Bronkhorst®
Instruction Manual EL-FLOW® Prestige
9.17.084N
29
•
Green and
•
red (alternating)
Pattern
Time
Indication
slow wink
1 sec on,
1 sec off
Alarm indication; minimum/maximum alarm, power-up alarm, limit reached or batch
size reached
normal wink
0.2 sec on,
0.2 sec off
Wink mode; by sending a command to the
Wink
parameter, the instrument flashes its
LEDs to indicate its physical location
fast wink
0.1 sec on,
0.1 sec off
Selected action started (after releasing the multifunctional switch)
DeviceNet™ LED indications
Specific LED indications are applicable to instruments with DeviceNet™ interface. Note: the ‘NET’ and ‘MOD’ LEDs are bi-
colored LEDs (green/red). Refer to the DeviceNet™ manual,
document 9.17.026
, for more information.
EtherCAT® LED indications
Specific LED indications are applicable to instruments with EtherCAT® interface. Refer to the EtherCAT® manual,
document
9.17.063
, for more information.
PROFINET LED indications
Specific LED indications are applicable to instruments with PROFINET interface. Refer to the PROFINET manual,
document
9.17.095
, for more information.
3.8
Micro switch functions
Some special functions of the instrument can be started manually using the multifunctional switch near the indication
LEDs. These functions are available in analog as well as in digital operation mode.
The micro switch on top of the EL-FLOW® Prestige can be operated with a thin metal or hard plastic pin, e.g. the end of a
paperclip.
3.8.1
Normal operating functions
·
In order to access these functions, press and hold the switch while the instrument is in normal operation mode (green
LED glowing).
·
As long as the switch is held, the LEDs show a repeating sequence of patterns, where each pattern indicates a function.
·
All indications in this sequence are continuous.
·
Each pattern is shown for a number of seconds; in the table below the column
Hold time
indicates the time frame within
the sequence where the LEDs show the associated pattern.
·
To start a function, release the switch when the LEDs show the pattern of the required function.
•
(green)
•
(red)
Hold time Function
off
off
0…1 sec
No action
off
off
1…4 sec
1. In case of a min/max alarm: reset alarm
2. FLOW-BUS: Auto-install to bus - lets instrument obtain free node address if
configured node address is occupied
Note: min/max alarm (if any) has to be reset before auto install can be performed.
off
on
4…8 sec
Reset instrument; clear all warnings and error messages and restart the instrument
on
off
8…12 sec Auto-zero; re-adjust the zero-point of the instrument (flow meters/controllers only)
on
on
12…16 sec Enable FLASH mode for firmware update:
·
the instrument shuts down and both LEDs are switched off
·
at the next power-up, the instrument will be active again
See
for background information and instructions on how to adjust the zero point of an instrument.
Never perform a zeroing procedure before having taken notice of the instructions.
