6ES7 138-4DB03-0AB0

Supply voltages

 

Load voltage L+

 
  • Rated value (DC)

24 V
  • permissible range, lower limit (DC)

20.4 V
  • permissible range, upper limit (DC)

28.8 V
  • Reverse polarity protection

Yes

Current consumption

 

from load voltage L+ (without load), max.

40 mA

Power losses

 

Power loss, typ.

1 W

Hardware configuration

 

Module exchange

 
  • Hot swapping the IM-DP

Yes
  • Module exchange under process voltage

Yes

Digital inputs

 

Number of digital inputs

1

Input voltage

 
  • for signal "0"

-30 to +5 V
  • for signal "1"

11 to 30 V

Input current

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

2 mA
  • for signal "1", typ.

9 mA

Cable length

 
  • Cable length, shielded, max.

50 m

Encoder supply

 

24 V encoder supply

 
  • 24 V

Yes
  • Short-circuit protection

Yes
  • Output current, max.

500 mA

Absolute encoder (SSI) encoder supply

 
  • Absolute encoder (SSI)

Yes
  • Output voltage

L+ (-0.8 V)
  • Output current, max.

500 mA
    • Short-circuit protection

Yes

Encoder

 

Number of connectable encoders, max.

1

Connectable encoders

 
  • Absolute encoder (SSI)

Yes

Encoder signals, absolute encoder (SSI)

 
  • Telegram length

13, 14, 16, 21, 24 & 25 bit
  • Binary code

Yes
  • Gray code

Yes
  • Cable length, shielded, max.

320 m; At 125 kHz
  • Monoflop time

16/32/48/64 µs

Interrupts/diagnostics/status information

 

Diagnostics indication LED

 
  • Group error SF (red)

Yes
  • Status indicator digital input (green)

Yes
  • Status indicator backward counting (green)

Yes
  • Status indicator forward counting (green)

Yes

Galvanic isolation

 

Galvanic isolation digital inputs

 
  • Galvanic isolation digital inputs

No; same potential with L+ and SSI

Galvanic isolation counter

 
  • between the channels and the backplane bus

Yes
  • between the channels and the load voltage L+

No

Dimensions and weight

 

Dimensions

 
  • Width

15 mm
  • Height

81 mm
  • Depth

52 mm

Weight

 
  • Weight, approx.

40 g