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Siemens SINUMERIK 840C Installation Instructions

Siemens SINUMERIK 840C
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12 Functional Descriptions 10.94
12.19.5 DC link buffering and monitoring of generator minimum speed limit
12.20.5 DC link buffering and monitoring of generator minimum
speed limit
12.20.5.1 DC link buffering
An axis/spindle can buffer the DC link by means of generator-mode braking. This function can
be selected through appropriate parameterization of 611D machine data and activation of
generator operation by programming commands.
Generator operation
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Drive MD 1634
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600V/625V
ZK2 message:
DC link generator active
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DC link voltage
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Drive MD 1633
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n_GEN
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Drive MD 1632
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Drive MD 1635
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280V
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Drive MD 1631
ZK2 message:
Generator speed < drive MD 1635
ZK2 message:
DC link voltage > drive
MD 1634
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Actual speed value
When the DC link voltage drops below the minimum threshold value set in drive MD 1631, the
axis/spindle concerned switches from position-controlled or speed-controlled operation into an
operating mode controlled by the DC link. When the drive is braked (through input of speed
12–218
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)

Table of Contents

Other manuals for Siemens SINUMERIK 840C

Preview: User Guide
User Guide291 pages
Preview: Diagnostics Guide
Diagnostics Guide260 pages
Preview: Operator's Guide
Operator's Guide301 pages
Preview: Installation Guide
Installation Guide189 pages
Preview: Planning Guide
Planning Guide375 pages

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Siemens SINUMERIK 840C Specifications

General IconGeneral
BrandSiemens
ModelSINUMERIK 840C
CategoryControl Unit
LanguageEnglish

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