Supplementary Conditions; Axis Monitoring Functions - Siemens SINUMERIK 828D Function Manual

2.4

Supplementary conditions

2.4.1

Axis monitoring functions

Settings
For correct operation of the monitoring, the following settings must be made or checked, in addition to the
machine data mentioned:
General
• MD31030 $MA_LEADSCREW_PITCH (Leadscrew pitch)
• MD31050 $MA_DRIVE_AX_RATIO_DENOM (Denominator load gearbox)
• MD31060 $MA_DRIVE_AX_RATIO_NUMERA (Numerator load gearbox)
• MD31070 $MA_DRIVE_ENC_RATIO_DENOM (Denominator measuring gearbox)
• MD31080 $MA_DRIVE_ENC_RATIO_NUMERA (Numerator measuring gearbox)
• MD32810 $MA_EQUIV_SPEEDCTRL_TIME (equivalent time constant speed control loop for feedforward
control)
• Encoder resolution
The corresponding machine data is described in:
References:
/FB1/ Function Manual, Basic Functions; Velocities, Setpoint/Actual Value Systems, Closed-Loop Control
(G2)
Only drives with analog speed setpoint interface
• MD32260 $MA_RATED_VELO (Nominal motor speed)
• MD32250 $MA_RATED_OUTVAL (Nominal output voltage)
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
A3: Axis Monitoring, Protection Zones
2.4 Supplementary conditions
127