LEDs
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10.3.2
LED CANopen Master (NHST-T100-CO/COM)
The subsequent table describes the meaning of the CAN LED of the NHST-
T100-CO/COM netHOST device:
LED
Color
State
Meaning
CAN
Position in the
device drawing:
(14)
Duo LED red/green
(green)
On
OPERATIONAL:
The device is in the OPERATIONAL state.
(green)
Blinking
(2.5 Hz)
PREOPERATIONAL:
The device is in the PREOPERATIONAL state.
(green)
Single flash
STOPPED:
The device is in STOPPED state.
(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).
(red)
Double flash
Error control event:
A guard event (NMT Slave or NMT Master) or a
heartbeat event (Heartbeat consumer) has occurred.
(red)
On
Bus off:
The CAN controller is in bus OFF state.
(off)
Off
RESET:
The device is executing a reset or the device has no
configuration.
Table 38: LED states for the CANopen Master protocol
LED states
Definition
Blinking (2.5
Hz)
The indicator turns on and off with a frequency of 2.5 Hz: “on” for 200 ms,
followed by “off” for 200 ms.
Single flash
The indicator shows one short flash (200 ms) followed by a long “off“
phase (1,000 ms).
Double flash
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).
Table 39: LED state definitions for the CANopen Master protocol
netHOST NHST-T100 | LAN controlled master devices
DOC130401UM05EN | Revision 5 | English | 2018-05 | Released | Public
© Hilscher 2013 – 2018
