5.1.7
Communications
The USB port and the 4 to 20 mA HART terminal block (terminal numbers 22, 23, and 24)
are located inside the enclosure of the device.
①
②
③
④
5.1.7.1
Connecting via USB
Typical USB configuration
①
②
SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
To Transducer
To other SIEMENS unit
USB cable connection
4 to 20 mA Hart connection
USB cable
Computer system
Connecting
5.1 Connecting SITRANS LUT400
41