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Heidenhain Controller
Safety · Intermediate · 30-120 minutes
HEIDENHAIN 2A0-00E0 - Wrong input for dynamic test
Alarm 2A0-00E0 occurs when attempting a dynamic test on an SPLC input that either doesn't physically exist or isn't properly configured on a system PL (PLB 62xxFS) or safe machine operating panel (MB 6xxFS). This typically happens during safety system commissioning or when HSCI configuration parameters don't match the actual hardware setup.
2A0-00E0
HEIDENHAIN 2A0-00E0 - Wrong input for dynamic test
Wrong input for dynamic test
The indicated SPLC input cannot be tested with the minute test. The input may not exist or is not on suitable hardware.
Root Cause Summary
Alarm 2A0-00E0 occurs when attempting a dynamic test on an SPLC input that either doesn't physically exist or isn't properly configured on a system PL (PLB 62xxFS) or safe machine operating panel (MB 6xxFS). This typically happens during safety system commissioning or when HSCI configuration parameters don't match the actual hardware setup.
Safety
- Refer to Heidenhain service manual
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Verify HSCI hardware configuration
Access MOD function and check installed PLB 62xxFS and MB 6xxFS modules. Document actual input ranges available on each module.
Use HSCI diagnostic display to see real-time module status and input availability
- 2
Check SPLC input assignment
In machine parameter MP7500.x (HSCI configuration), verify the input number matches an existing physical input on the documented hardware.
Incorrect input assignments can cause safety system malfunctions
- 3
Correct input number in test configuration
Modify the dynamic test parameter to reference a valid SPLC input number that exists on the installed PLB or MB hardware.
Cross-reference with electrical schematics to ensure proper input mapping
Call a technician if:
- ·Multiple PLB modules showing communication errors
- ·Safety system certification requirements
- ·Electrical rewiring beyond operator skill level
Prevention
- Maintain accurate HSCI configuration documentation
- Verify safety module compatibility before installation
- Regularly test HSCI communication status
Common Mistakes
- Attempting dynamic tests on non-safety inputs
- Incorrect MP7500.x parameter configuration
- Mixing standard and safety I/O module assignments
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