12 | RUW-01
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CANopen Remote Unit
6 DIAGNOSIS
The RUW-01 presents diagnosis through LED’s that indicate the status of every
digital input and output, and the communication status.
Communication
LED’s
Digital output
LED’s
Digital input
LED’s
Figure 7:
RUW-01 LED indications
6.1 COMMUNICATION DIAGNOSIS
The communication presents two LED’s: CAN (NET 1) and ERROR (NET 2).
CAN LED (NET 1): CANopen protocol status indication.
ERROR LED (NET 2): CAN interface status indication.
The tables bellow show the behavior of those LED’s in function of the remote unit
status of RUW-01:
Table 3:
Remote unit operational status indication
Status
CAN LED
Description
STOPPED
Flashing green,
once every second
The device is in the Stopped status, according to
the CANopen protocol specification
PRE-
OPERATIONAL
Flashing green
every 200 ms
The device is in the Pre-operational status. PDOSs
are not available for the communication
OPERATIONAL Constant green
The device is in the Operational status. All the
communication objects are available