Bronkhorst®
Instruction Manual ES-FLOW™
9.17.145E
31
3.3.6.1
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.
3.3.6.2
Control mode - readout/change
Reading control mode
·
By briefly pressing the switch 2 times with intervals of up to 1 second in normal operation mode, the instrument shows
its current control mode with a series of consecutive LED indication patterns.
·
The number of flashes corresponds to the current value of parameter
Control Mode
(see
Special parameters
).
Step Pattern
Indication
1.
Green
•
•
number of flashes indicates the tens of the parameter value
2.
Red
•
•
number of flashes indicates the units of the parameter value
Examples:
·
for value 1 (control mode 'Analog input'), the green LED will flash 0 times and the red LED 1 time
·
for value 22 (control mode 'Valve Safe State'), the green and red LED will each flash 2 times
Changing control mode
·
By briefly pressing the switch 4 times with intervals of up to 1 second in normal operation mode, the instrument enters a
state in which the control mode can be changed.
·
This is done in 2 steps, each represented by a LED indication pattern (green or red; see table below).
·
The number of flashes corresponds to the available values of parameter
Control Mode
(see
Special parameters
).
·
At the start of each step, the according LEDs starts flashing fast (0.1 second on, 0.1 second off). By pressing and holding
the switch, the associated action is started and the flashing slows (05. seconds on, 0.5 seconds off).
Step Pattern
Maximum
flash
count
Action
1.
Green
•
•
2
set tens of parameter value
2.
Red
•
•
9
set units of parameter value
