coval LEMCOM 60, User Manual, Page: 14 / 50

LEMCOM CANopen®
– User manual
Meaning of indicator lights
COVAL
– LMCOP-EN-A-1155UM0068
13/49
4.1 Module Status (MS) indicator light
Red LED
Green
LED Meaning
OFF OFF
No power : Check power supply connection.
OFF Flashing
Standby : Module not configured (e.g. no address assigned to a secondary
module).
OFF ON Operational : The module is configured and working properly.
Flashing OFF
Major recoverable fault : Incorrect vacuum parameters, supply voltage fault,
internal temperature of module too high
ON OFF Critical unrecoverable fault : Lost part, firmware fault
Flashing Flashing Self-test : Running module startup phase
Table 2
– Indicator lights for overall module status
4.2 CAN-RUN and CAN-ERR indicator lights
The RUN (G3) and ERR (R1) indicator lights operate according to the DR-303-3 recommendations
of the CiA. These LEDs are used to determine the status of the CANopen communication.
LED states and flashing periods:
LED state Description
OFF Always off
ON Always on
Fast flashing Frequency = 10 Hz: 50 ms ON
– 50 ms OFF
Slow flashing Frequency = 2.5 Hz: 200 ms ON
– 200 ms OFF
1 flash 1 short flash of 200 ms every second
2 flashes 2 short flashes of 200 ms separated by 200 ms every second
3 flashes 3 short flashes of 200 ms separated by 200 ms every second
Table 3
– States of the CAN-RUN and CAN-ERR LEDs
The CAN-RUN LED indicates the status of the product in relation to the NMT startup graph.
Figure 8
– CANopen NMT state machine (source: CiA)