Lenze PLC Designer V2.x - Manual (Page 316)

PLC Designer V2.x| Lenze Application Samples
The L_SSC_Scaling.lib library
L_SSC_AccToUnit - conversion block (for 9400 device series)
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1.3 EN - 07/2012
20 The L_SSC_Scaling.lib library
20.1 L_SSC_AccToUnit - conversion block (for 9400 device series)
This FB converts an acceleration value specified in the internal unit [rpm/s] to an
acceleration value in the real unit of the machine on the basis of the machine parameters
transmitted.
Inputs
Outputs
Identifier/data type Information/possible settings
diAccIn_x
DINT
Acceleration as speed variation/time
in [rpm/s] 15000 rpm/s ≡ 2 22 = 4194304
scAxisData
SSC_Axis_logic
Machine parameters
Identifier/data type Information/possible settings
diAccOut_e4
DINT
Acceleration in unit/s 2 ]
• Display in "e4" view (fixed point with four decimal positions)
xLimit
BOOL
"Output signal is limited" status
• TRUE: The output signal is limited to the representable value range
±214748.3647
xError
BOOL
"Error" status signal
FALSE Conversion carried out without errors
TRUE Error during the conversion