Indicator Description

Coupler power indicator:

① Green steady on: US powered normally;

② Off: US not powered;

③ Yellow indicator steady on: US undervoltage under normal power supply (indicated when below 20 V)

Note: When UA is powered normally and US is not powered, the US indicator does not light red as an indication but remains off

Peripheral power supply indicator:

① Green steady on: UA powered normally;

② Off: UA not powered;

③ Yellow indicator steady on: UA undervoltage while US is powered normally (undervoltage is indicated when the voltage drops below 20 V)

Note: When US is powered normally and UA is not powered, the UA indicator lights red as a reminder

Communication indicator:

Red indicator steady on: EtherCAT communication failure

Red indicator off: EtherCAT communication normal

① Red indicator flashing (1 Hz): IO-Link configuration error—the configured bytes are fewer than the slave attributes (input/output byte counts), or the configured model is inconsistent with the actually connected model; IO-Link configuration exceeds 32 bytes

② Red blinking (5 Hz): IO-Link slave digital DO output short circuit

③ Red indicator off: No error.

XF1 communication indicator: the green indicator lights up to indicate the XF1 communication connection.

XF2 communication indicator: the green indicator lights up to indicate the XF2 communication connection.

IO-Link communication indicator:

① Green indicator steady on: IO-Link communication connection normal;

② Green blinking (1 Hz): IO-Link communication connection abnormal;

③ Green indicator off: IO-Link mode not enabled

④ Red blinking (1 Hz):

1. IO-Link configuration error on this port;

2. Port IO-Link slave undervoltage

⑤ Red LED flashing (5 Hz): IO short circuit on the IO-Link digital slave or on the DO extension module behind the slave

⑥ Red indicator steady on: IO-Link PIN4 communication line short circuit

PIN2 signal indicator

In Class A mode:

① Green indicator steady on: PIN2 has PNP signal input or output

② Green indicator off: PIN2 has no PNP signal input or output

③ Red indicator steady on: PIN2 short circuit

In Class B mode:

① Green indicator steady on: PIN2 has 24 V output

② Green indicator off: PIN2 has no 24 V output

③ Red indicator steady on: PIN2 short circuit

00 indicator:

① Green indicator steady on: PIN4 has PNP signal input

② Green indicator off: PIN4 has no PNP signal input

01 indicator:

① Green indicator steady on: PIN2 has PNP signal input or output

② Green indicator off: PIN2 has no PNP signal input or output

③ Red indicator steady on: PIN2 short circuit

00 indicator:

① Green indicator off: PIN4 has no signal output

② Green indicator steady on: PIN4 has signal output

③ Red indicator steady on: PIN4 short circuit

01 indicator:

① Green indicator steady on: PIN2 has PNP signal input or output

② Green indicator off: PIN2 has no PNP signal input or output

③ Red indicator steady on: PIN2 short circuit

IO-Link mode:

00 and 01 red indicators blinking simultaneously (1 Hz): power PIN1 short circuit

PNP/NPN output mode, PNP input mode:

00 and 01 red indicators blinking simultaneously (1 Hz): power PIN1 short circuit