6ES7 451-3AL00-0AE0

Supply voltages

Rated value

• 24 V DC

Yes

Current consumption

Current consumption, max.

550 mA

Connection method

required front connector

1x 48-pin

Digital inputs

Number of digital 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.

6 mA

• for 2-wire BERO

• for signal "1", typ.

30 mA

Digital outputs

Number of digital outputs

12; 4 per axis

Functions

Rapid traverse, creep, run right, run left

Short-circuit protection

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 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

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.

1 MHz

Encoder signals, incremental encoder (asymmetrical)

• Trace mark signals

A, B

• Zero mark signal

N

• 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

• Telegram length

13 or 25 bit serial

• Clock frequency, max.

1.25 MHz

• Gray code

1

• 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

Environmental requirements

Operating temperature

• Min.

0 °C

• max.

55 °C

Storage/transport temperature

• Min.

-40 °C

• max.

70 °C

Relative humidity

• Humidity class F

Yes

Degree of protection

IP20

Yes

Dimensions and weight

Dimensions

• Width

50 mm

• Height

290 mm

• Depth

210 mm

Weight

• Weight, approx.

1 300 g