Siemens SINUMERIK 802D sl Návod k obsluze stáhnout pdf (Strana 189)

NCK alarms

06/2009 Overview of alarms

2-189

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

1. If no position control is active (e.g. in follow-up mode or if spindle is in speed-controlled mode).

2. For position control with the direct encoder.

3. For position control with the indirect encoder (the calculated load position difference must not

exceed the value indicated in MD36500 $MA_ENC_CHANGE_TOL).

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

26052 [Channel %1: ] In block %2: path velocity too high for auxiliary function

output

Parameters: %1 = Channel number

%2 = Block number, label

Definitions: This alarm usually occurs in a block with auxiliary function output during a movement. In this case, the

wait for acknowledgement of the auxiliary function was longer than planned.

The alarm also occurs if internal control inconsistencies cause continuous path mode (G64, G641, ...)

to be blocked unexpectedly.

The path interpolation stops abruptly at the end of the block indicated in the message (regenerative

stop). On the next block change, the path continues unless the abrupt stop has caused an error in the

position controller (e.g. because MD36400 $MA_CONTOUR_TOL setting was over-sensitive).

Reaction: Alarm display.

Remedy: - If the alarm occurred in a block with auxiliary function output during the movement: from SW 5.1 or

higher, increase machine MD10110 $MN_PLC_CYCLE_TIME_AVERAGE or

- Program G09 in the block indicated in the message to allow the path interpolation to stop as planned.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

26070 [Channel %1: ] Axis %2 cannot be controlled by the PLC, max. number

exceeded

Parameters: %1 = Channel number

%2 = Axis name, spindle number

Definitions: An attempt was made to define more axes than allowed as PLC-controlled axes.

Reaction: Interface signals are set.

Alarm display.

Remedy: Check the option 'Number of PLC-controlled axes' and correct if necessary or reduce the number of

requests for PLC-controlled axes.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

26072 [Channel %1: ] Axis %2 cannot be controlled by the PLC

Parameters: %1 = Channel number

%2 = Axis name, spindle number

Definitions: Axis cannot be made a PLC-controlled axis. For the time being, the axis cannot be controlled at any

state from the PLC.

Reaction: Interface signals are set.

Alarm display.

Remedy: Use Release or Waitp to make the axis a neutral one.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

26074 [Channel %1: ] Switching off PLC control of axis %2 not allowed in the

current state

Parameters: %1 = Channel

%2 = Axis, spindle

Definitions: The PLC can return the control rights for an axis to program processing only, if the axis is in READY

state.

Reaction: Interpreter stop

NC Start disable in this channel.

Interface signals are set.

Alarm display.

Remedy: Reset VDI interface signal "PLC controls axis", then activate "Axial reset" and repeat process.

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