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The L_LCB_LogicControlBasic library

L_LCB_SpeedToUnit - speed value conversion

146

Lenze · Commissioning of Lenze drives · 1.3 EN - 06/2014

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13.28 L_LCB_SpeedToUnit - speed value conversion

This FB converts a speed value specified in the internal unit [rpm] into a speed value in the real unit

of the machine 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_SpeedToUnit

DINT ⎯ diSpeedIn_s diSpeedOut_e4 ⎯ DINT

L_LCB_SetAxisData -

machine parameters

⎯ scAxisData xLimit ⎯ BOOL

xError ⎯ BOOL

eError ⎯ L_LCB_Error

Identifier/data type Information/possible settings

diSpeedIn_s

DINT

Velocity as speed in [rpm] 15000 rpm ≡ 2

= 67108864

scAxisData

L_LCB_SetAxisData -

machine parameters

Machine parameters

Identifier/data type Value/meaning

diSpeedOut_e4

DINT

Speed in [unit/s]

• 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

eError

L_LCB_Error

Error number, error code

1 2 ... 141 142 143 144 145 146 147 148 149 150 151 ... 158 159

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Lenze PLC Designer R3-x Manual de usuario Pagina 146

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