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SPRIANO SST70 - Troubleshooting Common Issues

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OPERATING MANUAL
MN-SST70
ED-19-01
SPRIANO® TECHNOLOGIES - www.spriano.it spriano@terranova-instruments.com
a TERRANOVA® Srl brand - www.terranova-instruments.com - VAT IT07848810151
Factory & Sales: Via Gramsci 1 26827 Terranova dei Passerini (LO) Italy
Head Office: Via Rosso Medardo 16 20159 Milano Italy Ph: +39 0377 919119 Fax: +39 0377 855720
Pag.34/52
Condition
Potential
source
Solution
Erratic analog
output
Wrong span
limits
1) Verify that LRV and URV values are the ones you
want;
2) In the start-scale process condition, use OFFSET
command to correct the measure to zero;
3) In the full scale process condition, use SET S. URV
(set span URV) command to correct the URV value;
It is possible to correct only the analogical ouput, by
changing the LRV or URV values (alternatively editing SET
LRV and SET URV) to set the instrument measure at 4 mA
or 20 mA.
Uncalibrated
analog output
Use the LOOP TEST command to verify the analog output
calibration. If it is not correct, use the CAL4-20mA
command to calibrate the output.
Incorrect HART
®
settings
Use the ADDRESS command to verify that the polling
address is set to 0.
Analog output
<4mA o >20mA
Transmitter in
fault mode
Check if the output isn’t out of the allowed span or check
the presence of a failure (e1, e2, … on display).
Wrong fault
settings
Check the settings using the ALARM TYPE command.
Unstable
measure
Measuring
disturbs
Set an input average using the DAMP VALUE command (i.e.
10 seconds).
Impossible to
access the
menu
Wrong /
forgotten
password
Contact us for help

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