Lenze 8400 motec Manual do Utilizador descarregar pdf (Página 474)

12 Function library

12.11 L_JogCtrlExtension_1

474

Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05

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12.11 L_JogCtrlExtension_1

This function extension is available from version 05.00.00!

This FB is connected upstream to the L_NSet_1

ramp function generator/setpoint generator to

implement a switch-off positioning at limit switch.

• Detailed information on this operating mode can be found in the description of the TA "Switch-

off positioning". ( 238)

Inputs

Identifier

Data type

Information/possible settings

bInputSel1

bInputSel2

BOOL

Activation of the bSlowDown1/bStop1, bSlowDown2/bStop2 and bSlowDown3/

bStop3 signal pairs according to the Truth table for activating the pre-switch off

bRfgIn

BOOL

Ramping down the ramp function generator in the downstream FB L_NSet_1

according to the Truth table - switch-off positioning

bJog1In

bJog2In

BOOL

Selection inputs for setting fixed speeds in the setpoint generator

• If the pre-switch off is inactive (bInputSel1 and bInputSel2 are both set to FALSE),

the two control signals are output one-to-one at the bJog1Out and bJog2Out

outputs.

• To achieve the desired behaviour (starting at high speed, pre-switch off at low

speed), both inputs must be set to TRUE.

• Fixed setpoint 2 must be less than fixed setpoint 3!

Otherwise, the drive will start at a low speed and accelerate after the pre-switch

off.

bSlowDown1

bSlowDown2

bSlowDown3

BOOL

Activation of the fixed setpoint 2 in the downstream FB L_NSet_1

• These inputs only fulfil a function if they have been activated via bInputSel1 and

bInputSel2 previously (see Truth table for activating the pre-switch off

bStop1

bStop2

bStop3

BOOL

Ramping down of the ramp function generator in the downstream FB L_NSet_1

• These inputs only fulfil a function if they have been activated via bInputSel1 and

bInputSel2 previously (see Truth table for activating the pre-switch off

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