Siemens SITRANS L Compact Operating Instructions page 108

Technical specifications
8.8 Communication
HART
Physical layer
Connections
Termination
Application
Device address
Data rate
Data bits
Parity
Byte order
Note
Replacing HART card
The HART long address is bound to the specific card installed. If this card is replaced the
master system will need to be updated.
Modbus RTU
Physical layer
Connections
Termination
Application
Device address
Data rate
Data bits
Parity
Byte order
108
Version: 7.5
HART Physical layer (2 wire half duplex, HART FSK)
See HART (Page 43)
Not applicable
General purpose
0 to 63 (Set via communication or HMI)
1.2 Kbps
Always 8
Odd parity, 1 stop bit
MSB
Version: V1.1B3
EIA-RS485 (2 wire half duplex)
See Modbus RTU (Page 45)
External 120R resistor across Fieldbus connections 35 and 36
General purpose
Set by Modbus or HMI range from 1 to 247
1.2 Kbps
2.4 Kbps
4.8 Kbps
9.6 Kbps
19.2 Kbps (default)
38.4 Kbps
57.6 Kbps
76.8 Kbps
115.2 Kbps
Always 8
Even parity, 1 stop bit (default)
Odd parity, 1 stop bit
No parity, 2 stop bits
No parity, 1 stop bit
Byte order adjustable via Modbus or HMI, default Big endian
Compact Operating Instructions, 02/2024, A5E52021877-AA
SITRANS LT500 with ultrasonic transducer inputs