9 control of two motor holding brakes, Control of two motor holding brakes, 12 basic drive functions – Lenze E94AxPExxxx User Manual

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Lenze · 9400 Servo PLC· Reference manual · DMS 4.0 EN · 11/2013 · TD05/06

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12

Basic drive functions

12.12

Brake control

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

12.12.9

Control of two motor holding brakes

The technical implementation is based on the control of an external relay by a digital output. The

relay contact then switches an external 24-V supply for both motor holding brakes:

[12-48] Interconnection example for controlling two motor holding brakes

Tip!
Two motor temperature sensors can be evaluated simultaneously via the two encoder

inputs X7 and X8 when two motors are used (e.g. double motor for a storage and retrieval

unit).

Temperature monitoring of a second motor

( 273)

GO

24O

DO1

DO2

DO3

DO4

M

M

BRK_bReleaseBrakeOut

K_BRK

Brake logic

Control

24 V DC

Digital I/O

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