Siemens SINUMERIK 840D sl Operating Manual page 21

Alarms and messages
Second line
Display
The displays in the second line can be configured.
Third line
Display
HMI sl Universal
Operating Manual, 01/2008, 6FC5398-6AP10-2BA0
Machine manufacturer
Please also refer to the machine manufacturer's instructions.
Alarm display
The alarm numbers are displayed in white lettering on a red
background. The associated alarm text is shown in red
lettering.
An arrow indicates that several alarms are active.
An acknowledgment symbol indicates that the alarm can be
acknowledged or canceled.
NC or PLC message
Message numbers and texts are shown in black lettering.
An arrow indicates that several messages are active.
Messages from NC programs do not have numbers and appear
in green lettering.
Description
Program path and program name
Description
Display of channel status.
If several channels are present on the machine, the channel
name is also displayed.
If only one channel is available, only the "Reset" channel status
is displayed.
With touch operation, you can change the channel here.
Display of channel status:
The program was aborted with "Reset".
The program is started.
The program has been interrupted with "Stop".
Introduction
1.4 Operator interface
21