4 encoder value monitoring, Encoder value monitoring, 6encoder/feedback system – Lenze 8400 TopLine User Manual
Page 372
6
Encoder/feedback system
6.7
Monitoring
372
Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14
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6.7.4
Encoder value monitoring
For detecting invalid encoder values, a value range can be defined via the parameter
. When the encoder signal leaves the set value range, the bFail status signal of the
SB
is set to TRUE and the corresponding information is displayed bit-coded in
• Example 1: SSI laser distance meter
The bFail status signal can be used to detect an interruption of the laser beam or a dirty mirror.
• Example 2: SSI bar code scanner
In an application, an SSI bar code scanner is used to detect the workpiece ID and the workpiece
position. A setting of sensible limit values serves to use the bFail status signal to determine
whether the ID or the position of the SSI bar code scanner has been detected.
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