Travel To Fixed Stop; Corresponding Data; Functional Description - Siemens SINUMERIK 840C Installation Instructions Manual

12.93
12.24

Travel to fixed stop

The "Travel to fixed stop" function is available as an option.
12.24.1

Corresponding data

• NC MD 1804* bit 3
bit 4
bit 5
• NC MD 1284*
• NC MD 1280*
• NC MD 1144*
• SD 320*
• Travel to fixed stop option
• DB 32 DL x+2 bit 0
• DB32 DL x+2 bit 1
• DB 32 DL x+2 bit 2
• DB 32 DR x bit 6
• DB 32 DR x bit 7
Note:
The axis position can be monitored in the "Fixed stop reached" state by means of NC MD
1804* bit 3 "Clamping tolerance monitoring active" and NC MD 1284* "Clamping tolerance".
12.24.2

Functional description

The "Travel to fixed stop" function allows defined forces to be generated for the purpose of
clamping workpieces, tools, etc. The function can be used for both axes and spindles.
It can be selected and deselected via G commands G221/G220 or the command channel.
The fixed stop must be situated between the start and target positions of the axis/spindle when
the function is selected or deselected.
© Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
Clamping tolerance monitoring active
Sensor signal PLC for travel to fixed stop
Axis can travel to fixed stop
Clamping tolerance for travel to fixed stop
Following error excess value threshold for travel to fixed stop
Switchover current setpoint
Clamping torque for travel to fixed stop
Acknowledgement for travel to fixed stop signal
Acknowledgement for travel to fixed stop reached signal
Sensor signal for travel to fixed stop reached signal
Travel to fixed stop active
Fixed stop reached
6FC5197- AA50
12 Functional Descriptions
12.24 Travel to fixed stop
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