28 l_lcb_speedtounit - speed value conversion, L_lcb_speedtounit - speed value conversion ( 146), The l_lcb_logiccontrolbasic library – Lenze PLC Designer R3-x User Manual
Page 146

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
⎯ scAxisData
xLimit ⎯ BOOL
xError ⎯ BOOL
eError ⎯
Identifier/data type
Information/possible settings
diSpeedIn_s
DINT
Velocity as speed in [rpm] 15000 rpm ≡ 2
26
= 67108864
scAxisData
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
Error number, error code