Bronkhorst EtherCAT - Manual (Page 15)

BRONKHORST ®
6 DIAGNOSTICS
6.1 E
THER
CAT
STATUS INDICATOR
Bronkhorst instruments contain an EtherCAT two color status led: green and red. The led indicates the actual
EtherCAT run state (green) and the actual error state (red).
The status led has several indicator states, which are applicable for both green and red. They are described in the
table below.
Indicator state Definition
on The indicator is constantly on
off The indicator is constantly off
blinking The indicator is repeatedly on for 200 ms and off for 200 ms
single flash The indicator is repeatedly on for 200 ms and off for 1000 ms
double flash
The indicator shows repeatedly a sequence of two short flashes (200
ms), separated by an off phase (200 ms), followed by a long off phase
(1000 ms)
6.1.1 Run indicator
EtherCAT state Indicator state (green)
Init off
Pre-Operational blinking
Safe-Operational single flash
Operational on
6.1.2 Error indicator
Error state Indicator state (red)
No error off
• invalid state change commanded by master (e.g. from
Init to Operational)
• request for state change to an unsupported state (e.g.
Bootstrap)
• request for state change to an unknown state
blinking
• invalid mailbox configuration
• invalid SyncManager configuration
single flash
Application watchdog timeout (e.g. when EtherCAT
communication cable is removed)
double flash
Page 15 EtherCAT interface 9.17.063