6ES7 138-4DC00-0AB0

Supply voltages

Load voltage L+

• Rated value (DC)

24 V

Power losses

Power loss, typ.

1.5 W

Digital inputs

Number of digital inputs

2

Functions

Reference cams, pulse suppression, external stop, limit switch

Repeat frequency, max.

100 Hz

Input characteristic curve acc. to IEC 1131, Type 2

Yes

Input voltage

• Rated value, DC

24 V

• for signal "0"

-30 to +5 V (-15% / +20%)

• for signal "1"

11 to 30 V

Input current

• for signal "0", max. (permissible quiescent current)

2 mA

• for signal "1", typ.

9 mA

Input delay (for rated value of input voltage)

• for standard inputs

• at "0" to "1", max.

4 ms

• at "1" to "0", max.

4 ms

Cable length

• Cable length, shielded, max.

1 000 m

• Cable length unshielded, max.

600 m

Encoder

Connectable encoders

• 2-wire BEROS

Yes

Drive technology

Cable length, max.

100 m; twisted and shielded in pairs

Step-by-step controllers

Connection for stepper motors

Differential signals for pulses (PULSE, notPULSE) and direction (DIR, notDIR) to RS422

Number of stepper motor channels

1

Interrupts/diagnostics/status information

Diagnostics indication LED

• Description

1 green LED for status indication "Ready for positioning jobs"

• Positioning mode POS (green)

Yes

• Group error SF (red)

Yes

• Status indicator digital input (green)

Yes

Dimensions and weight

Dimensions

• Width

15 mm

• Height

81 mm

• Depth

52 mm

Weight

• Weight, approx.

40 g