Bronkhorst®
Instruction Manual MI Series Industrial mini CORI-FLOW™
9.17.120A
23
EtherCAT® and PROFINET instruments are equipped with a third LED, to indicate the status of the communication interface.
This bi-color LED (green and red) can give the following indications:
Pattern
Time
EtherCAT®
PROFINET
•
off
continuous
Power off or initializing
Interface not (yet) started
•
on, green
continuous
Normal operation
Normal operation, application relation
established with I/O controller
•
blinking,
green
0.2 sec on,
0.2 sec off
Pre-operational
Initializing
•
blinking, red
0.2 sec on,
0.2 sec off
Invalid state change
Link status OK, no application relation
with I/O controller
•
single flash,
red
0.2 sec on,
1 sec off
Invalid configuration
n/a
•
double flash,
red
0.2 sec on,
0.2 sec off,
0.2 sec on,
1 sec off
Communication timeout (e.g.
communication cable disconnected)
n/a
•
on, red
continuous
n/a
No link
3.7.2
Multifunctional switch
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.
3.7.2.1
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
Reset alarm
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)
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.
