Diagnosis; Diagnosis Leds; Diag1 (Green); Diag2 (Red) - Beckhoff KL6904 Operating Instructions Manual

6

Diagnosis

6.1

Diagnosis LEDs

Fig. 38: Diagnosis LEDs
6.1.1

Diag1 (green)

The Diag 1 LED indicates the state of the TwinSAFE interface.
Flashing Code
LED illuminated continuously
rapid flickering, alternating with 1 flash pulse
rapid flickering, alternating with 2 flash pulses
rapid flickering, alternating with 3 flash pulses
These errors can be rest through a falling edge at the ERR_ACK input of the TwinSAFE group.
6.1.2

Diag2 (red)

The Diag 2 LED indicates the state of the digital outputs.
Flashing Code
rapid flickering, alternating with 1 flash pulse
rapid flickering, alternating with 2 flash pulses
rapid flickering, alternating with 3 flash pulses
rapid flickering, alternating with 4 flash pulses
rapid flickering, alternating with 5 flash pulses
KL6904
Meaning
normal operation:
TwinSAFE communication OK
Communication error: at least one connection is not
in Run state.
Error in the function block
Error in the function block and
communication error: at least one connection is not in
Run state.
Meaning
Output 1: Open load or current below minimum value
of 20 mA or current above maximum value of 500 mA
Output 2: Open load or current below minimum value
of 20 mA or current above maximum value of 500 mA
Output 3: Open load or current below minimum value
of 20 mA or current above maximum value of 500 mA
Output 4: Open load or current below minimum value
of 20 mA or current above maximum value of 500 mA
Field voltage too low
Version: 3.0.0
Diagnosis
49