Burkert Type 8741 - Manual (Page 24)

24
Operationandfunction
Type 8741
The control parameters are set so that changes in the setpoint are
effected as quickly as possible and without significant overshooting.
The measured value for the mass flow-rate is made available via the
fieldbus communication interface.
9.3 Device status leD
The MFM/MFC has an LED to display the instrument status, the colour
and status change according to NAMUR 107.
If more than one device status exists simultaneously, the device status
with the highest priority is displayed.
Short description:
A detailed description of the displayed device status and see
chapter "11.1 Display of the device status" on page 32
display in
accordance with
ne 107 description meaning
colour Red Fault Malfunction.
Device functionality is not guaranteed.
Orange Warning Ambient or process conditions for the
device are outside the permissible
ranges.
Potential damage to the device.
display in
accordance with
ne 107 description meaning
colour Yellow Outside
specification Ambient or process conditions for the
device are outside the permissible
ranges.
Datasheet values cannot be complied
with.
Blue Maintenance
required Device has detected a deviation while
running a diagnosis and made a cor-
rection.
Restricted device functionality.
Green Diagnostics
active Device functionality disabled.
Performing diagnostic functions.
White Normal
operation Device is operating within its
specifications.
status Lit Device is in
AUTOMATIC
operating
mode Device using standard setpoint for
control.
Blinking Device is in
MANUAL
operating
mode Manual setpoint default for the propor-
tional valve or
SETPOINT SOURCE
set to Manual setpoint.
English