Proface LT4300M - 5.7 Modular HMI + Control" - Manual (Page 47)

LT-4201TM/4301TM Installation Guide
47
English
System LED Display
NOTE:
 Ethernet LEDs are mounted next to the I/O terminal block.
 CANopen LED is mounted alongside the cover.
System LED Description
The table describes the status LEDs operations:
WARNING
UNINTENDED EQUIPMENT OPERATION
Do not connect wires to unused terminals or terminals marked “Not Connected (N.C.)”.
Failure to follow these instructions can result in death, serious injury, or equipment
damage.
Label Description LED
Color Status Description
CAN STS CANopen
status OFF No CANopen
configured CANopen is not active in the
application.
Single flash red /
with green ON Acceptable
detected error
limit threshold
has been
reached The controller has detected that the
maximum number of error frames has
been reached or exceeded.
Double flash red /
with green ON Node
Guarding or
Heartbeat
event The controller has detected either a
Node Guarding or Heartbeat exception
for the CANopen master or slave
device.
Red ON Bus off The CANopen bus is stopped.
Green ON The CANopen bus is operational.
IND1 Ethernet
status Green Off No connection or subsequent
transmission failure.
On Data transmission is available.
IND2 Ethernet
activity Green Off No data transmission.
On Data transmission is occurring.