, ... DBX21.5 (motor selection made) (not on 810D)
The PLC user program sends this signal to the drive to indicate successful motor selection.
For example, in the case of star/delta switchover on the SIMODRIVE 611D or 611U, a
message or signal must be provided when the motor contactor has switched. The pulses are
then enabled by the drive.
DB31, ... DBX21.6 (integrator disable n-controller) (not on 810D)
The PLC user program inhibits the integrator of the speed controller for the drive. The speed
controller is thus switched from PI to P controller.
Note
If the speed controller integrator disable is activated, compensations might take place in
certain applications (e.g., if the integrator was already holding a load while stationary).
Checkback signal via:
DB31, ... DBX93.6 = 1 (integrator n–controller disabled)
DB31, ... DBX21.7 (pulse enable)
The pulse enable for the drive module is only requested if all enable signals (hardware and
software) are pending:
• Trigger equipment enable
• Servo and pulse enable (terminal 63)
• Pulse enable (safe operational stop) (terminal 663)
• Stored hardware input
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