Manual

Supplementary Manual CANopen for NORDAC SK 20E
32 Subject to technical amendments BU 0260 GB
3.1.2.2 CANopen displays
The status of the CANopen module is indicated by the CR and CE LEDs.
CR (CANopen RUN) indicates the status of the CANopen bus status machine.
CR (CANopen ERROR) indicates the status of the CANopen bus state.
Displays of the CANopen bus status machine
LED (green)
CR
 CANopen RUN
Significance
... Single flashing = (0.2s cycle)
... Double flashing (1.6s cycle, flashing interval 0.2s)
OFF Module not in operation
ON
OPERATIONAL
"Normal operation" → complete reference data communication
(PDO communication is "on")
Flashing
(simple)
STOPPED
 Only NMT communication possible (monitoring and initialisation functions)
Flashing
(double)
PRE-OPERATIONAL
Restricted reference data communication
→ SDO communication is "on"
→ PDO mapping possible
→ PDO communication is "off"
CANopen bus status display
LED (red)
CE
 CANopen ERROR
Significance
... Single flashing = (0.2s cycle)
... Double flashing (1.6s cycle, flashing interval 0.2s)
OFF No error
ON
Bus OFF
Flashing
(simple)
Bus Warning
 No other subscribers present
No valid ID (DIP switch = 0) (See Section 2.2.3 "Configuration")
 Bus error
Wiring faulty
→ Check cable length
→ Avoid spur cables
Flashing
(double)
Timeout
A process data monitoring function has triggered
→ Node-guarding or
→ The time set in parameter (P151) has expired without
new process data being received
Note: The "node-guarding" error is reset by restarting the monitoring (remote).