Baumer GCMMW Handbuch - Seite 14

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Baumer GCMMW Handbuch
Important note for multiturn encoder operation
This encoder supports „Endless Operation" automatically if required.
Thus, there are no special requirements for the encoder parameters "total measuring range" and
"measuring units per revolution" to stand in a certain ratio.
With endless operation active, the encoder shaft must not rotate when the encoder is not
powered. In those cases where powerless motion cannot be avoided, the encoder has to be
referenced (presetted) after each power-up. With Endless Operation inactive, the encoder shaft may
rotate unlimited when encoder not powered.
How to determine if „Endless Operation" is in use:
Multiply the encoder's „max. possible revolutions" (depending on encoder 16 bit = 65536 or 13
bit = 8192) by your chosen parameter „measuring units per revolution".
Divide this value by your chosen „total measuring range".
If there is a division remainder, endless operation is in use.
Example for parameters without endless operation:
Maximum possible revolutions
Measuring units per revolution
Total measuring range
Calculation:
Example for parameters with endless operation:
Maximum possible revolutions
Measuring units per revolution
Total measuring range
Calculation:
Maximum Failures Master lifesign
Designation of the maximum number of tolerated failures in master lifesign transmission in output
word STW2. Upon exceeding the number of tolerated failures an error signal is output in G1_XIST2
which has to be acknowledged.
Any monitoring of the Master lifesign will only take place respectively begin if the values transmitted
by the control in master lifesign are unequal to zero.
Hex parameterization
The hexadecimal data described only reflect the actual settings in the form they are transmitted to the
encoder and by no means should be altered in any way.
Manual_ProfibusDPV2_BIDE_EN.docx
22.11.12
65536
(16 bit multiturn)
3600
29.491.200
(8192 x 3600)
65536 x 3600 / 29.491.200 = 8 (no remainder)
65536
(16 bit multiturn)
3600
100.000
65536 x 3600 / 100.000 = 2359 remainder 29600
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Baumer IVO GmbH & Co. KG
Villingen-Schwenningen, Germany