ACC-72EX User Manual
Diagnostics
108
CANopen
– Slave – OPT31
The following table describes the meaning of the LEDs for the comX CANopen Slave communication
modules (COMX-CA-CO/ COMX-CNCOS) when the firmware of the CANopen Slave protocol is loaded
to the comX communication module:
CAN LED (COM0)
Color
State
Meaning
Green
Off
The device is executing a reset
Green
Single Flash
STOPPED: The Device is in STOPPED state
Green
Blinking
PREOPERATIONAL: The Device is in the PREOPERATIONAL state
The indicator turns on and off with a frequency of 2,5 Hz: on for 200 ms,
followed by off for 200 ms.
Green
On
OPERATIONAL: The Device is in the OPERATIONAL state
Red
Off
No Error: The Device is in working condition
Red
Single flash
Warning Limit reached: At least one of the error counters of the CAN controller
has reached or exceeded the warning level (too many error frames).
The indicator shows one short flash (200 ms) followed by a long off phase
(1,000 ms).
Red
Double flash
Error Control Event: A guard event (NMT Slave or NMTmaster) or a heartbeat
event (Heartbeat consumer) has occurred.
The indicator shows a sequence of two short flashes (each 200 ms), separated
by a short off phase (200 ms). The sequence is finished by a long off phase
(1,000 ms).
Red
On
Bus Off: The CAN controller is bus off
CC-Link
– Slave – OPT51
The following table describes the meaning of the LEDs for the comX CCLink Slave communication
modules (COMX 100CA-CCS/ COMX 100CNCCS) when the firmware of the CC-Link Slave protocol is
loaded to the comX communication module:
RUN/ERR LED (COM0)
Color
State
Meaning
Green
Off
1. Before participating in the network
2. Unable to detect carrier
3. Timeout
4. Resetting hardware
Green
On
Receive both refresh and polling signals or just the refresh signal normally, after
participating in the network.
Red
Off
1. Normal communication
2. Resetting hardware
Red
Blinking
The switch setting has been changed from the setting at the reset cancellation
(blinks for 0.4 sec.).
Red
On
1. CRC error
2. Address parameter error (0, 65 or greater is set including the number of
occupied stations)
3. Baud rate switch setting error during cancellation of reset (5 or greater)