EP1839-0022, EP1839-0042

Notice

Incorrect signal levels due to electromagnetic interference

If the input filter is disabled or the filter time is low, the inputs can be susceptible to electromagnetic interference.

Under the influence of electromagnetic interference, a false signal level can be detected.

  • If necessary, use shielded signal lines.
EP1839-0022, EP1839-0042 1:
M12 socket

Pin

Function

Wire color 1)

1

US1 … US8 2)

brown

2

Input B

white

3

GNDS

blue

4

Input A

black

5

FE (Functional earth)

gray

1) The core colors apply to M12 cables from Beckhoff: ZK2000-5xxx, ZK2000-6xxx, ZK2000-7xxx

2) Sensor supply: The output voltages US1 … US8 are branched off from the supply voltage US. Each output is independently short-circuit proof.

Connection examples

EP1839-0022, EP1839-0042 2:

Status LEDs

Each M12 socket has two status LEDs.

EP1839-0022, EP1839-0042 3:

Light signal of a status LED

Meaning

green illuminated

The input signal is logical high.

red illuminated

Wire breakage. See chapter Wire break detection (EP1839-0022, EP1839-0042).

both LEDs light up red

Two possibilities: