16
INM9312-FB-ST-SS-1
Oct 2008
16
9 COMMISSIONING
AND
OPERATION
Before commissioning
Test the components for correct operation and installation in accordance with the operating instruc-
tions and other applicable specifications.
Check that cables and lines are clamped properly.
Inspect housing for damage.
Inspect housing for foreign bodies.
Check whether all unused cable glands and holes are sealed off properly.
The voltage on the trunk must be at least 16 V DC.
The voltage to the connected field devices must be at least 9 V DC.
Commissioning
Observe the national regulations when commissioning.
Follow the IEC 60079-17 when conducting function inspections.
LED indicators, functional description
PWR (green)
ERR (red)
S1 – S8 (yellow)
Description
OFF
–
–
Voltage on trunk <16V
ON
–
–
Voltage on trunk OK ( >16V )
–
OFF
OFF
Spur open-circuit ( I
≤
1mA )
–
OFF
ON
Spur current in range ( 3 – 40mA )
(field device connected)–
–
flashing
flashing
Spur
short-circuit
( Current 40 – 50mA )
–
ON
–
Internal fault in Fieldbus Barrier
Figure 15: LED indicators
