Lenze DDS Function library 9300 Servo Manual do Utilizador descarregar pdf (Página 11)

Function block library Lenze9300Servo.lib

Special functions

2.1.1 Holding brake (L_BRK)

2−1

Lenze9300Servo.lib EN 1.1

2 Function blocks

2.1 Special functions

2.1.1 Holding brake (L_BRK)

This FB controls a holding brake. You can use it, for instance, for hoists and traversing drives, as well

as for active loads.

DCTRL_bCInh_b

MCTRL_nNAct_a

MCTRL_nNSet2_a

MCTRL_nMA ct_a

bSet_b

nNx_a

nSign_a

SIGN

nMSet

t 0

wActivationTime

t 0

wReleaseTime

L_BRK

bQSP_b

bOut_b

bMStore_b

bCInh_b

nMSetOut_a

CTRL

Abb. 2−1 Holding brake (L_BRK)

VariableName

DataType SignalType VariableType Note

bSet_b Bool binary VAR_INPUT

nNx_a Integer analog VAR_INPUT Speed threshold from which the drive can output the

signal "close brake". The signal source for this input

can be a control code, a fixed value or any other

analog output of a FB.

nSign_a Integer analog VAR_INPUT Direction of the torque which the drive has to build up

against the brake. The signal source for this input can

be a control code, a fixed value or any other analog

output of a FB.

bQSP_b Bool binary VAR_OUTPUT QSP can be triggered in conjunction with MCTRL.

bOut_b Bool binary VAR_OUTPUT Set the brake

bMStore_b Bool binary VAR_OUTPUT provide a defined holding torque

bCInh_b Bool binary VAR_OUTPUT A controller inhibit can be set in conjunction with

DCTRL.

nMSetOut_a Integer analog VAR_OUTPUT Holding torque of the DC injection brake

16384 = value of C0057 (max. possible torque for the

drive configuration)

wReleaseTime Word − VAR CONSTANT RETAIN Brake disengaging time

wActivationTime Word − VAR CONSTANT RETAIN Brake engaging time

nMSet Integer − VAR CONSTANT RETAIN Holding torque

DCTRL_bCInh_b Bool − −

These signals are processed as quantities within the

FB.

MCTRL_nNAct_a Integer − −

MCTRL_nNSet2_a Integer − −

MCTRL_nMAct_a Integer − −

Parameter codes of the instances

VariableName L_BRK1 SettingRange Lenze

wReleaseTime C0196 0.0 ... 60.0 s 0.0

wActivationTime C0195 0.0 ... 99.9 s 99.9

nMSet C0244 −199.99 ... 199.99 % 0.00

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 28 29

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