REGARD 8-Input 4-20 Module & 8-Channel Display Card (ATEX Version)
Issue 2. October 2011
29
Set zero drift band
Any measurement within the zero drift band will be displayed as zero. The drift band can
be set from 0.0 to 5.0% of FSD in 0.5% steps.
PRESS
DISPLAY
•
Select
command
10–2
R
DRIFT
Display shows current setting of head 1: e.g.
h1:0.0%
•
Select head to change.
Current setting shown
.
h2:2.5%
•
Select setting for head, e.g. 3%
h2:3.0%
•
Select next head to change.
Current setting shown
.
h3:0.0%
Repeat for other heads
•
Confirm selection and exit command
R
10–2:h4
Set under-range fault level
Enables a signal below 4mA to trip the fault alarm. The under-range fault level can be set
to 0.5mA to 3.5mA in 0.1mA steps, or set to OFF.
To ensure that a short circuit between 0V and the 4-20mA signal from the
transmitter indicates a fault, as required by EN 60079-29-1, do not set to OFF. For
three-wire transmitters set the fault level according to the table on p. 14.
PRESS
DISPLAY
•
Select
command
10–7
R
FLT U/R
Display shows current setting of head 1: e.g.
h1:2.0
•
Select head to change.
Current setting shown
.
h2:2.5
•
Select setting for head, e.g. 3mA
h2:3.0
•
Select next head to change.
Current setting shown
.
h3:2.0
Repeat for other heads
•
Confirm selection and exit command
R
10–7:h4
