Bronkhorst®
Instruction Manual EL-FLOW® Select
9.17.099J
24
3.5.1.1
Interface status
On instruments with an Ethernet based fieldbus interface, a third LED (bi-color'; green and red) indicates the status of the
communication interface:
Pattern
Time
EtherCAT®
PROFINET
l
off
continuous
Power off or initializing
Interface not (yet) started
l
on, green
continuous
Normal operation
Normal operation, application relation
established with I/O controller
l
blinking,
green
0.2 sec on,
0.2 sec off
Pre-operational
Initializing
l
blinking, red
0.2 sec on,
0.2 sec off
Invalid state change
Link status OK, no application relation
with I/O controller
l
on, red
continuous
n/a
No link
l
single flash,
red
0.2 sec on,
1 sec off
Invalid configuration
n/a
l
double flash,
red
0.2 sec on,
0.2 sec off,
0.2 sec on,
1 sec off
Communication timeout (e.g.
communication cable disconnected)
n/a
Ethernet indicators
On instruments with an Ethernet based interface, the RJ-45 connection sockets have two integrated LED indicators, with
standard Ethernet functionality:
Amber: Ethernet speed
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:
l
/
l
MOD
Module status
l
/
l
NET
Network status
Module status
Pattern
Time
Indication
l
off
continuous
No power
l
on, green
continuous
Normal operation mode
l
blinking,
green
0.5 sec on,
0.5 sec off
Device is in standby mode or configuration is missing, incomplete or incorrect
l
/
l
alternating 0.5 sec green,
0.5 sec red
Self test mode
l
on, red
continuous
Critical error; the instrument needs servicing before it can be used