EB 6116 EN
19
Troubleshooting
8
Troubleshooting
Problem
Possible reasons
Corrective action to be
taken
Comments
No output
signal despite
changing the
input signal
Supply air not connected Check supply air connec-
tion. See section 3.3.
Incorrect terminal assign-
ment
C and – termi-
nals correctly. See sec-
tion 3.3.
NOTICE
i/p converter does not need
any extra voltage.
Incorrect input signal
Connect correct signal.
Read nameplate:
0 to 20 mA or 4 to 20 mA.
i/p converter
constantly vents
off air loudly
Connections for supply air
and output at the i/p con-
verter mixed up
Check pneumatic con-
nections. See sec-
tion 3.4.
i/p converter
does not reach
100 % output
e.g. 20 mA
input: output
only 70 %
instead of
100 %
Supply pressure too low
Supply air must be
0.4 bar greater than the
max. output signal.
Read nameplate: output 0.2 to
1 bar
→
Supply air at least
1.4 bar
Input signal faulty
Check whether the input
signal at the terminals
reaches 100 % (100 % is
e.g. 20 mA in standard
version and 12 mA for
split-range operation)
NOTICE
i/p converter has a load of
– max. 6 V (standard version)
– max. 7 V (Ex ia version)
Check specification concern-
ing permissible load at the
source of the input signal.
Содержание 6000 Series
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