Siemens SINUMERIK 805 Operating Instructions Manual page 194

8 Monitoring
8.1
General
06.90
8
Monitoring
8.1
General
The control contains constantly active monitoring functions which can recognize faults in the
NC, the interface
control and the machine early enough for damage
to
the workpiece,
tool or
machine
to be largely eliminated.
first of all machining is interrupted and the drives brought to
a standstill
If a fault does occur
and the
reason for the fault is stored and displayed
as an alarm. At the same time the
PLC is
informed that an
NC
alarm exists.
Monitoring functions exist for the following
areas:
Read-in
Format
Measuring circuit cables
Encoders and drive
Contour
Spindle speed
Enable signals
Voltage
Temperature
Microprocessors
Serial interfaces
Transfer between NC and PLC
Voltage level of the backup battery
System program memory
User program memory
In addition, 64 PLC alarms and 64 PLC messages as well as
1
00
user cycle alarms are
available
to
the PLC user. The
texts
for these are transferred via RS 232 C interface into the
buffered memory area of the control.
8.2
Alarm numbers and groups/clearing alarms
The SINUMERIK 805 features the following alarm groups:
POWER ON alarms
RS 232 C alarms
RESET alarms (axis-specific)
RESET alarms (general)
Acknowledge alarms
NC alarms:
PLC
system
and programming alarms
PLC user alarms
PLC alarms
PLC user messages PLC messages
8-1
®
Siemens AG 1990 All Rights Reserved
6ZB5 410-OEE02
SINUMERIK
805,
SW2 (BA)