Siemens CU240S DP Operations Instructions Page 95
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- Table of contents
- TROUBLESHOOTING
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Service and maintenance
4.3 LED Overview
Control Units CU240S
Operating Instructions (Compact), 04/2006, A5E00766042B AA
4-5
LED description
• System-Fault LED (SF)
The system-fault LED indicates a general system error either software or hardware
related.
• Ready LED (RDY)
The ready LED indicates whether the inverter is ready to operate by transmitting a
control-word.
This LED does not indicate whether the drive is running or not. For that purpose an OP
would be more convenient. The information of interest is the actual speed, which can be
displayed on an OP which can be easily plugged in and out at any time during operation.
• Bus-Failure LED (BF)
The Bus-failure LED indicates if any bus failure occurred. A bus failure can be
characterised as corrupted communication (e.g. a frame of the PROFIBUS) due to
signalling problems on the bus itself.
Note that faults according to the inner data structure of the transmitted communication
frames (e.g. CRC check of PROFIsafe telegram) are not denoted as bus failure. Thus,
such failures have to be indicated by the general fault LED.
The Bus-failure LED indicates the following states:
– Bus-failure LED off: no Bus failure
– Bus-failure LED on: no connection to the DP-Master (searching for baud rate)
– Bus-failure LED flashing 0.5 Hz: I/O device is not configured or is wrongly configured
(baud rate found, no data exchange).
• End-state LED (ES)
The end-state LED indicates if the end state of a triggered fail-safe function has been
reached
• Safe Torque Off LED (STO)
The safe torque off LED indicates the fail-safe function Safe Torque Off.
• Safe Stop 1 LED (SS1)
The safe stop 1 LED indicates the fail-safe function Safe Stop 1.
• Safely-Limited Speed LED (SLS)
The safely-limited speed LED indicates the fail-safe function Safely-Limited Speed.
For fail-safe functions please refer to section Function.
- SINAMICS 1
- SINAMICS G120 3
- Table of contents 5
- Table of contents 7
- Installing/Mounting 10
- 1.1 Fitting the CU to the PM 10
- Installing/Mounting 11
- Control settings 13
- Preparation 18
- Screening 18
- Connections 18
- Typical encoder wiring 18
- Commissioning (software) 21
- 2.2 Parameters 22
- 2.2.2 Write parameters 23
- 2.2.3 Monitoring parameters 23
- 2.2.4 Parameter Attributes 23
- 2.2 Parameters 24
- Access level 25
- Change state 25
- Data types 25
- Grouping 26
- Commissioning (software) 27
- 2.2 Parameters 27
- Quick commissioning 28
- Value range 28
- Data sets 28
- 2.3 Factory settings 29
- 2.3 Factory settings 30
- The Operator Panel (OP) 31
- Commissioning with STARTER 34
- STARTER projects 35
- 2.7 Commissioning modes 36
- 2.7 Commissioning modes 37
- 2.7.2 Quick commissioning 38
- 33 39
- 3 3 39
- 33 39
- 2.7 Commissioning modes 40
- Motor identification data 46
- General settings 51
- Pulse Encoder 51
- Temperature Sensor 52
- Selection of command source 52
- Frequency setpoint set 54
- Analog outputs 57
- JOG frequency 58
- Additional Setpoints 58
- Skip Frequency 59
- Ramp times 59
- Rounding 59
- 2.7.9 Series Commissioning 61
- 6,1$0,&6 66
- Automatic Download 69
- Automatic download fault 71
- Reset to the factory setting 73
- 2.8 Encoder Commissioning 74
- Encoder commissioning 75
- Encoder parameterization 76
- 2.8 Encoder Commissioning 77
- 2.8 Encoder Commissioning 78
- 2.8.3 Encoder fault codes 79
- 3.2 Start-up Behavior 81
- Operation 82
- 3.2 Start-up Behavior 82
- Operation 83
- 3.2 Start-up Behavior 83
- PM hotswap with powered CU 87
- CU swap 87
- Successful swap 88
- Swap fault 88
- Upload of parameter sets 89
- Download of parameter sets 89
- Manual download 90
- Automatic download 90
- Service and maintenance 91
- Asia/Pacific (Beijing) 92
- China (Beijing) 92
- Online Service and support 92
- Contact address 92
- Regional contacts 92
- 4.2 Faults and Alarms 93
- 4.3 LED Overview 94
- 4.4 Normal Status LEDs 96
- Service and maintenance 97
- Troubleshooting/FAQs 101
- LED description 102
- Overview 102
- Troubleshooting/FAQs 103
- Standard diagnostics 104
- Legal: 0 … 116 105
- Troubleshooting with the OP 106
- Control Units CU240S 107
- Index 108
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