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MSD Servo Drive User Manual SERCOS II
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[ Chapter 9 ]
Parameter Description
S-0-0412
MEASURED VALUE 2 RECORDED NEGATIVE 
With this parameter “Measured value 2 recorded negative” is assigned an 
IDN. As a result, “Measured value 2 recorded negative” can be assigned to a 
real-time status bit (S-0-0305). Bit 0 in this parameter is only set by the drive 
when the touchprobe cycle command (S-0-0170) is active, the touchprobe 2 
enable signal (S-0-0406) is set to “1” and the negative edge of touchprobe 2 
(S-0-0402) is signalled. At the same time, the drive stores the actual position 
value to measured value 2 negatively (S-0-0133). 
The drive clears this bit when the master control system clears the touchprobe 
cycle command or the touchprobe 2 enable is set to “0”. In the operation 
datum only bit 0 is defined.
Table 9.1  Description of parameters for the touchprobe function