Bronkhorst®
Instruction Manual EL-FLOW® Select9.17.099F 23
3.5.1.1 Interface status
EtherCAT® and PROFINET instruments are equipped with a third LED, to indicate the status of the communication interface.
This bi-color LED (green and red) can give the following indications:
Power off or initializing
Interface not (yet) started
Normal operation, application relation
established with I/O controller
Link status OK, no application relation
with I/O controller
0.2 sec on,
0.2 sec off,
0.2 sec on,
1 sec off
Communication timeout (e.g.
communication cable disconnected)
Ethernet indicators
RJ-45 connection sockets on EtherCAT® and PROFINET instruments have two integrated LED indicators, with standard
Ethernet functionality:
n Amber: Ethernet speed
n Green: Ethernet link/activity
3.5.1.2 DeviceNet™ indications
DeviceNet™ instruments have two bi-color LEDs (green/red) to indicate network and module status. The indications below
replace the standard LED indications:
•
/
•
(green/red) Network status (NET; left)
•
/
•
(green/red) Module status (MOD; right)
The tables below list the different LED indications:
Online , connected, link OK
Online, not connected; the instrument is online but has no connections to other
nodes or is not allocated to a master
Critical link failure; the device cannot connect to the network