Bronkhorst EL-FLOW Base 2014 - Manual (Page 22)

BRONKHORST HIGH-TECH
3.5 Push-button operation
By means of manual operation of the micro push-button switch some important actions for the
instrument can be selected/started. These options are available in both analog and digital operation
mode.
LED’s Time
Pushed
Indication
   Green    Red
Off Off 0 – 1 sec Pressing a switch shortly by accident will not cause
unwanted reactions of instrument.
Pressing the switch 3x briefly with intervals of max. 1 sec.
will force instrument to indicate its bus-address/MAC-ID
and evt. baud rate. Check chapter 3.4, “Modbus RS485
operation” for more detials.
Off Off 1 – 4 sec
Off On 4 – 8 sec Reset instrument
Instrument program will be restarted and all warning and
error message will be cleared
During (new) start-up instrument will perform a (new)
self-test
On Off 8 – 12 sec Auto-zero
Instrument will be re-adjusted for measurement of zero-
flow (not for pressure meter/controller)
NOTE: First make sure there is no flow and instrument is
connected to power for at least 30 minutes!
On On 12 – 16 sec Prepare instrument for FLASH mode for firmware update.
Instrument shuts down and both LEDs turn off.
At next power-up instrument will be active again.
LED indications using micro-switch at normal running mode of an instrument
LED’s Time
Pushed
Indication
   Green    Red
off Off 0 – 4 sec No action
Pressing a switch shortly by accident will not
cause unwanted reactions of the instrument
off normal flash 4 – 8 sec Restore parameters
All parameter settings (except field bus settings) will be
restored to situation of final test at BHT production
normal flash Off 8 – 12 sec No action
normal flash normal flash 12 – 16 sec Manual install. The bus address and baudrate can be
changed by means of micro-switch en LEDs.
The procedure is described in 3.4.1 (Change bus-
address/MAC-ID and baud rate).
LED indications using micro-switch at power-up situation of an instrument
3.6 LED indications
LED’s Time Indication
   Green    Red
slow wink 0.2 sec on,
0.2 sec off
Wink mode
By a command send to the instrument.
fast wink 0.1 sec on,
0.1 sec off
Switch-released, selected action started.
Green and Red LED turn-by-turn indication modes (no switch used)
   Green LED Time Indication
Off Continuously Power-off or program not running
On Continuously Normal running/operation mode
Flash 0.2 sec on, Special function mode
Page 22 EL-FLOW Base Series Mass Flow Controllers 9.17.061