Balluff BML SL1-ALZ-ZZ Series, User Manual

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7.6 Diagnostic data
The BML reports diagnostic data (Events) to the controlling
system (see Tab. 7-20) or the controlling system can read
the status using the diagnostics parameters.
7.6.1 Diagnostics parameters
Index Subindex Parameters Size Access Values
0x0024 (36) 0 Device Status 1 bytes Read Only 0 = Normal status
2 = Warning
4 = Error
0x0025 (37) 0 Detailed Device
Status
9 bytes Read Only Up to 3 active Events:
1st byte Event type (0 = no Event,
0xE4 = Warning, 0xF4 = Error)
2nd and 3rd byte Event code (see Sec. 7.6.2)
0x0028 (40) 0 Process Data Input 6 bytes Read Only The last valid process data (see Sec. 7.2)
Tab. 7-20: Diagnostics parameters
7.6.2 Event list
Event code Characteristic Meaning
0x8D00 Notification LIMITED ACCURACY PLUS – The head is located in the detection range but outside the
set measuring range.
0x8D01 Notification LIMITED ACCURACY MINUS – The head is located in the detection range but outside the
set measuring range.
0x8D02 Warning OUT OF RANGE PLUS – The head is outside the detection range. No valid data is output.
The transmitted process data value is 0×7FFFFFF8 and 2'147'483'640.
0x8D03 Warning OUT OF RANGE MINUS – The head is outside the detection range. No valid data is
output. The transmitted process data value is 0x80000008 and –2'147'483'640.
0x8D04 Error NO MEASUREMENT DATA – No head detected. No valid data is output. The transferred
process data value is 0×7FFFFFFC or 2147483644.
0x8D06 Warning MEASUREMENT DATA UNSAFE – The function reserve is too low. The application must
be checked.
0x4210 Warning DEVICE TEMPERATURE OVERRUN (see Section 7.5.6) – The set upper temperature
warning threshold has been exceeded.
0x4220 Warning DEVICE TEMPERATURE UNDERRUN (see Section 7.5.6) – The set upper temperature
warning threshold has been underrun.
0x4000 Error TEMPERATURE OVER RUN ERROR – The temperature has exceeded the specified
maximum temperature. The heat source must be eliminated.
0x5000 Error HARDWARE FAULT – There is a problem with the device hardware. Interrupt power to
restart the BML. If the problem occurs again, replace the BML.
0x8D07 Error OPEN CIRCUIT AT CURRENT OUTPUT – The analog current output is open, check
installation.
Tab. 7-21: Event list
7
IO-Link Smart Sensor profile Ed. 2 (BML SL1-ALZ1-UE/MZZ-_U1L-…) (continued)
BML SL1-ALZ _-_ _ ZZ- _ _ _ _ - _ _ _ _
Absolute Magnetically Coded Position Measuring System
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