139 l_posctrllin_1, 139 l_posctrllin_1 8, L_posctrllin_1 – Lenze 8400 User Manual
Page 1378: Bexec, Bset, Bena, Decel, 18 function library
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18
Function library
18.1
Function blocks | L_PosCtrlLin_1
1378
Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
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18.1.139
L_PosCtrlLin_1
This FB serves to implement the following positioning functions:
• Bring drive to curve position (e.g. after mains connection, manual jog, homing)
• Release drive from curve and bring it to safe position (position override function)
• Positioning the X axis via X offset (higher-level positioning)
• Positioning the Y axis via Y offset (higher-level positioning)
Inputs
Identifier
Data type
Information/possible settings
bExecute
BOOL
Execute positioning profile
• Only possible if the bEnable input is set to TRUE.
FALSE No positioning/positioning is aborted.
• The speed at the nNOut_v output is braked to standstill via the
deceleration ramp set in
(nNOut_v = 0).
• At the same time, the dnPosOut_p output is stopped.
FALSETRUE Positioning is executed/continued.
• In case of an activated limit stop (
= TRUE), a renewed
positive edge for a following positioning procedure is required.
bSetPos0
BOOL
Travel to zero position
• Only possible if the bEnable input is set to TRUE.
FALSE The value at the dnSet_p input is used as setpoint position.
TRUE The value at the dnSet_p input is ignored. The setpoint position is
internally set to "0" and the dnPosOut_p output can be travelled to
zero position.
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