Lenze PLC Designer R3-x - Manual (Page 147)

Lenze · Commissioning of Lenze drives · 1.3 EN - 06/2014
147
The L_LCB_LogicControlBasic library
L_LCB_UnitToAcc - acceleration value conversion
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13.29 L_LCB_UnitToAcc - acceleration value conversion
This FB converts an acceleration value specified in the real unit of the machine to an internal
acceleration value on the basis of the machine parameters transmitted.
Inputs
Outputs
Function library: L_LCB_LogicControlBasic
Runtime software licence:  LPC 1x00  MPC 1x00  MPC 2xx0  MPC 3x00
L_LCB_UnitToAcc
DINT ⎯ diAccIn_e4 diAccOut_x ⎯ DINT
L_LCB_SetAxisData -
machine parameters
⎯ scAxisData xLimit ⎯ BOOL
xError ⎯ BOOL
eError ⎯
L_LCB_Error
Identifier/data type Information/possible settings
diAccIn_e4
DINT
Acceleration in unit/s2]
Selection in "e4" view (fixed point with four decimal positions)
scAxisData
L_LCB_SetAxisData -
machine parameters
Machine parameters
Identifier/data type Information/possible settings
diAccOut_x
DINT
Acceleration as speed variation/time in [rpm/s]
15000000 rpm/s ≡ 2 22 = 4194304
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
eError
L_LCB_Error
Error number, error code