Siemens SITRANS LUT400 Series - Discrete Inputs

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
97108
DC
Pos. Input for DI1
Pos. Input for DI2
Bias supply for Pos. DIs (ground to terminal 6)
Common Neg. for DIs
DISCRETE INPUTS
SYNC
11
6
1
2
97108
DC
Discrete Inputs used with internal bias supply
Note: terminals 6 and 7 must be connected together.
DISCRETE INPUTS
SYNC
11
6
1
2
97108
DC
Discrete Inputs used with external bias voltage