RD4 CANopen®
4.3 Diagnostic LEDs (Figure 3)
Five LEDs located next to the M16 power supply connector (see Figure 3) are
meant to show visually the operating or fault status of the CANopen interface
and the device as well. The meaning of each LED is explained in the following
table:
LED 1
GREEN
Description
ON
Indicates the power supply of the controller is
turned on
OFF
Indicates the power supply of the controller is
turned off
LED 2
Not used
LED 3
GREEN
RUN
Description
ON
Device in
Operational
state
Single flash
Device in
Stopped
state
Blinking led
Device in
Pre-Operational
state
LED 4
RED
ERR
Description
ON
Bus off
Double flash
Node guarding error (see on page 68)
Single flash
Maximum number of warning errors
Blinking led
OFF
No error
LED 5
GREEN
Description
ON
Indicates the motor is enabled (control loop
activated)
OFF
Indicates the motor is disabled (control loop
deactivated)
During initialisation, system checks the diagnostic LEDs for proper operation;
therefore they blink for a while.
MAN RD4 CB E 1.5
Electrical connections
20 of 72