Siemens Sinumerik 810T Bedienerhandbuch Seite 20

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11 Alarms 09.91
11.8 Axis-specific RESET alarms
132
*
Control loop hardware (POWER ON required)
Cyclically
NC START disabled
Setpoint relay drops out
NC Ready 2 cancelled
Servo enable cancelled after time in MD 156 has expired
Follow-up mode
Measuring-circuit differential signals
are not in phase
are short-circuited to frame
are missing altogether
Check whether measuring-circuit connector has been inserted
By connecting measuring-circuit short-circuit connector, it is
possible to check whether the measuring-circuit module is in order
Check differential signals using oscilloscope
Replace encoders (See Section 7 for characteristics of measuring-
circuit differential signals)
Scan:
Effect:
Explanation:
Remedy:
136
*
Meas. system dirty
Cyclically
NC START disabled. The active program is fully executed.
In measuring systems with contamination signal (e.g. EXE) an error is
signalled by the measuring system to the NC.
Check measuring system
148
*
+ Software limit switch
152
*
- Software limit switch
Scan:
Effect:
Explanation:
Remedy:
With each axis movement
NC START disabled
Setpoint 0
Alarm is only active after reference point approach
Software limit switch 1 or 2 approached, depending on PLC
interface signal ”2nd software limit switch active”
Move away from limit switch in reverse direction
Check MD 224*, 228*, 232*, 236*
Scan:
Effect:
Explanation:
Remedy:
11–20 © Siemens AG 1990 All Rights Reserved 6ZB5 410-0DL02
SINUMERIK 810 GA3/820 GA3 (IA)
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