Siemens SITRANS LUT400, Operating Instructions Manual

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Page 28 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS A5E33329501
mmmmm
Connecting
Discrete inputs
The SITRANS LUT400 has a 24V power bias (terminal 10) for use with the discrete inputs,
or the discrete inputs can be wired using external power.
DISCRETE INPUTS
SYNC
11 6
1 2
9 7 10 8
DC
Po
s. Input for DI1
Po
s. Input for
DI2
Bias supply
for P
os. DIs
(gr
oun
d to t
ermi
na
l 6)
Common Ne
g. for
DIs
DISCRETE INPUTS
SYNC
11 6
1 2
9 7 10 8
DC
Discrete Inputs used with internal bias supply
Note: terminals 6 and 7 must be connected together.
DISCRETE INPUTS
SYNC
11 6
1 2
9 7 10 8
DC
Discrete Inputs used with external bias voltage