Bronkhorst PROFIBUS-DP slave interface - Manual (Page 23)

BRONKHORST ®
8 TROUBLESHOOTING
8.1 L
ED INDICATION
Led Time Indication

  Green
off Continuously Power-off or program not running
on Continuously Normal running/operation mode
Short flash 0.1 sec on,
2 sec off
• Initialization mode
• Secured parameters can be changed
• Safe state active
normal flash 0.2 sec on,
0.2 sec off
Special function mode
Instrument is busy performing any special function.
E.g. auto-zero or self-test
   Red
off Continuously No error
short flash 0.1 sec on,
2 sec off
Bus communication warning. Instrument functions o.k.
No data-exchange between master and slave.
Automatic recovery.
normal flash 0.2 sec on,
0.2 sec off
Warning message.
An error occurred of minor importance.
It would be wise to investigate the cause of this.
You are still able to work with your instrument.
long flash 2 sec on,
0.1 sec off
A requested parameter is not available.
See troubleshoot in Profibus manual.
on Continuously Critical error message.
A serious error occurred in the instrument.
Instrument needs service before further using.
Wink Mode    Green    Red    Green    Red turn by turn
slow wink 0.2 sec on,
0.2 sec off
Wink mode
By a command send via FLOW-BUS the instrument can “wink”
with Led’s to indicate its position in a (large) system
normal wink 1 sec on,
1 sec off
Alarm indication: minimum alarm, limit/maximum alarm; power-
up alarm or limit exceeded or batch reached.
fast wink 0.1 sec on,
0.1 sec off
Switch-released, selected action started
Page 23 PROFIBUS DP interface 9.17.025