Siemens Simatic M7-400 Uživatelský manuál stáhnout pdf (Strana 79)

SIMATIC S7-400

Function modules

FM 451 positioning module

6/79

Siemens ST 70 · 2013

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Overview

• Three-channel positioning module for rapid/slow-action drives

• 4 digital outputs per channel for motor control

• Displacement measurement incremental or synchronous-

serial

Note

Displacement measuring systems and precut/preassembled

cables for counting and positioning functions are available

under SIMODRIVE Sensor or Motion Connect 500.

www.siemens.com/simatic-technology

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Technical specifications

6ES7 451-3AL00-0AE0

Supply voltage

24 V DC Yes

Input current

Current consumption, max. 550 mA

Encoder supply

5 V encoder supply

•5 V Yes

• Output current, max.

210 mA

• Cable length, max.

35 m; at max. 210 mA

24 V encoder supply

• 24 V Yes

• Output current, max.

300 mA

• Cable length, max.

100 m; at max. 300 mA

Absolute encoder (SSI) encoder

supply

• Absolute encoder (SSI) Yes

• Output voltage

24 V DC

• Output current, max.

300 mA

• Cable length, max.

300 m; At max. 156 kbit/s

Digital inputs

Number/binary inputs 12; 4 per axis

Functions Reference cams, reversing cams,

flying actual value setting, start/stop

positioning

Input voltage

• Rated value, DC 24 V

• for signal "0"

-3 to +5 V

• for signal "1"

11 to 30 V

Input current

• for signal "1", typ. 6mA

• for 2-wire sensor

- for signal "1", typ. 30 mA

Digital outputs

Number/binary outputs 12; 4 per axis

Functions Rapid traverse, creep, run right,

run left

Functionality/short-circuit strength

Yes

Output voltage

• for signal "1", min. UP -3 V

Output current

• for signal "1" permissible range

for 0 to 55 °C, max.

600 mA; with UPmax

• for signal "0" residual current, max.

0.5 mA

Encoder

Connectable encoders

• Incremental encoder (symmetrical) Yes

• Incremental encoder (asymmetrical)

Yes

• Absolute encoder (SSI)

Yes

Encoder signals, incremental encoder

(symmetrical)

• Trace mark signals A, notA, B, notB

• Zero mark signal

N, notN

• Input signal

5 V difference signal (phys. RS 422)

• Input frequency, max.

1MHz

Encoder signals, incremental encoder

(asymmetrical)

• Trace mark signals A, B

• Zero mark signal

• Input voltage

24 V

• Input frequency, max.

50 kHz; for 25 m cable length,

25 kHz for 100 m cable length

• Cable length, shielded, max.

100 m

Encoder signals, absolute encoder

(SSI)

• Input signal 5 V difference signal (phys. RS 422)

• Data signal

DATA, notDATA

• Clock signal

CL, notCL

• Message frame length,

parameterizable

13 or 25 bit serial

• Clock frequency, max.

1.25 MHz

• Gray code

• Cable length, shielded, max.

300 m; At max. 156 kbit/s

Galvanic isolation

Galvanic isolation digital inputs

• Galvanic isolation digital inputs Yes

Galvanic isolation digital outputs

• Galvanic isolation digital outputs Yes

Degree and class of protection

IP20 Yes

Ambient conditions

Operating temperature

•Min. 0°C

•max.

55 °C

Storage/transport temperature

•Min. -40 °C

•max.

70 °C

Relative humidity

• Humidity class F Yes

Connection method

required front connector 1x 48-pin

Dimensions

Width 50 mm

Height 290 mm

Depth

210 mm

Weight

Weight, approx. 1 300 g

6ES7 451-3AL00-0AE0

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