08/2005 Preface
vii
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
PLC alarms/messages
1) More detailed information is available via the diagnostic function (diagnostic buffer) in SIMATIC
STEP 7.
2) The PLC alarms in the range 500000 - 899999 are configured and described by the machine man-
ufacturer.
Action list
The actions described in the alarm texts ("Action %---") are explained in detail in
the table in the "Action list" section.
Finding information
For better orientation, you are provided with a table of contents as well as the
appendices:
• Abbreviations
• References
Safety
Danger and warning concept
The following warning notices with varying degrees of significance are used in the
document:
Table -5 Number ranges of the alarm numbers, continued
400000 - 499999 General alarms
500000 - 599999 Channel alarms
2)
600000 - 699999 Axis/spindle alarms
2)
700000 - 799999 User area
2)
800000 - 899999 Sequencers/graphs
2)
(810001 - 810009 System error messages from PLC
1)
)
Danger
Please check the situation in the plant on the basis of the description of the active
alarm(s). Eliminate the causes for the occurrence of the alarms and acknowledge
in the manner indicated. Failure to observe this warning will place your machine,
workpiece, stored settings and possibly even your own safety at risk.
Danger
Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury or in substantial property damage.
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