Siemens SINUMERIK 840Di sl - 2.2.1 EMERGENCY STOP button; 2.2.2 Operating modes and machine functions

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01/2008 Operator Components/Operating Sequences
2.2 Machine control panel (MCP)
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© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 2-31
2.2.1 EMERGENCY STOP button
EMERGENCY STOP button
Press this red key in emergency situations:
1. if life is at risk
2. When there is a danger of the machine or workpiece being
damaged.
As a rule, when operating the EMERGENCY STOP button, all drives
are brought to a standstill with max. braking torque.
Machine manufacturer
For details of other or additional responses to an EMERGENCY
STOP:
Please read the information supplied by the machine tool
manufacturer!
2.2.2 Operating modes and machine functions
Modes of operation
The active mode is signaled and confirmed by the associated LED,
which lights up.
The keys marked with an * correspond to the key symbols in US
layout.
If you press a "Mode key", the corresponding mode is selected if
permissible, and all other modes and functions are deselected.
Jog
JOG
(Jogging)
Axis travel in jog mode via:
• Continuous motion of the axes using the direction keys, or
• Incremental motion of the axes using the direction keys, or
• Handwheel
MDA
MDA
(Manual Data Automatic)
Control of machine through execution of a block or a sequence of
blocks. The blocks are entered on the operator panel front.
Auto
*
Automatic
Control of machine through automatic execution of programs.