Product details
Specifications
Recommand
Service & Policy

PRODUCT DETAILS

SIEMENS

ARTICLE NUMBER

6FM1721-3AA20

Warranty: One year • Availability: In stock

OFFICIAL PRODUCT NAME

SIMATIC WF 721 Single-Axis Positioning Module

Description: Coordinates one positioning axis with encoder feedback, fast digital I/O and an analog command-value interface in supported SIMATIC racks.

Tel : +86 17359287459Email : sales9@apterpower.com

SPECIFICATIONS / OFFICIAL ENGINEERING DATA

SINGLE-AXIS POSITIONING ENGINEERING PROFILE

The WF 721 is a dedicated single-axis positioning module for special-machine automation. Siemens documentation covers operation with incremental and serial absolute position encoders and integration in supported SIMATIC S5 and S7-400 racks.

OFFICIAL TECHNICAL DATA

Article number

6FM1721-3AA20

Module type

WF 721

Controlled axes

Encoder types

Incremental or serial absolute

Incremental frequency

Up to 250 kHz

Absolute data rate

Up to 125 kbit/s

Fast digital inputs

Fast digital outputs

Internal supply

5 V via SIMATIC bus

24 V current consumption

1.0 A without encoder

FIRMWARE UPDATE

The installed software revision is identified on the module EPROM label. Preserve the documented revision and machine data when servicing or replacing the unit.

CONFIGURATION & PROGRAMMING

Parameterize axis, encoder and fast-I/O functions through the documented WF 721 machine data and restore the original drive and encoder settings.

RECOMMAND

INSTALLATION & UPGRADE

Install the module only in a Siemens-documented SIMATIC rack position, maintain equipotential bonding and shielding, and reconnect the encoder and drive cables exactly.

APPLICATION SCENARIOS

Single-axis positioning for transfer systems, special-purpose machines, feed mechanisms, indexing equipment and legacy motion-control retrofits.

Siemens automation portfolio

6ES7407-0KA02-0AA0

6GK1411-2AB10

6ES7405-0KA02-0AA0

6ES7531-7KF00-0AB0

6GK5734-1FX00-0AA0

6FM1721-3AA20

6AV7862-2BD00-0AA0

6ES7131-1BL11-0XB0

6ES7134-0HF00-0XB0

6ES7355-2CH00-0AE0

6ES7414-2XK05-0AB0

6ES7416-3ES07-0AB0

6ES7511-1AK02-0AB0

6ES7513-1AL02-0AB0

6ES7134-7TD50-0AB0

6ES7431-7KF10-0AB0

6GK7343-1EX20-0XE0

6ES7326-1BK01-0AB0

6GK5400-8AS00-8AP2

6ES7313-5BE01-0AB0

Weidmüller u-remote

UR20-FBC-PN-IRT-V2

UR20-FBC-EIP

UR20-FBC-MOD-TCP

UR20-FBC-PB-DP-V2

UR20-16DI-P

UR20-8DI-P-2W

UR20-16DO-P

UR20-8DO-P

UR20-4RO-CO-255

UR20-4RO-SSR-255

UR20-4AI-UI-16

UR20-4AI-UI-16-DIAG

UR20-4AO-UI-16

UR20-4AO-UI-16-DIAG

UR20-4AI-RTD-DIAG

UR20-4AI-TC-DIAG

UR20-PF-I

UR20-PF-O

UR20-4AI-UI-12

UR20-2CNT-100

SERVICE & POLICY

Quote

Return commercial terms, lead time and delivery scope for the confirmed article.

Dispatch

Prepare confirmed goods for controlled packing and delivery.

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