Motion Monitor For Position And Speed; Delayed Shutdown Of Speed Controller In Emergency Stop - HEIDENHAIN TNC 415 Technical Manual

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Compensation for reversal spikes on circular interpolation at the quadrant

transitions for digitally controlled axes

Entry: –1.0000 to +1.0000[mm]

For digitally controlled axes reversal spikes of the order of the entry range of MP1960.x are

compensated during circular interpolation at the quadrant transitions.

Motion monitor for position and speed

Entry: 0 to 300.0000 [mm]

0 => No monitoring

MP1970 is used to set encoder monitoring. The position is computed from the pulses received from

the position encoder (LS) and from the pulse received from the rotary encoder (ROD). The input

value from MP1955 is used for this. The difference between the two results must not exceed

MP1970. Movement monitoring by MP1140 is not active.

The movement monitor must be active at all times for safety reasons. It can only be

deactivated by entering 0 while approach behaviour is being trimmed if the "Gross

positioning error C" message appears despite the maximum value of 1 [mm] being

Entry: 0 to 1.9999 seconds

In the event of a fault, braking resistors in the servo amplifier are required to stop the axes as quickly

as possible to prevent danger from axes running down uncontrolled. This braking time can be

reduced by delaying the shutdown of the TNC speed controller in MP1980.

At the same time, the controller outputs a braking torque which immediately brings the machine to a

TNC 407/TNC 415/TNC 425

3 Machine interfacing

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Tnc 425e Tnc 415f Tnc 407 Tnc 415b Tnc 425