
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)
Kommentare zu diesen Handbüchern